Merge branch 'master' into 22643-manual-job-page

* master: (68 commits)
  Last push event widget width for fixed layout
  Added 'admin' persona
  Docs: move article Artifactory + GL to subject-related folder
  Mention GitLab Pages when changing username
  Consolidate the docs when changing a repo path
  Add docs for automatic redirects when renaming namespaces
  move "Transfer an existing project into a group" to project docs
  Do not show Vue pagination if only one page
  Resolve "Decouple multi-file editor from file list"
  Update Ruby version to 2.3.6
  Skip projects filter on merge requests search
  Fall back to the `MergeRequestWidgetEntity`
  LDAP extern_uids are not normalized when updated via API
  organise content by subject
  Restore missing language code in datetime_utility.js
  Add support for defining explicit dependencies to QA factories
  Document mounting volumes with Docker-in-Docker
  add missing word to pawel-reduce_cardinality_of_prometheus_metrics.yml
  Use seconds where possible, and convert to milliseconds for Influxdb consumption
  update dispatcher to allow for dynamic imports until webpack plugin is updated
  ...

.gitlab-ci.yml

-image: "dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.3.5-golang-1.8-git-2.14-chrome-63.0-node-8.x-yarn-1.2-postgresql-9.6"
+image: "dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.3.6-golang-1.9-git-2.14-chrome-63.0-node-8.x-yarn-1.2-postgresql-9.6"
 
 .dedicated-runner: &dedicated-runner
   retry: 1

.ruby-version

-2.3.5
+2.3.6

app/assets/javascripts/api.js

 import $ from 'jquery';
+import axios from './lib/utils/axios_utils';
 
 const Api = {
   groupsPath: '/api/:version/groups.json',
@@ -6,6 +7,7 @@ const Api = {
   namespacesPath: '/api/:version/namespaces.json',
   groupProjectsPath: '/api/:version/groups/:id/projects.json',
   projectsPath: '/api/:version/projects.json',
+  projectPath: '/api/:version/projects/:id',
   projectLabelsPath: '/:namespace_path/:project_path/labels',
   groupLabelsPath: '/groups/:namespace_path/labels',
   licensePath: '/api/:version/templates/licenses/:key',
@@ -76,6 +78,14 @@ const Api = {
       .done(projects => callback(projects));
   },
 
+  // Return single project
+  project(projectPath) {
+    const url = Api.buildUrl(Api.projectPath)
+            .replace(':id', encodeURIComponent(projectPath));
+
+    return axios.get(url);
+  },
+
   newLabel(namespacePath, projectPath, data, callback) {
     let url;
 
@@ -115,7 +125,7 @@ const Api = {
   commitMultiple(id, data) {
     // see https://docs.gitlab.com/ce/api/commits.html#create-a-commit-with-multiple-files-and-actions
     const url = Api.buildUrl(Api.commitPath)
-      .replace(':id', id);
+      .replace(':id', encodeURIComponent(id));
     return this.wrapAjaxCall({
       url,
       type: 'POST',
@@ -127,7 +137,7 @@ const Api = {
 
   branchSingle(id, branch) {
     const url = Api.buildUrl(Api.branchSinglePath)
-      .replace(':id', id)
+      .replace(':id', encodeURIComponent(id))
       .replace(':branch', branch);
 
     return this.wrapAjaxCall({

app/assets/javascripts/dispatcher.js

@@ -73,7 +73,6 @@ import initLegacyFilters from './init_legacy_filters';
 import initIssuableSidebar from './init_issuable_sidebar';
 import initProjectVisibilitySelector from './project_visibility';
 import GpgBadges from './gpg_badges';
-import UserFeatureHelper from './helpers/user_feature_helper';
 import initChangesDropdown from './init_changes_dropdown';
 import NewGroupChild from './groups/new_group_child';
 import AbuseReports from './abuse_reports';
@@ -111,6 +110,8 @@ import Activities from './activities';
         return false;
       }
 
+      const fail = () => Flash('Error loading dynamic module');
+
       path = page.split(':');
       shortcut_handler = null;
 
@@ -447,9 +448,6 @@ import Activities from './activities';
           break;
         case 'projects:tree:show':
           shortcut_handler = new ShortcutsNavigation();
-
-          if (UserFeatureHelper.isNewRepoEnabled()) break;
-
           new TreeView();
           new BlobViewer();
           new NewCommitForm($('.js-create-dir-form'));
@@ -468,7 +466,6 @@ import Activities from './activities';
           shortcut_handler = true;
           break;
         case 'projects:blob:show':
-          if (UserFeatureHelper.isNewRepoEnabled()) break;
           new BlobViewer();
           initBlob();
           break;
@@ -545,7 +542,7 @@ import Activities from './activities';
           new CILintEditor();
           break;
         case 'users:show':
-          new UserCallout();
+          import('./pages/users/show').then(m => m.default()).catch(fail);
           break;
         case 'admin:conversational_development_index:show':
           new UserCallout();

app/assets/javascripts/fly_out_nav.js

@@ -161,13 +161,16 @@ export default () => {
 
   const items = [...sidebar.querySelectorAll('.sidebar-top-level-items > li')];
 
-  sidebar.querySelector('.sidebar-top-level-items').addEventListener('mouseleave', () => {
-    clearTimeout(timeoutId);
-
-    timeoutId = setTimeout(() => {
-      if (currentOpenMenu) hideMenu(currentOpenMenu);
-    }, getHideSubItemsInterval());
-  });
+  const topItems = sidebar.querySelector('.sidebar-top-level-items');
+  if (topItems) {
+    sidebar.querySelector('.sidebar-top-level-items').addEventListener('mouseleave', () => {
+      clearTimeout(timeoutId);
+
+      timeoutId = setTimeout(() => {
+        if (currentOpenMenu) hideMenu(currentOpenMenu);
+      }, getHideSubItemsInterval());
+    });
+  }
 
   headerHeight = document.querySelector('.nav-sidebar').offsetTop;
 

app/assets/javascripts/graphs/stat_graph_contributors.js

@@ -84,9 +84,12 @@ export default (function() {
     return _.each(author_commits, (function(_this) {
       return function(d) {
         _this.redraw_author_commit_info(d);
-        $(_this.authors[d.author_name].list_item).appendTo("ol");
-        _this.authors[d.author_name].set_data(d.dates);
-        return _this.authors[d.author_name].redraw();
+        if (_this.authors[d.author_name] != null) {
+          $(_this.authors[d.author_name].list_item).appendTo("ol");
+          _this.authors[d.author_name].set_data(d.dates);
+          return _this.authors[d.author_name].redraw();
+        }
+        return '';
       };
     })(this));
   };
@@ -108,10 +111,14 @@ export default (function() {
   };
 
   ContributorsStatGraph.prototype.redraw_author_commit_info = function(author) {
-    var author_commit_info, author_list_item;
-    author_list_item = $(this.authors[author.author_name].list_item);
-    author_commit_info = this.format_author_commit_info(author);
-    return author_list_item.find("span").html(author_commit_info);
+    var author_commit_info, author_list_item, $author;
+    $author = this.authors[author.author_name];
+    if ($author != null) {
+      author_list_item = $(this.authors[author.author_name].list_item);
+      author_commit_info = this.format_author_commit_info(author);
+      return author_list_item.find("span").html(author_commit_info);
+    }
+    return '';
   };
 
   return ContributorsStatGraph;

app/assets/javascripts/graphs/stat_graph_contributors_graph.js

 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, max-len, no-restricted-syntax, vars-on-top, no-use-before-define, no-param-reassign, new-cap, no-underscore-dangle, wrap-iife, comma-dangle, no-return-assign, prefer-arrow-callback, quotes, prefer-template, newline-per-chained-call, no-else-return, no-shadow */
 import _ from 'underscore';
-import d3 from 'd3';
+import { extent, max } from 'd3-array';
+import { select, event as d3Event } from 'd3-selection';
+import { scaleTime, scaleLinear } from 'd3-scale';
+import { axisLeft, axisBottom } from 'd3-axis';
+import { area } from 'd3-shape';
+import { brushX } from 'd3-brush';
+import { timeParse } from 'd3-time-format';
 import { dateTickFormat } from '../lib/utils/tick_formats';
 
+const d3 = { extent, max, select, scaleTime, scaleLinear, axisLeft, axisBottom, area, brushX, timeParse };
+
 const extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
 const hasProp = {}.hasOwnProperty;
 
@@ -71,8 +79,8 @@ export const ContributorsGraph = (function() {
   };
 
   ContributorsGraph.prototype.create_scale = function(width, height) {
-    this.x = d3.time.scale().range([0, width]).clamp(true);
-    return this.y = d3.scale.linear().range([height, 0]).nice();
+    this.x = d3.scaleTime().range([0, width]).clamp(true);
+    return this.y = d3.scaleLinear().range([height, 0]).nice();
   };
 
   ContributorsGraph.prototype.draw_x_axis = function() {
@@ -124,7 +132,7 @@ export const ContributorsMasterGraph = (function(superClass) {
 
   ContributorsMasterGraph.prototype.parse_dates = function(data) {
     var parseDate;
-    parseDate = d3.time.format("%Y-%m-%d").parse;
+    parseDate = d3.timeParse("%Y-%m-%d");
     return data.forEach(function(d) {
       return d.date = parseDate(d.date);
     });
@@ -135,11 +143,10 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.create_axes = function() {
-    this.x_axis = d3.svg.axis()
+    this.x_axis = d3.axisBottom()
       .scale(this.x)
-      .orient('bottom')
       .tickFormat(dateTickFormat);
-    return this.y_axis = d3.svg.axis().scale(this.y).orient("left").ticks(5);
+    return this.y_axis = d3.axisLeft().scale(this.y).ticks(5);
   };
 
   ContributorsMasterGraph.prototype.create_svg = function() {
@@ -147,16 +154,16 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.create_area = function(x, y) {
-    return this.area = d3.svg.area().x(function(d) {
+    return this.area = d3.area().x(function(d) {
       return x(d.date);
     }).y0(this.height).y1(function(d) {
       d.commits = d.commits || d.additions || d.deletions;
       return y(d.commits);
-    }).interpolate("basis");
+    });
   };
 
   ContributorsMasterGraph.prototype.create_brush = function() {
-    return this.brush = d3.svg.brush().x(this.x).on("brushend", this.update_content);
+    return this.brush = d3.brushX(this.x).extent([[this.x.range()[0], 0], [this.x.range()[1], this.height]]).on("end", this.update_content);
   };
 
   ContributorsMasterGraph.prototype.draw_path = function(data) {
@@ -168,7 +175,12 @@ export const ContributorsMasterGraph = (function(superClass) {
   };
 
   ContributorsMasterGraph.prototype.update_content = function() {
-    ContributorsGraph.set_x_domain(this.brush.empty() ? this.x_max_domain : this.brush.extent());
+    // d3Event.selection replaces the function brush.empty() calls
+    if (d3Event.selection != null) {
+      ContributorsGraph.set_x_domain(d3Event.selection.map(this.x.invert));
+    } else {
+      ContributorsGraph.set_x_domain(this.x_max_domain);
+    }
     return $("#brush_change").trigger('change');
   };
 
@@ -226,18 +238,17 @@ export const ContributorsAuthorGraph = (function(superClass) {
   };
 
   ContributorsAuthorGraph.prototype.create_axes = function() {
-    this.x_axis = d3.svg.axis()
+    this.x_axis = d3.axisBottom()
       .scale(this.x)
-      .orient('bottom')
       .ticks(8)
       .tickFormat(dateTickFormat);
-    return this.y_axis = d3.svg.axis().scale(this.y).orient("left").ticks(5);
+    return this.y_axis = d3.axisLeft().scale(this.y).ticks(5);
   };
 
   ContributorsAuthorGraph.prototype.create_area = function(x, y) {
-    return this.area = d3.svg.area().x(function(d) {
+    return this.area = d3.area().x(function(d) {
       var parseDate;
-      parseDate = d3.time.format("%Y-%m-%d").parse;
+      parseDate = d3.timeParse("%Y-%m-%d");
       return x(parseDate(d));
     }).y0(this.height).y1((function(_this) {
       return function(d) {
@@ -247,11 +258,12 @@ export const ContributorsAuthorGraph = (function(superClass) {
           return y(0);
         }
       };
-    })(this)).interpolate("basis");
+    })(this));
   };
 
   ContributorsAuthorGraph.prototype.create_svg = function() {
-    this.list_item = d3.selectAll(".person")[0].pop();
+    var persons = document.querySelectorAll('.person');
+    this.list_item = persons[persons.length - 1];
     return this.svg = d3.select(this.list_item).append("svg").attr("width", this.width + this.MARGIN.left + this.MARGIN.right).attr("height", this.height + this.MARGIN.top + this.MARGIN.bottom).attr("class", "spark").append("g").attr("transform", "translate(" + this.MARGIN.left + "," + this.MARGIN.top + ")");
   };
 

app/assets/javascripts/helpers/user_feature_helper.js

-import Cookies from 'js-cookie';
-
-export default {
-  isNewRepoEnabled() {
-    return Cookies.get('new_repo') === 'true';
-  },
-};

app/assets/javascripts/repo/components/commit_sidebar/list.vue → app/assets/javascripts/ide/components/commit_sidebar/list.vue

 <script>
+  import { mapState } from 'vuex';
   import icon from '../../../vue_shared/components/icon.vue';
   import listItem from './list_item.vue';
   import listCollapsed from './list_collapsed.vue';
@@ -18,72 +19,48 @@
         type: Array,
         required: true,
       },
-      collapsed: {
-        type: Boolean,
-        required: true,
-      },
+    },
+    computed: {
+      ...mapState([
+        'currentProjectId',
+        'currentBranchId',
+        'rightPanelCollapsed',
+      ]),
     },
     methods: {
       toggleCollapsed() {
         this.$emit('toggleCollapsed');
       },
     },
+
   };
 </script>
 
 <template>
-  <div class="multi-file-commit-panel-section">
-    <header
-      class="multi-file-commit-panel-header"
-      :class="{
-        'is-collapsed': collapsed,
-      }"
-    >
-      <icon
-        name="list-bulleted"
-        :size="18"
-        css-classes="append-right-default"
-      />
-      <template v-if="!collapsed">
-        {{ title }}
-        <button
-          type="button"
-          class="btn btn-transparent multi-file-commit-panel-collapse-btn"
-          @click="toggleCollapsed"
-        >
-          <i
-            aria-hidden="true"
-            class="fa fa-angle-double-right"
-          >
-          </i>
-        </button>
-      </template>
-    </header>
-    <div class="multi-file-commit-list">
-      <list-collapsed
-        v-if="collapsed"
-      />
-      <template v-else>
-        <ul
-          v-if="fileList.length"
-          class="list-unstyled append-bottom-0"
-        >
-          <li
-            v-for="file in fileList"
-            :key="file.key"
-          >
-            <list-item
-              :file="file"
-            />
-          </li>
-        </ul>
-        <div
-          v-else
-          class="help-block prepend-top-0"
+  <div class="multi-file-commit-list">
+    <list-collapsed
+      v-if="rightPanelCollapsed"
+    />
+    <template v-else>
+      <ul
+        v-if="fileList.length"
+        class="list-unstyled append-bottom-0"
+      >
+        <li
+          v-for="file in fileList"
+          :key="file.key"
         >
-          No changes
-        </div>
-      </template>
-    </div>
+          <list-item
+            :file="file"
+          />
+        </li>
+      </ul>
+      <div
+        v-else
+        class="help-block prepend-top-0"
+      >
+        No changes
+      </div>
+    </template>
   </div>
 </template>

app/assets/javascripts/repo/components/repo.vue → app/assets/javascripts/ide/components/ide.vue

 <script>
 import { mapState, mapGetters } from 'vuex';
-import RepoSidebar from './repo_sidebar.vue';
-import RepoCommitSection from './repo_commit_section.vue';
-import RepoTabs from './repo_tabs.vue';
-import RepoFileButtons from './repo_file_buttons.vue';
-import RepoPreview from './repo_preview.vue';
+import ideSidebar from './ide_side_bar.vue';
+import ideContextbar from './ide_context_bar.vue';
+import repoTabs from './repo_tabs.vue';
+import repoFileButtons from './repo_file_buttons.vue';
+import ideStatusBar from './ide_status_bar.vue';
+import repoPreview from './repo_preview.vue';
 import repoEditor from './repo_editor.vue';
 
 export default {
   computed: {
     ...mapState([
       'currentBlobView',
+      'selectedFile',
     ]),
     ...mapGetters([
-      'isCollapsed',
       'changedFiles',
+      'activeFile',
     ]),
   },
   components: {
-    RepoSidebar,
-    RepoTabs,
-    RepoFileButtons,
+    ideSidebar,
+    ideContextbar,
+    repoTabs,
+    repoFileButtons,
+    ideStatusBar,
     repoEditor,
-    RepoCommitSection,
-    RepoPreview,
+    repoPreview,
   },
   mounted() {
     const returnValue = 'Are you sure you want to lose unsaved changes?';
@@ -40,24 +43,31 @@ export default {
 </script>
 
 <template>
-  <div
-    class="multi-file"
-    :class="{
-      'is-collapsed': isCollapsed
-    }"
+  <div 
+    class="ide-view"
   >
-    <repo-sidebar/>
+    <ide-sidebar/>
     <div
-      v-if="isCollapsed"
       class="multi-file-edit-pane"
     >
-      <repo-tabs />
-      <component
-        class="multi-file-edit-pane-content"
-        :is="currentBlobView"
-      />
-      <repo-file-buttons />
+      <template
+        v-if="activeFile">
+        <repo-tabs/>
+        <component
+          class="multi-file-edit-pane-content"
+          :is="currentBlobView"
+        />
+        <repo-file-buttons/>
+        <ide-status-bar
+          :file="selectedFile"/>
+      </template>
+      <template
+        v-else>
+        <div class="ide-empty-state">
+          <h2 class="clgray">Welcome to the GitLab IDE</h2>
+        </div>
+      </template>
     </div>
-    <repo-commit-section />
+    <ide-contextbar/>
   </div>
 </template>

app/assets/javascripts/ide/components/ide_context_bar.vue

+<script>
+import { mapGetters, mapState, mapActions } from 'vuex';
+import repoCommitSection from './repo_commit_section.vue';
+import icon from '../../vue_shared/components/icon.vue';
+
+export default {
+  components: {
+    repoCommitSection,
+    icon,
+  },
+  computed: {
+    ...mapState([
+      'rightPanelCollapsed',
+    ]),
+    ...mapGetters([
+      'changedFiles',
+    ]),
+    currentIcon() {
+      return this.rightPanelCollapsed ? 'angle-double-left' : 'angle-double-right';
+    },
+  },
+  methods: {
+    ...mapActions([
+      'setPanelCollapsedStatus',
+    ]),
+    toggleCollapsed() {
+      this.setPanelCollapsedStatus({
+        side: 'right',
+        collapsed: !this.rightPanelCollapsed,
+      });
+    },
+  },
+};
+</script>
+
+<template>
+  <div
+    class="multi-file-commit-panel"
+    :class="{
+      'is-collapsed': rightPanelCollapsed,
+    }"
+  >
+    <div 
+      class="multi-file-commit-panel-section">
+      <header
+        class="multi-file-commit-panel-header"
+        :class="{
+            'is-collapsed': rightPanelCollapsed,
+          }"
+        >
+        <div
+          class="multi-file-commit-panel-header-title"
+          v-if="!rightPanelCollapsed">
+          <icon
+            name="list-bulleted"
+            :size="18"
+          />
+          Staged
+        </div>
+        <button
+          type="button"
+          class="btn btn-transparent multi-file-commit-panel-collapse-btn"
+          @click="toggleCollapsed"
+        >
+          <icon
+            :name="currentIcon"
+            :size="18"
+          />
+        </button>
+      </header>
+      <repo-commit-section 
+        class=""/>
+    </div>
+  </div>
+</template>

app/assets/javascripts/ide/components/ide_project_branches_tree.vue

+<script>
+import repoTree from './ide_repo_tree.vue';
+import icon from '../../vue_shared/components/icon.vue';
+import newDropdown from './new_dropdown/index.vue';
+
+export default {
+  components: {
+    repoTree,
+    icon,
+    newDropdown,
+  },
+  props: {
+    projectId: {
+      type: String,
+      required: true,
+    },
+    branch: {
+      type: Object,
+      required: true,
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="branch-container">
+    <div class="branch-header">
+      <div class="branch-header-title">
+        <icon
+          name="branch"
+          :size="12">
+        </icon>
+        {{ branch.name }}
+      </div>
+      <div class="branch-header-btns">
+        <new-dropdown
+          :project-id="projectId"
+          :branch="branch.name"
+          path=""/>
+      </div>
+    </div>
+    <div>
+      <repo-tree
+        :treeId="branch.treeId"/>
+    </div>
+  </div>
+</template>

app/assets/javascripts/ide/components/ide_project_tree.vue

+<script>
+import branchesTree from './ide_project_branches_tree.vue';
+import projectAvatarImage from '../../vue_shared/components/project_avatar/image.vue';
+
+export default {
+  components: {
+    branchesTree,
+    projectAvatarImage,
+  },
+  props: {
+    project: {
+      type: Object,
+      required: true,
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="projects-sidebar">
+    <div class="context-header">
+      <a 
+        :title="project.name" 
+        :href="project.web_url">
+        <div class="avatar-container s40 project-avatar">
+          <project-avatar-image
+            class="avatar-container project-avatar"
+            :link-href="project.path"
+            :img-src="project.avatar_url"
+            :img-alt="project.name"
+            :img-size="40"
+            />
+        </div>
+        <div class="sidebar-context-title">
+          {{ project.name }}
+        </div>
+      </a>
+    </div>
+    <div class="multi-file-commit-panel-inner-scroll">
+      <branches-tree
+        v-for="(branch, index) in project.branches"
+        :key="branch.name"
+        :project-id="project.path_with_namespace"
+        :branch="branch"/>
+    </div>
+  </div>
+</template>

app/assets/javascripts/repo/components/repo_sidebar.vue → app/assets/javascripts/ide/components/ide_repo_tree.vue

 <script>
-import { mapState, mapGetters, mapActions } from 'vuex';
+import { mapState } from 'vuex';
 import RepoPreviousDirectory from './repo_prev_directory.vue';
 import RepoFile from './repo_file.vue';
 import RepoLoadingFile from './repo_loading_file.vue';
+import { treeList } from '../stores/utils';
 
 export default {
   components: {
@@ -10,14 +11,11 @@ export default {
     'repo-file': RepoFile,
     'repo-loading-file': RepoLoadingFile,
   },
-  created() {
-    window.addEventListener('popstate', this.popHistoryState);
-  },
-  destroyed() {
-    window.removeEventListener('popstate', this.popHistoryState);
-  },
-  mounted() {
-    this.getTreeData();
+  props: {
+    treeId: {
+      type: String,
+      required: true,
+    },
   },
   computed: {
     ...mapState([
@@ -29,57 +27,40 @@ export default {
         return state.project.name;
       },
     }),
-    ...mapGetters([
-      'treeList',
-      'isCollapsed',
-    ]),
-  },
-  methods: {
-    ...mapActions([
-      'getTreeData',
-      'popHistoryState',
-    ]),
+    fetchedList() {
+      return treeList(this.$store.state, this.treeId);
+    },
+    hasPreviousDirectory() {
+      return !this.isRoot && this.fetchedList.length;
+    },
+    showLoading() {
+      return this.loading;
+    },
   },
 };
 </script>
 
 <template>
-<div class="ide-file-list">
-  <table class="table">
-    <thead>
-      <tr>
-        <th
-          v-if="isCollapsed"
-        >
-        </th>
-        <template v-else>
-          <th class="name multi-file-table-name">
-            Name
-          </th>
-          <th class="hidden-sm hidden-xs last-commit">
-            Last commit
-          </th>
-          <th class="hidden-xs last-update text-right">
-            Last update
-          </th>
-        </template>
-      </tr>
-    </thead>
-    <tbody>
-      <repo-previous-directory
-        v-if="!isRoot && treeList.length"
-      />
-      <repo-loading-file
-        v-if="!treeList.length && loading"
-        v-for="n in 5"
-        :key="n"
-      />
-      <repo-file
-        v-for="file in treeList"
-        :key="file.key"
-        :file="file"
-      />
-    </tbody>
-  </table>
+<div>
+  <div class="ide-file-list">
+    <table class="table">
+      <tbody
+        v-if="treeId">
+        <repo-previous-directory
+          v-if="hasPreviousDirectory"
+        />
+        <repo-loading-file
+          v-if="showLoading"
+          v-for="n in 5"
+          :key="n"
+        />
+        <repo-file
+          v-for="file in fetchedList"
+          :key="file.key"
+          :file="file"
+        />
+      </tbody>
+    </table>
+  </div>
 </div>
 </template>

app/assets/javascripts/ide/components/ide_side_bar.vue

+<script>
+import { mapState, mapActions } from 'vuex';
+import projectTree from './ide_project_tree.vue';
+import icon from '../../vue_shared/components/icon.vue';
+
+export default {
+  components: {
+    projectTree,
+    icon,
+  },
+  computed: {
+    ...mapState([
+      'projects',
+      'leftPanelCollapsed',
+    ]),
+    currentIcon() {
+      return this.leftPanelCollapsed ? 'angle-double-right' : 'angle-double-left';
+    },
+  },
+  methods: {
+    ...mapActions([
+      'setPanelCollapsedStatus',
+    ]),
+    toggleCollapsed() {
+      this.setPanelCollapsedStatus({
+        side: 'left',
+        collapsed: !this.leftPanelCollapsed,
+      });
+    },
+  },
+};
+</script>
+
+<template>
+  <div
+      class="multi-file-commit-panel"
+      :class="{
+        'is-collapsed': leftPanelCollapsed,
+      }"
+    >
+    <div class="multi-file-commit-panel-inner">
+      <project-tree
+        v-for="(project, index) in projects"
+        :key="project.id"
+        :project="project"/>
+    </div>
+    <button
+      type="button"
+      class="btn btn-transparent left-collapse-btn"
+      @click="toggleCollapsed"
+    >
+      <icon
+        :name="currentIcon"
+        :size="18"
+      />
+      <span
+        v-if="!leftPanelCollapsed"
+        class="collapse-text"
+      >Collapse sidebar</span>
+    </button>
+  </div>
+</template>

app/assets/javascripts/ide/components/ide_status_bar.vue

+<script>
+import { mapState } from 'vuex';
+import icon from '../../vue_shared/components/icon.vue';
+import tooltip from '../../vue_shared/directives/tooltip';
+import timeAgoMixin from '../../vue_shared/mixins/timeago';
+
+export default {
+  props: {
+    file: {
+      type: Object,
+      required: true,
+    },
+  },
+  components: {
+    icon,
+  },
+  directives: {
+    tooltip,
+  },
+  mixins: [
+    timeAgoMixin,
+  ],
+  computed: {
+    ...mapState([
+      'selectedFile',
+    ]),
+  },
+};
+</script>
+
+<template>
+  <div
+    class="ide-status-bar">
+    <div>
+      <icon
+        name="branch"
+        :size="12">
+      </icon>
+      {{ selectedFile.branchId }}
+    </div>
+    <div>
+      <div
+        v-if="selectedFile.lastCommit && selectedFile.lastCommit.id">
+        Last commit:
+        <a
+          v-tooltip
+          :title="selectedFile.lastCommit.message"
+          :href="selectedFile.lastCommit.url">
+          {{ timeFormated(selectedFile.lastCommit.updatedAt) }} by 
+          {{ selectedFile.lastCommit.author }}
+        </a>
+      </div>      
+    </div>
+    <div
+      class="text-right">
+      {{ selectedFile.name }}
+    </div>
+    <div 
+      class="text-right">
+      {{ selectedFile.eol }}
+    </div>
+    <div 
+      class="text-right">
+      {{ file.editorRow }}:{{ file.editorColumn }}
+    </div>
+    <div 
+      class="text-right">
+      {{ selectedFile.fileLanguage }}
+    </div>
+  </div>
+</template>

app/assets/javascripts/repo/components/new_branch_form.vue → app/assets/javascripts/ide/components/new_branch_form.vue

@@ -44,7 +44,7 @@
             this.branchName = '';
 
             if (this.dropdownText) {
-              this.dropdownText.textContent = this.currentBranch;
+              this.dropdownText.textContent = this.currentBranchId;
             }
 
             this.toggleDropdown();

app/assets/javascripts/repo/components/new_dropdown/index.vue → app/assets/javascripts/ide/components/new_dropdown/index.vue

 <script>
-  import { mapState } from 'vuex';
   import newModal from './modal.vue';
   import upload from './upload.vue';
   import icon from '../../../vue_shared/components/icon.vue';
 
   export default {
+    props: {
+      branch: {
+        type: String,
+        required: true,
+      },
+      path: {
+        type: String,
+        required: true,
+      },
+      parent: {
+        type: Object,
+        default: null,
+      },
+    },
     components: {
       icon,
       newModal,
@@ -16,11 +29,6 @@
         modalType: '',
       };
     },
-    computed: {
-      ...mapState([
-        'path',
-      ]),
-    },
     methods: {
       createNewItem(type) {
         this.modalType = type;
@@ -34,55 +42,59 @@
 </script>
 
 <template>
-  <div>
-    <ul class="breadcrumb repo-breadcrumb">
-      <li class="dropdown">
-        <button
-          type="button"
-          class="btn btn-default dropdown-toggle add-to-tree"
-          data-toggle="dropdown"
-          aria-label="Create new file or directory"
-        >
-          <icon
-            name="plus"
-            css-classes="pull-left"
-          />
-          <icon
-            name="arrow-down"
-            css-classes="pull-left"
+  <div class="repo-new-btn pull-right">
+    <div class="dropdown">
+      <button
+        type="button"
+        class="btn btn-sm btn-default dropdown-toggle add-to-tree"
+        data-toggle="dropdown"
+        aria-label="Create new file or directory"
+      >
+        <icon
+          name="plus"
+          :size="12"
+          css-classes="pull-left"
+        />
+        <icon
+          name="arrow-down"
+          :size="12"
+          css-classes="pull-left"
+        />
+      </button>
+      <ul class="dropdown-menu dropdown-menu-right">
+        <li>
+          <a
+            href="#"
+            role="button"
+            @click.prevent="createNewItem('blob')"
+          >
+            {{ __('New file') }}
+          </a>
+        </li>
+        <li>
+          <upload
+            :branch-id="branch"
+            :path="path"
+            :parent="parent"
           />
-        </button>
-        <ul class="dropdown-menu">
-          <li>
-            <a
-              href="#"
-              role="button"
-              @click.prevent="createNewItem('blob')"
-            >
-              {{ __('New file') }}
-            </a>
-          </li>
-          <li>
-            <upload
-              :path="path"
-            />
-          </li>
-          <li>
-            <a
-              href="#"
-              role="button"
-              @click.prevent="createNewItem('tree')"
-            >
-              {{ __('New directory') }}
-            </a>
-          </li>
-        </ul>
-      </li>
-    </ul>
+        </li>
+        <li>
+          <a
+            href="#"
+            role="button"
+            @click.prevent="createNewItem('tree')"
+          >
+            {{ __('New directory') }}
+          </a>
+        </li>
+      </ul>
+    </div>
     <new-modal
       v-if="openModal"
       :type="modalType"
+      :branch-id="branch"
       :path="path"
+      :parent="parent"
       @toggle="toggleModalOpen"
     />
   </div>

app/assets/javascripts/repo/components/new_dropdown/modal.vue → app/assets/javascripts/ide/components/new_dropdown/modal.vue

 <script>
-  import { mapActions } from 'vuex';
+  import { mapActions, mapState } from 'vuex';
   import { __ } from '../../../locale';
   import modal from '../../../vue_shared/components/modal.vue';
 
   export default {
     props: {
+      branchId: {
+        type: String,
+        required: true,
+      },
+      parent: {
+        type: Object,
+        default: null,
+      },
       type: {
         type: String,
         required: true,
@@ -28,6 +36,9 @@
       ]),
       createEntryInStore() {
         this.createTempEntry({
+          projectId: this.currentProjectId,
+          branchId: this.branchId,
+          parent: this.parent,
           name: this.entryName.replace(new RegExp(`^${this.path}/`), ''),
           type: this.type,
         });
@@ -39,6 +50,9 @@
       },
     },
     computed: {
+      ...mapState([
+        'currentProjectId',
+      ]),
       modalTitle() {
         if (this.type === 'tree') {
           return __('Create new directory');

app/assets/javascripts/repo/components/new_dropdown/upload.vue → app/assets/javascripts/ide/components/new_dropdown/upload.vue

 <script>
-  import { mapActions } from 'vuex';
+  import { mapActions, mapState } from 'vuex';
 
   export default {
     props: {
-      path: {
+      branchId: {
         type: String,
         required: true,
       },
+      parent: {
+        type: Object,
+        default: null,
+      },
+    },
+    computed: {
+      ...mapState([
+        'trees',
+        'currentProjectId',
+      ]),
     },
     methods: {
       ...mapActions([
@@ -22,6 +32,9 @@
 
         this.createTempEntry({
           name,
+          projectId: this.currentProjectId,
+          branchId: this.branchId,
+          parent: this.parent,
           type: 'blob',
           content: result,
           base64: !isText,
@@ -42,6 +55,9 @@
       openFile() {
         Array.from(this.$refs.fileUpload.files).forEach(file => this.readFile(file));
       },
+      startFileUpload() {
+        this.$refs.fileUpload.click();
+      },
     },
     mounted() {
       this.$refs.fileUpload.addEventListener('change', this.openFile);
@@ -53,16 +69,19 @@
 </script>
 
 <template>
-  <label
-    role="button"
-    class="menu-item"
-  >
-    {{ __('Upload file') }}
+  <div>
+    <a
+      href="#"
+      role="button"
+      @click.prevent="startFileUpload"
+    >
+      {{ __('Upload file') }}
+    </a>
     <input
       id="file-upload"
       type="file"
       class="hidden"
       ref="fileUpload"
     />
-  </label>
+  </div>
 </template>

app/assets/javascripts/repo/components/repo_commit_section.vue → app/assets/javascripts/ide/components/repo_commit_section.vue

@@ -20,12 +20,13 @@ export default {
       submitCommitsLoading: false,
       startNewMR: false,
       commitMessage: '',
-      collapsed: true,
     };
   },
   computed: {
     ...mapState([
-      'currentBranch',
+      'currentProjectId',
+      'currentBranchId',
+      'rightPanelCollapsed',
     ]),
     ...mapGetters([
       'changedFiles',
@@ -42,12 +43,13 @@ export default {
       'checkCommitStatus',
       'commitChanges',
       'getTreeData',
+      'setPanelCollapsedStatus',
     ]),
     makeCommit(newBranch = false) {
       const createNewBranch = newBranch || this.startNewMR;
 
       const payload = {
-        branch: createNewBranch ? `${this.currentBranch}-${new Date().getTime().toString()}` : this.currentBranch,
+        branch: createNewBranch ? `${this.currentBranchId}-${new Date().getTime().toString()}` : this.currentBranchId,
         commit_message: this.commitMessage,
         actions: this.changedFiles.map(f => ({
           action: f.tempFile ? 'create' : 'update',
@@ -55,7 +57,7 @@ export default {
           content: f.content,
           encoding: f.base64 ? 'base64' : 'text',
         })),
-        start_branch: createNewBranch ? this.currentBranch : undefined,
+        start_branch: createNewBranch ? this.currentBranchId : undefined,
       };
 
       this.showNewBranchModal = false;
@@ -64,7 +66,12 @@ export default {
       this.commitChanges({ payload, newMr: this.startNewMR })
         .then(() => {
           this.submitCommitsLoading = false;
-          this.getTreeData();
+          this.$store.dispatch('getTreeData', {
+            projectId: this.currentProjectId,
+            branch: this.currentBranchId,
+            endpoint: `/tree/${this.currentBranchId}`,
+            force: true,
+          });
         })
         .catch(() => {
           this.submitCommitsLoading = false;
@@ -86,19 +93,17 @@ export default {
         });
     },
     toggleCollapsed() {
-      this.collapsed = !this.collapsed;
+      this.setPanelCollapsedStatus({
+        side: 'right',
+        collapsed: !this.rightPanelCollapsed,
+      });
     },
   },
 };
 </script>
 
 <template>
-<div
-  class="multi-file-commit-panel"
-  :class="{
-    'is-collapsed': collapsed,
-  }"
->
+<div class="multi-file-commit-panel-section">
   <modal
     v-if="showNewBranchModal"
     :primary-button-label="__('Create new branch')"
@@ -108,28 +113,16 @@ export default {
     @toggle="showNewBranchModal = false"
     @submit="makeCommit(true)"
   />
-  <button
-    v-if="collapsed"
-    type="button"
-    class="btn btn-transparent multi-file-commit-panel-collapse-btn is-collapsed prepend-top-10 append-bottom-10"
-    @click="toggleCollapsed"
-  >
-    <i
-      aria-hidden="true"
-      class="fa fa-angle-double-left"
-    >
-    </i>
-  </button>
   <commit-files-list
     title="Staged"
     :file-list="changedFiles"
-    :collapsed="collapsed"
+    :collapsed="rightPanelCollapsed"
     @toggleCollapsed="toggleCollapsed"
   />
   <form
     class="form-horizontal multi-file-commit-form"
     @submit.prevent="tryCommit"
-    v-if="!collapsed"
+    v-if="!rightPanelCollapsed"
   >
     <div class="multi-file-commit-fieldset">
       <textarea

app/assets/javascripts/repo/components/repo_editor.vue → app/assets/javascripts/ide/components/repo_editor.vue

 <script>
 /* global monaco */
-import { mapGetters, mapActions } from 'vuex';
+import { mapState, mapGetters, mapActions } from 'vuex';
 import flash from '../../flash';
 import monacoLoader from '../monaco_loader';
 import Editor from '../lib/editor';
@@ -24,6 +24,9 @@ export default {
     ...mapActions([
       'getRawFileData',
       'changeFileContent',
+      'setFileLanguage',
+      'setEditorPosition',
+      'setFileEOL',
     ]),
     initMonaco() {
       if (this.shouldHideEditor) return;
@@ -43,12 +46,36 @@ export default {
       const model = this.editor.createModel(this.activeFile);
 
       this.editor.attachModel(model);
+
       model.onChange((m) => {
         this.changeFileContent({
           file: this.activeFile,
           content: m.getValue(),
         });
       });
+
+      // Handle Cursor Position
+      this.editor.onPositionChange((instance, e) => {
+        this.setEditorPosition({
+          editorRow: e.position.lineNumber,
+          editorColumn: e.position.column,
+        });
+      });
+
+      this.editor.setPosition({
+        lineNumber: this.activeFile.editorRow,
+        column: this.activeFile.editorColumn,
+      });
+
+      // Handle File Language
+      this.setFileLanguage({
+        fileLanguage: model.language,
+      });
+
+      // Get File eol
+      this.setFileEOL({
+        eol: model.eol,
+      });
     },
   },
   watch: {
@@ -57,12 +84,22 @@ export default {
         this.initMonaco();
       }
     },
+    leftPanelCollapsed() {
+      this.editor.updateDimensions();
+    },
+    rightPanelCollapsed() {
+      this.editor.updateDimensions();
+    },
   },
   computed: {
     ...mapGetters([
       'activeFile',
       'activeFileExtension',
     ]),
+    ...mapState([
+      'leftPanelCollapsed',
+      'rightPanelCollapsed',
+    ]),
     shouldHideEditor() {
       return this.activeFile.binary && !this.activeFile.raw;
     },
@@ -76,13 +113,14 @@ export default {
     class="blob-viewer-container blob-editor-container"
   >
     <div
-      v-show="shouldHideEditor"
+      v-if="shouldHideEditor"
       v-html="activeFile.html"
     >
     </div>
     <div
       v-show="!shouldHideEditor"
       ref="editor"
+      class="multi-file-editor-holder"
     >
     </div>
   </div>

app/assets/javascripts/repo/components/repo_file.vue → app/assets/javascripts/ide/components/repo_file.vue

 <script>
-  import { mapActions, mapGetters } from 'vuex';
+  import { mapState } from 'vuex';
   import timeAgoMixin from '../../vue_shared/mixins/timeago';
   import skeletonLoadingContainer from '../../vue_shared/components/skeleton_loading_container.vue';
+  import newDropdown from './new_dropdown/index.vue';
 
   export default {
     mixins: [
@@ -9,20 +10,22 @@
     ],
     components: {
       skeletonLoadingContainer,
+      newDropdown,
     },
     props: {
       file: {
         type: Object,
         required: true,
       },
+      showExtraColumns: {
+        type: Boolean,
+        default: false,
+      },
     },
     computed: {
-      ...mapGetters([
-        'isCollapsed',
+      ...mapState([
+        'leftPanelCollapsed',
       ]),
-      isSubmodule() {
-        return this.file.type === 'submodule';
-      },
       fileIcon() {
         return {
           'fa-spinner fa-spin': this.file.loading,
@@ -30,6 +33,12 @@
           'fa-folder-open': !this.file.loading && this.file.opened,
         };
       },
+      isSubmodule() {
+        return this.file.type === 'submodule';
+      },
+      isTree() {
+        return this.file.type === 'tree';
+      },
       levelIndentation() {
         return {
           marginLeft: `${this.file.level * 16}px`,
@@ -39,13 +48,39 @@
         return this.file.id.substr(0, 8);
       },
       submoduleColSpan() {
-        return !this.isCollapsed && this.isSubmodule ? 3 : 1;
+        return !this.leftPanelCollapsed && this.isSubmodule ? 3 : 1;
+      },
+      fileClass() {
+        if (this.file.type === 'blob') {
+          if (this.file.active) {
+            return 'file-open file-active';
+          }
+          return this.file.opened ? 'file-open' : '';
+        }
+        return '';
+      },
+      changedClass() {
+        return {
+          'fa-circle unsaved-icon': this.file.changed || this.file.tempFile,
+        };
       },
     },
     methods: {
-      ...mapActions([
-        'clickedTreeRow',
-      ]),
+      clickFile(row) {
+        // Manual Action if a tree is selected/opened
+        if (this.file.type === 'tree' && this.$router.currentRoute.path === `/project${row.url}`) {
+          this.$store.dispatch('toggleTreeOpen', {
+            endpoint: this.file.url,
+            tree: this.file,
+          });
+        }
+        this.$router.push(`/project${row.url}`);
+      },
+    },
+    updated() {
+      if (this.file.type === 'blob' && this.file.active) {
+        this.$el.scrollIntoView();
+      }
     },
   };
 </script>
@@ -53,7 +88,8 @@
 <template>
   <tr
     class="file"
-    @click.prevent="clickedTreeRow(file)">
+    :class="fileClass"
+    @click="clickFile(file)">
     <td
       class="multi-file-table-name"
       :colspan="submoduleColSpan"
@@ -66,11 +102,23 @@
       >
       </i>
       <a
-        :href="file.url"
         class="repo-file-name"
       >
         {{ file.name }}
       </a>
+      <new-dropdown
+        v-if="isTree"
+        :project-id="file.projectId"
+        :branch="file.branchId"
+        :path="file.path"
+        :parent="file"/>
+      <i
+        class="fa"
+        v-if="changedClass"
+        :class="changedClass"
+        aria-hidden="true"
+      >
+      </i>
       <template v-if="isSubmodule && file.id">
         @
         <span class="commit-sha">
@@ -84,7 +132,7 @@
       </template>
     </td>
 
-    <template v-if="!isCollapsed && !isSubmodule">
+    <template v-if="showExtraColumns && !isSubmodule">
       <td class="multi-file-table-col-commit-message hidden-sm hidden-xs">
         <a
           v-if="file.lastCommit.message"

app/assets/javascripts/repo/components/repo_loading_file.vue → app/assets/javascripts/ide/components/repo_loading_file.vue

 <script>
-  import { mapGetters } from 'vuex';
+  import { mapState } from 'vuex';
   import skeletonLoadingContainer from '../../vue_shared/components/skeleton_loading_container.vue';
 
   export default {
@@ -7,8 +7,8 @@
       skeletonLoadingContainer,
     },
     computed: {
-      ...mapGetters([
-        'isCollapsed',
+      ...mapState([
+        'leftPanelCollapsed',
       ]),
     },
   };
@@ -24,7 +24,7 @@
         :small="true"
       />
     </td>
-    <template v-if="!isCollapsed">
+    <template v-if="!leftPanelCollapsed">
       <td
         class="hidden-sm hidden-xs">
         <skeleton-loading-container

app/assets/javascripts/repo/components/repo_prev_directory.vue → app/assets/javascripts/ide/components/repo_prev_directory.vue

 <script>
-  import { mapGetters, mapState, mapActions } from 'vuex';
+  import { mapState, mapActions } from 'vuex';
 
   export default {
     computed: {
       ...mapState([
         'parentTreeUrl',
-      ]),
-      ...mapGetters([
-        'isCollapsed',
+        'leftPanelCollapsed',
       ]),
       colSpanCondition() {
-        return this.isCollapsed ? undefined : 3;
+        return this.leftPanelCollapsed ? undefined : 3;
       },
     },
     methods: {

app/assets/javascripts/repo/components/repo_tab.vue → app/assets/javascripts/ide/components/repo_tab.vue

@@ -27,16 +27,18 @@ export default {
 
   methods: {
     ...mapActions([
-      'setFileActive',
       'closeFile',
     ]),
+    clickFile(tab) {
+      this.$router.push(`/project${tab.url}`);
+    },
   },
 };
 </script>
 
 <template>
   <li
-    @click="setFileActive(tab)"
+    @click="clickFile(tab)"
   >
     <button
       type="button"

app/assets/javascripts/ide/ide_router.js

+import Vue from 'vue';
+import VueRouter from 'vue-router';
+import store from './stores';
+import flash from '../flash';
+import {
+  getTreeEntry,
+} from './stores/utils';
+
+Vue.use(VueRouter);
+
+/**
+ * Routes below /-/ide/:
+
+/project/h5bp/html5-boilerplate/blob/master
+/project/h5bp/html5-boilerplate/blob/master/app/js/test.js
+
+/project/h5bp/html5-boilerplate/mr/123
+/project/h5bp/html5-boilerplate/mr/123/app/js/test.js
+
+/workspace/123
+/workspace/project/h5bp/html5-boilerplate/blob/my-special-branch
+/workspace/project/h5bp/html5-boilerplate/mr/123
+
+/ = /workspace
+
+/settings
+*/
+
+// Unfortunately Vue Router doesn't work without at least a fake component
+// If you do only data handling
+const EmptyRouterComponent = {
+  render(createElement) {
+    return createElement('div');
+  },
+};
+
+const router = new VueRouter({
+  mode: 'history',
+  base: `${gon.relative_url_root}/-/ide/`,
+  routes: [
+    {
+      path: '/project/:namespace/:project',
+      component: EmptyRouterComponent,
+      children: [
+        {
+          path: ':targetmode/:branch/*',
+          component: EmptyRouterComponent,
+        },
+        {
+          path: 'mr/:mrid',
+          component: EmptyRouterComponent,
+        },
+      ],
+    },
+  ],
+});
+
+router.beforeEach((to, from, next) => {
+  if (to.params.namespace && to.params.project) {
+    store.dispatch('getProjectData', {
+      namespace: to.params.namespace,
+      projectId: to.params.project,
+    })
+    .then(() => {
+      const fullProjectId = `${to.params.namespace}/${to.params.project}`;
+
+      if (to.params.branch) {
+        store.dispatch('getBranchData', {
+          projectId: fullProjectId,
+          branchId: to.params.branch,
+        });
+
+        store.dispatch('getTreeData', {
+          projectId: fullProjectId,
+          branch: to.params.branch,
+          endpoint: `/tree/${to.params.branch}`,
+        })
+        .then(() => {
+          if (to.params[0]) {
+            const treeEntry = getTreeEntry(store, `${to.params.namespace}/${to.params.project}/${to.params.branch}`, to.params[0]);
+            if (treeEntry) {
+              store.dispatch('handleTreeEntryAction', treeEntry);
+            }
+          }
+        })
+        .catch((e) => {
+          flash('Error while loading the branch files. Please try again.');
+          throw e;
+        });
+      }
+    })
+    .catch((e) => {
+      flash('Error while loading the project data. Please try again.');
+      throw e;
+    });
+  }
+
+  next();
+});
+
+export default router;

app/assets/javascripts/repo/index.js → app/assets/javascripts/ide/index.js

 import Vue from 'vue';
 import { mapActions } from 'vuex';
 import { convertPermissionToBoolean } from '../lib/utils/common_utils';
-import Repo from './components/repo.vue';
-import RepoEditButton from './components/repo_edit_button.vue';
-import newBranchForm from './components/new_branch_form.vue';
-import newDropdown from './components/new_dropdown/index.vue';
+import ide from './components/ide.vue';
+
 import store from './stores';
+import router from './ide_router';
 import Translate from '../vue_shared/translate';
+import ContextualSidebar from '../contextual_sidebar';
 
-function initRepo(el) {
+function initIde(el) {
   if (!el) return null;
 
   return new Vue({
     el,
     store,
+    router,
     components: {
-      repo: Repo,
+      ide,
     },
     methods: {
       ...mapActions([
@@ -26,11 +27,6 @@ function initRepo(el) {
       const data = el.dataset;
 
       this.setInitialData({
-        project: {
-          id: data.projectId,
-          name: data.projectName,
-          url: data.projectUrl,
-        },
         endpoints: {
           rootEndpoint: data.url,
           newMergeRequestUrl: data.newMergeRequestUrl,
@@ -38,69 +34,22 @@ function initRepo(el) {
         },
         canCommit: convertPermissionToBoolean(data.canCommit),
         onTopOfBranch: convertPermissionToBoolean(data.onTopOfBranch),
-        currentRef: data.ref,
         path: data.currentPath,
-        currentBranch: data.currentBranch,
         isRoot: convertPermissionToBoolean(data.root),
         isInitialRoot: convertPermissionToBoolean(data.root),
       });
     },
     render(createElement) {
-      return createElement('repo');
-    },
-  });
-}
-
-function initRepoEditButton(el) {
-  return new Vue({
-    el,
-    store,
-    components: {
-      repoEditButton: RepoEditButton,
-    },
-    render(createElement) {
-      return createElement('repo-edit-button');
-    },
-  });
-}
-
-function initNewDropdown(el) {
-  return new Vue({
-    el,
-    store,
-    components: {
-      newDropdown,
-    },
-    render(createElement) {
-      return createElement('new-dropdown');
-    },
-  });
-}
-
-function initNewBranchForm() {
-  const el = document.querySelector('.js-new-branch-dropdown');
-
-  if (!el) return null;
-
-  return new Vue({
-    el,
-    components: {
-      newBranchForm,
-    },
-    store,
-    render(createElement) {
-      return createElement('new-branch-form');
+      return createElement('ide');
     },
   });
 }
 
-const repo = document.getElementById('repo');
-const editButton = document.querySelector('.editable-mode');
-const newDropdownHolder = document.querySelector('.js-new-dropdown');
+const ideElement = document.getElementById('ide');
 
 Vue.use(Translate);
 
-initRepo(repo);
-initRepoEditButton(editButton);
-initNewBranchForm();
-initNewDropdown(newDropdownHolder);
+initIde(ideElement);
+
+const contextualSidebar = new ContextualSidebar();
+contextualSidebar.bindEvents();

app/assets/javascripts/repo/lib/common/model.js → app/assets/javascripts/ide/lib/common/model.js

@@ -28,6 +28,14 @@ export default class Model {
     return this.model.uri.toString();
   }
 
+  get language() {
+    return this.model.getModeId();
+  }
+
+  get eol() {
+    return this.model.getEOL() === '\n' ? 'LF' : 'CRLF';
+  }
+
   get path() {
     return this.file.path;
   }

app/assets/javascripts/repo/lib/editor.js → app/assets/javascripts/ide/lib/editor.js

@@ -22,6 +22,11 @@ export default class Editor {
       this.modelManager = new ModelManager(this.monaco),
       this.decorationsController = new DecorationsController(this),
     );
+
+    this.debouncedUpdate = _.debounce(() => {
+      this.updateDimensions();
+    }, 200);
+    window.addEventListener('resize', this.debouncedUpdate, false);
   }
 
   createInstance(domElement) {
@@ -32,6 +37,9 @@ export default class Editor {
           readOnly: false,
           contextmenu: true,
           scrollBeyondLastLine: false,
+          minimap: {
+            enabled: false,
+          },
         }),
         this.dirtyDiffController = new DirtyDiffController(
           this.modelManager, this.decorationsController,
@@ -70,10 +78,32 @@ export default class Editor {
 
   dispose() {
     this.disposable.dispose();
+    window.removeEventListener('resize', this.debouncedUpdate);
 
     // dispose main monaco instance
     if (this.instance) {
       this.instance = null;
     }
   }
+
+  updateDimensions() {
+    this.instance.layout();
+  }
+
+  setPosition({ lineNumber, column }) {
+    this.instance.revealPositionInCenter({
+      lineNumber,
+      column,
+    });
+    this.instance.setPosition({
+      lineNumber,
+      column,
+    });
+  }
+
+  onPositionChange(cb) {
+    this.disposable.add(
+      this.instance.onDidChangeCursorPosition(e => cb(this.instance, e)),
+    );
+  }
 }

app/assets/javascripts/repo/services/index.js → app/assets/javascripts/ide/services/index.js

@@ -23,8 +23,11 @@ export default {
     return Vue.http.get(file.rawPath, { params: { format: 'json' } })
       .then(res => res.text());
   },
-  getBranchData(projectId, currentBranch) {
-    return Api.branchSingle(projectId, currentBranch);
+  getProjectData(namespace, project) {
+    return Api.project(`${namespace}/${project}`);
+  },
+  getBranchData(projectId, currentBranchId) {
+    return Api.branchSingle(projectId, currentBranchId);
   },
   createBranch(projectId, payload) {
     const url = Api.buildUrl(Api.createBranchPath).replace(':id', projectId);

app/assets/javascripts/repo/stores/actions.js → app/assets/javascripts/ide/stores/actions.js

@@ -6,9 +6,11 @@ import * as types from './mutation_types';
 
 export const redirectToUrl = (_, url) => visitUrl(url);
 
-export const setInitialData = ({ commit }, data) => commit(types.SET_INITIAL_DATA, data);
+export const setInitialData = ({ commit }, data) =>
+  commit(types.SET_INITIAL_DATA, data);
 
-export const closeDiscardPopup = ({ commit }) => commit(types.TOGGLE_DISCARD_POPUP, false);
+export const closeDiscardPopup = ({ commit }) =>
+  commit(types.TOGGLE_DISCARD_POPUP, false);
 
 export const discardAllChanges = ({ commit, getters, dispatch }) => {
   const changedFiles = getters.changedFiles;
@@ -26,7 +28,10 @@ export const closeAllFiles = ({ state, dispatch }) => {
   state.openFiles.forEach(file => dispatch('closeFile', { file }));
 };
 
-export const toggleEditMode = ({ state, commit, getters, dispatch }, force = false) => {
+export const toggleEditMode = (
+  { state, commit, getters, dispatch },
+  force = false,
+) => {
   const changedFiles = getters.changedFiles;
 
   if (changedFiles.length && !force) {
@@ -50,67 +55,105 @@ export const toggleBlobView = ({ commit, state }) => {
   }
 };
 
-export const checkCommitStatus = ({ state }) => service.getBranchData(
-  state.project.id,
-  state.currentBranch,
-)
-  .then((data) => {
-    const { id } = data.commit;
-
-    if (state.currentRef !== id) {
-      return true;
-    }
+export const setPanelCollapsedStatus = ({ commit }, { side, collapsed }) => {
+  if (side === 'left') {
+    commit(types.SET_LEFT_PANEL_COLLAPSED, collapsed);
+  } else {
+    commit(types.SET_RIGHT_PANEL_COLLAPSED, collapsed);
+  }
+};
 
-    return false;
-  })
-  .catch(() => flash('Error checking branch data. Please try again.'));
-
-export const commitChanges = ({ commit, state, dispatch, getters }, { payload, newMr }) =>
-  service.commit(state.project.id, payload)
-  .then((data) => {
-    const { branch } = payload;
-    if (!data.short_id) {
-      flash(data.message);
-      return;
-    }
+export const checkCommitStatus = ({ state }) =>
+  service
+    .getBranchData(state.currentProjectId, state.currentBranchId)
+    .then((data) => {
+      const { id } = data.commit;
+      const selectedBranch =
+        state.projects[state.currentProjectId].branches[state.currentBranchId];
+
+      if (selectedBranch.workingReference !== id) {
+        return true;
+      }
+
+      return false;
+    })
+    .catch(() => flash('Error checking branch data. Please try again.'));
+
+export const commitChanges = (
+  { commit, state, dispatch, getters },
+  { payload, newMr },
+) =>
+  service
+    .commit(state.currentProjectId, payload)
+    .then((data) => {
+      const { branch } = payload;
+      if (!data.short_id) {
+        flash(data.message);
+        return;
+      }
+
+      const selectedProject = state.projects[state.currentProjectId];
+      const lastCommit = {
+        commit_path: `${selectedProject.web_url}/commit/${data.id}`,
+        commit: {
+          message: data.message,
+          authored_date: data.committed_date,
+        },
+      };
+
+      flash(
+        `Your changes have been committed. Commit ${data.short_id} with ${
+          data.stats.additions
+        } additions, ${data.stats.deletions} deletions.`,
+        'notice',
+      );
+
+      if (newMr) {
+        dispatch(
+          'redirectToUrl',
+          `${
+            selectedProject.web_url
+          }/merge_requests/new?merge_request%5Bsource_branch%5D=${branch}`,
+        );
+      } else {
+        commit(types.SET_BRANCH_WORKING_REFERENCE, {
+          projectId: state.currentProjectId,
+          branchId: state.currentBranchId,
+          reference: data.id,
+        });
 
-    const lastCommit = {
-      commit_path: `${state.project.url}/commit/${data.id}`,
-      commit: {
-        message: data.message,
-        authored_date: data.committed_date,
-      },
-    };
-
-    flash(`Your changes have been committed. Commit ${data.short_id} with ${data.stats.additions} additions, ${data.stats.deletions} deletions.`, 'notice');
-
-    if (newMr) {
-      dispatch('redirectToUrl', `${state.endpoints.newMergeRequestUrl}${branch}`);
-    } else {
-      commit(types.SET_COMMIT_REF, data.id);
-
-      getters.changedFiles.forEach((entry) => {
-        commit(types.SET_LAST_COMMIT_DATA, {
-          entry,
-          lastCommit,
+        getters.changedFiles.forEach((entry) => {
+          commit(types.SET_LAST_COMMIT_DATA, {
+            entry,
+            lastCommit,
+          });
         });
-      });
 
-      dispatch('discardAllChanges');
-      dispatch('closeAllFiles');
-      dispatch('toggleEditMode');
+        dispatch('discardAllChanges');
+        dispatch('closeAllFiles');
 
-      window.scrollTo(0, 0);
-    }
-  })
-  .catch(() => flash('Error committing changes. Please try again.'));
+        window.scrollTo(0, 0);
+      }
+    })
+    .catch(() => flash('Error committing changes. Please try again.'));
 
-export const createTempEntry = ({ state, dispatch }, { name, type, content = '', base64 = false }) => {
+export const createTempEntry = (
+  { state, dispatch },
+  { projectId, branchId, parent, name, type, content = '', base64 = false },
+) => {
+  const selectedParent = parent || state.trees[`${projectId}/${branchId}`];
   if (type === 'tree') {
-    dispatch('createTempTree', name);
+    dispatch('createTempTree', {
+      projectId,
+      branchId,
+      parent: selectedParent,
+      name,
+    });
   } else if (type === 'blob') {
     dispatch('createTempFile', {
-      tree: state,
+      projectId,
+      branchId,
+      parent: selectedParent,
       name,
       base64,
       content,
@@ -118,17 +161,6 @@ export const createTempEntry = ({ state, dispatch }, { name, type, content = '',
   }
 };
 
-export const popHistoryState = ({ state, dispatch, getters }) => {
-  const treeList = getters.treeList;
-  const tree = treeList.find(file => file.url === state.previousUrl);
-
-  if (!tree) return;
-
-  if (tree.type === 'tree') {
-    dispatch('toggleTreeOpen', { endpoint: tree.url, tree });
-  }
-};
-
 export const scrollToTab = () => {
   Vue.nextTick(() => {
     const tabs = document.getElementById('tabs');
@@ -143,4 +175,5 @@ export const scrollToTab = () => {
 
 export * from './actions/tree';
 export * from './actions/file';
+export * from './actions/project';
 export * from './actions/branch';

app/assets/javascripts/ide/stores/actions/branch.js

+import service from '../../services';
+import flash from '../../../flash';
+import * as types from '../mutation_types';
+
+export const getBranchData = (
+  { commit, state, dispatch },
+  { projectId, branchId, force = false } = {},
+) => new Promise((resolve, reject) => {
+  if ((typeof state.projects[`${projectId}`] === 'undefined' ||
+        !state.projects[`${projectId}`].branches[branchId])
+        || force) {
+    service.getBranchData(`${projectId}`, branchId)
+      .then((data) => {
+        const { id } = data.commit;
+        commit(types.SET_BRANCH, { projectPath: `${projectId}`, branchName: branchId, branch: data });
+        commit(types.SET_BRANCH_WORKING_REFERENCE, { projectId, branchId, reference: id });
+        resolve(data);
+      })
+      .catch(() => {
+        flash('Error loading branch data. Please try again.');
+        reject(new Error(`Branch not loaded - ${projectId}/${branchId}`));
+      });
+  } else {
+    resolve(state.projects[`${projectId}`].branches[branchId]);
+  }
+});
+
+export const createNewBranch = ({ state, commit }, branch) => service.createBranch(
+  state.currentProjectId,
+  {
+    branch,
+    ref: state.currentBranchId,
+  },
+)
+.then(res => res.json())
+.then((data) => {
+  const branchName = data.name;
+  const url = location.href.replace(state.currentBranchId, branchName);
+
+  if (this.$router) this.$router.push(url);
+
+  commit(types.SET_CURRENT_BRANCH, branchName);
+});

app/assets/javascripts/repo/stores/actions/file.js → app/assets/javascripts/ide/stores/actions/file.js

@@ -2,9 +2,9 @@ import { normalizeHeaders } from '../../../lib/utils/common_utils';
 import flash from '../../../flash';
 import service from '../../services';
 import * as types from '../mutation_types';
+import router from '../../ide_router';
 import {
   findEntry,
-  pushState,
   setPageTitle,
   createTemp,
   findIndexOfFile,
@@ -25,7 +25,7 @@ export const closeFile = ({ commit, state, dispatch }, { file, force = false })
 
     dispatch('setFileActive', nextFileToOpen);
   } else if (!state.openFiles.length) {
-    pushState(file.parentTreeUrl);
+    router.push(`/project/${file.projectId}/tree/${file.branchId}/`);
   }
 
   dispatch('getLastCommitData');
@@ -45,6 +45,9 @@ export const setFileActive = ({ commit, state, getters, dispatch }, file) => {
 
   // reset hash for line highlighting
   location.hash = '';
+
+  commit(types.SET_CURRENT_PROJECT, file.projectId);
+  commit(types.SET_CURRENT_BRANCH, file.branchId);
 };
 
 export const getFileData = ({ state, commit, dispatch }, file) => {
@@ -63,8 +66,6 @@ export const getFileData = ({ state, commit, dispatch }, file) => {
       commit(types.TOGGLE_FILE_OPEN, file);
       dispatch('setFileActive', file);
       commit(types.TOGGLE_LOADING, file);
-
-      pushState(file.url);
     })
     .catch(() => {
       commit(types.TOGGLE_LOADING, file);
@@ -82,21 +83,39 @@ export const changeFileContent = ({ commit }, { file, content }) => {
   commit(types.UPDATE_FILE_CONTENT, { file, content });
 };
 
-export const createTempFile = ({ state, commit, dispatch }, { tree, name, content = '', base64 = '' }) => {
+export const setFileLanguage = ({ state, commit }, { fileLanguage }) => {
+  commit(types.SET_FILE_LANGUAGE, { file: state.selectedFile, fileLanguage });
+};
+
+export const setFileEOL = ({ state, commit }, { eol }) => {
+  commit(types.SET_FILE_EOL, { file: state.selectedFile, eol });
+};
+
+export const setEditorPosition = ({ state, commit }, { editorRow, editorColumn }) => {
+  commit(types.SET_FILE_POSITION, { file: state.selectedFile, editorRow, editorColumn });
+};
+
+export const createTempFile = ({ state, commit, dispatch }, { projectId, branchId, parent, name, content = '', base64 = '' }) => {
+  const path = parent.path !== undefined ? parent.path : '';
+  // We need to do the replacement otherwise the web_url + file.url duplicate
+  const newUrl = `/${projectId}/blob/${branchId}/${path}${path ? '/' : ''}${name}`;
   const file = createTemp({
-    name: name.replace(`${state.path}/`, ''),
-    path: tree.path,
+    projectId,
+    branchId,
+    name: name.replace(`${path}/`, ''),
+    path,
     type: 'blob',
-    level: tree.level !== undefined ? tree.level + 1 : 0,
+    level: parent.level !== undefined ? parent.level + 1 : 0,
     changed: true,
     content,
     base64,
+    url: newUrl,
   });
 
-  if (findEntry(tree, 'blob', file.name)) return flash(`The name "${file.name}" is already taken in this directory.`);
+  if (findEntry(parent.tree, 'blob', file.name)) return flash(`The name "${file.name}" is already taken in this directory.`);
 
   commit(types.CREATE_TMP_FILE, {
-    parent: tree,
+    parent,
     file,
   });
   commit(types.TOGGLE_FILE_OPEN, file);
@@ -106,5 +125,7 @@ export const createTempFile = ({ state, commit, dispatch }, { tree, name, conten
     dispatch('toggleEditMode', true);
   }
 
+  router.push(`/project${file.url}`);
+
   return Promise.resolve(file);
 };

app/assets/javascripts/ide/stores/actions/project.js

+import service from '../../services';
+import flash from '../../../flash';
+import * as types from '../mutation_types';
+
+// eslint-disable-next-line import/prefer-default-export
+export const getProjectData = (
+  { commit, state, dispatch },
+  { namespace, projectId, force = false } = {},
+) => new Promise((resolve, reject) => {
+  if (!state.projects[`${namespace}/${projectId}`] || force) {
+    service.getProjectData(namespace, projectId)
+    .then(res => res.data)
+    .then((data) => {
+      commit(types.SET_PROJECT, { projectPath: `${namespace}/${projectId}`, project: data });
+      if (!state.currentProjectId) commit(types.SET_CURRENT_PROJECT, `${namespace}/${projectId}`);
+      resolve(data);
+    })
+    .catch(() => {
+      flash('Error loading project data. Please try again.');
+      reject(new Error(`Project not loaded ${namespace}/${projectId}`));
+    });
+  } else {
+    resolve(state.projects[`${namespace}/${projectId}`]);
+  }
+});

app/assets/javascripts/repo/stores/actions/tree.js → app/assets/javascripts/ide/stores/actions/tree.js

@@ -3,8 +3,8 @@ import { normalizeHeaders } from '../../../lib/utils/common_utils';
 import flash from '../../../flash';
 import service from '../../services';
 import * as types from '../mutation_types';
+import router from '../../ide_router';
 import {
-  pushState,
   setPageTitle,
   findEntry,
   createTemp,
@@ -13,59 +13,69 @@ import {
 
 export const getTreeData = (
   { commit, state, dispatch },
-  { endpoint = state.endpoints.rootEndpoint, tree = state } = {},
-) => {
-  commit(types.TOGGLE_LOADING, tree);
-
-  service.getTreeData(endpoint)
-    .then((res) => {
-      const pageTitle = decodeURI(normalizeHeaders(res.headers)['PAGE-TITLE']);
-
-      setPageTitle(pageTitle);
-
-      return res.json();
-    })
-    .then((data) => {
-      const prevLastCommitPath = tree.lastCommitPath;
-      if (!state.isInitialRoot) {
-        commit(types.SET_ROOT, data.path === '/');
-      }
+  { endpoint, tree = null, projectId, branch, force = false } = {},
+) => new Promise((resolve, reject) => {
+  // We already have the base tree so we resolve immediately
+  if (!tree && state.trees[`${projectId}/${branch}`] && !force) {
+    resolve();
+  } else {
+    if (tree) commit(types.TOGGLE_LOADING, tree);
+    const selectedProject = state.projects[projectId];
+    // We are merging the web_url that we got on the project info with the endpoint
+    // we got on the tree entry, as both contain the projectId, we replace it in the tree endpoint
+    const completeEndpoint = selectedProject.web_url + (endpoint).replace(projectId, '');
+    if (completeEndpoint && (!tree || !tree.tempFile)) {
+      service.getTreeData(completeEndpoint)
+      .then((res) => {
+        const pageTitle = decodeURI(normalizeHeaders(res.headers)['PAGE-TITLE']);
+
+        setPageTitle(pageTitle);
+
+        return res.json();
+      })
+      .then((data) => {
+        if (!state.isInitialRoot) {
+          commit(types.SET_ROOT, data.path === '/');
+        }
 
-      dispatch('updateDirectoryData', { data, tree });
-      commit(types.SET_PARENT_TREE_URL, data.parent_tree_url);
-      commit(types.SET_LAST_COMMIT_URL, { tree, url: data.last_commit_path });
-      commit(types.TOGGLE_LOADING, tree);
+        dispatch('updateDirectoryData', { data, tree, projectId, branch });
+        const selectedTree = tree || state.trees[`${projectId}/${branch}`];
 
-      if (prevLastCommitPath !== null) {
-        dispatch('getLastCommitData', tree);
-      }
+        commit(types.SET_PARENT_TREE_URL, data.parent_tree_url);
+        commit(types.SET_LAST_COMMIT_URL, { tree: selectedTree, url: data.last_commit_path });
+        if (tree) commit(types.TOGGLE_LOADING, selectedTree);
 
-      pushState(endpoint);
-    })
-    .catch(() => {
-      flash('Error loading tree data. Please try again.');
-      commit(types.TOGGLE_LOADING, tree);
-    });
-};
+        const prevLastCommitPath = selectedTree.lastCommitPath;
+        if (prevLastCommitPath !== null) {
+          dispatch('getLastCommitData', selectedTree);
+        }
+        resolve(data);
+      })
+      .catch((e) => {
+        flash('Error loading tree data. Please try again.');
+        if (tree) commit(types.TOGGLE_LOADING, tree);
+        reject(e);
+      });
+    } else {
+      resolve();
+    }
+  }
+});
 
 export const toggleTreeOpen = ({ commit, dispatch }, { endpoint, tree }) => {
   if (tree.opened) {
     // send empty data to clear the tree
     const data = { trees: [], blobs: [], submodules: [] };
 
-    pushState(tree.parentTreeUrl);
-
-    commit(types.SET_PREVIOUS_URL, tree.parentTreeUrl);
-    dispatch('updateDirectoryData', { data, tree });
+    dispatch('updateDirectoryData', { data, tree, projectId: tree.projectId, branchId: tree.branchId });
   } else {
-    commit(types.SET_PREVIOUS_URL, endpoint);
-    dispatch('getTreeData', { endpoint, tree });
+    dispatch('getTreeData', { endpoint, tree, projectId: tree.projectId, branch: tree.branchId });
   }
 
   commit(types.TOGGLE_TREE_OPEN, tree);
 };
 
-export const clickedTreeRow = ({ commit, dispatch }, row) => {
+export const handleTreeEntryAction = ({ commit, dispatch }, row) => {
   if (row.type === 'tree') {
     dispatch('toggleTreeOpen', {
       endpoint: row.url,
@@ -73,7 +83,6 @@ export const clickedTreeRow = ({ commit, dispatch }, row) => {
     });
   } else if (row.type === 'submodule') {
     commit(types.TOGGLE_LOADING, row);
-
     visitUrl(row.url);
   } else if (row.type === 'blob' && row.opened) {
     dispatch('setFileActive', row);
@@ -82,43 +91,46 @@ export const clickedTreeRow = ({ commit, dispatch }, row) => {
   }
 };
 
-export const createTempTree = ({ state, commit, dispatch }, name) => {
-  let tree = state;
+export const createTempTree = (
+  { state, commit, dispatch },
+  { projectId, branchId, parent, name },
+) => {
+  let selectedTree = parent;
   const dirNames = name.replace(new RegExp(`^${state.path}/`), '').split('/');
 
   dirNames.forEach((dirName) => {
-    const foundEntry = findEntry(tree, 'tree', dirName);
+    const foundEntry = findEntry(selectedTree.tree, 'tree', dirName);
 
     if (!foundEntry) {
+      const path = selectedTree.path !== undefined ? selectedTree.path : '';
       const tmpEntry = createTemp({
+        projectId,
+        branchId,
         name: dirName,
-        path: tree.path,
+        path,
         type: 'tree',
-        level: tree.level !== undefined ? tree.level + 1 : 0,
+        level: selectedTree.level !== undefined ? selectedTree.level + 1 : 0,
+        tree: [],
+        url: `/${projectId}/blob/${branchId}/${path}${path ? '/' : ''}${dirName}`,
       });
 
       commit(types.CREATE_TMP_TREE, {
-        parent: tree,
+        parent: selectedTree,
         tmpEntry,
       });
       commit(types.TOGGLE_TREE_OPEN, tmpEntry);
 
-      tree = tmpEntry;
+      router.push(`/project${tmpEntry.url}`);
+
+      selectedTree = tmpEntry;
     } else {
-      tree = foundEntry;
+      selectedTree = foundEntry;
     }
   });
-
-  if (tree.tempFile) {
-    dispatch('createTempFile', {
-      tree,
-      name: '.gitkeep',
-    });
-  }
 };
 
 export const getLastCommitData = ({ state, commit, dispatch, getters }, tree = state) => {
-  if (tree.lastCommitPath === null || getters.isCollapsed) return;
+  if (!tree || tree.lastCommitPath === null || !tree.lastCommitPath) return;
 
   service.getTreeLastCommit(tree.lastCommitPath)
     .then((res) => {
@@ -130,7 +142,7 @@ export const getLastCommitData = ({ state, commit, dispatch, getters }, tree = s
     })
     .then((data) => {
       data.forEach((lastCommit) => {
-        const entry = findEntry(tree, lastCommit.type, lastCommit.file_name);
+        const entry = findEntry(tree.tree, lastCommit.type, lastCommit.file_name);
 
         if (entry) {
           commit(types.SET_LAST_COMMIT_DATA, { entry, lastCommit });
@@ -142,11 +154,24 @@ export const getLastCommitData = ({ state, commit, dispatch, getters }, tree = s
     .catch(() => flash('Error fetching log data.'));
 };
 
-export const updateDirectoryData = ({ commit, state }, { data, tree }) => {
-  const level = tree.level !== undefined ? tree.level + 1 : 0;
+export const updateDirectoryData = (
+  { commit, state },
+  { data, tree, projectId, branch },
+) => {
+  if (!tree) {
+    const existingTree = state.trees[`${projectId}/${branch}`];
+    if (!existingTree) {
+      commit(types.CREATE_TREE, { treePath: `${projectId}/${branch}` });
+    }
+  }
+
+  const selectedTree = tree || state.trees[`${projectId}/${branch}`];
+  const level = selectedTree.level !== undefined ? selectedTree.level + 1 : 0;
   const parentTreeUrl = data.parent_tree_url ? `${data.parent_tree_url}${data.path}` : state.endpoints.rootUrl;
   const createEntry = (entry, type) => createOrMergeEntry({
-    tree,
+    tree: selectedTree,
+    projectId: `${projectId}`,
+    branchId: branch,
     entry,
     level,
     type,
@@ -159,5 +184,5 @@ export const updateDirectoryData = ({ commit, state }, { data, tree }) => {
     ...data.blobs.map(b => createEntry(b, 'blob')),
   ];
 
-  commit(types.SET_DIRECTORY_DATA, { tree, data: formattedData });
+  commit(types.SET_DIRECTORY_DATA, { tree: selectedTree, data: formattedData });
 };

app/assets/javascripts/repo/stores/getters.js → app/assets/javascripts/ide/stores/getters.js

-import _ from 'underscore';
-
-/*
-  Takes the multi-dimensional tree and returns a flattened array.
-  This allows for the table to recursively render the table rows but keeps the data
-  structure nested to make it easier to add new files/directories.
-*/
-export const treeList = (state) => {
-  const mapTree = arr => (!arr.tree.length ? [] : _.map(arr.tree, a => [a, mapTree(a)]));
-
-  return _.chain(state.tree)
-    .map(arr => [arr, mapTree(arr)])
-    .flatten()
-    .value();
-};
-
 export const changedFiles = state => state.openFiles.filter(file => file.changed);
 
-export const activeFile = state => state.openFiles.find(file => file.active);
+export const activeFile = state => state.openFiles.find(file => file.active) || null;
 
 export const activeFileExtension = (state) => {
   const file = activeFile(state);
   return file ? `.${file.path.split('.').pop()}` : '';
 };
 
-export const isCollapsed = state => !!state.openFiles.length;
-
 export const canEditFile = (state) => {
   const currentActiveFile = activeFile(state);
-  const openedFiles = state.openFiles;
 
   return state.canCommit &&
-    state.onTopOfBranch &&
-    openedFiles.length &&
-    (currentActiveFile && !currentActiveFile.renderError && !currentActiveFile.binary);
+         (currentActiveFile && !currentActiveFile.renderError && !currentActiveFile.binary);
 };
 
 export const addedFiles = state => changedFiles(state).filter(f => f.tempFile);

app/assets/javascripts/repo/stores/mutation_types.js → app/assets/javascripts/ide/stores/mutation_types.js

 export const SET_INITIAL_DATA = 'SET_INITIAL_DATA';
 export const TOGGLE_LOADING = 'TOGGLE_LOADING';
-export const SET_COMMIT_REF = 'SET_COMMIT_REF';
 export const SET_PARENT_TREE_URL = 'SET_PARENT_TREE_URL';
 export const SET_ROOT = 'SET_ROOT';
-export const SET_PREVIOUS_URL = 'SET_PREVIOUS_URL';
 export const SET_LAST_COMMIT_DATA = 'SET_LAST_COMMIT_DATA';
+export const SET_LEFT_PANEL_COLLAPSED = 'SET_LEFT_PANEL_COLLAPSED';
+export const SET_RIGHT_PANEL_COLLAPSED = 'SET_RIGHT_PANEL_COLLAPSED';
+
+// Project Mutation Types
+export const SET_PROJECT = 'SET_PROJECT';
+export const SET_CURRENT_PROJECT = 'SET_CURRENT_PROJECT';
+export const TOGGLE_PROJECT_OPEN = 'TOGGLE_PROJECT_OPEN';
+
+// Branch Mutation Types
+export const SET_BRANCH = 'SET_BRANCH';
+export const SET_BRANCH_WORKING_REFERENCE = 'SET_BRANCH_WORKING_REFERENCE';
+export const TOGGLE_BRANCH_OPEN = 'TOGGLE_BRANCH_OPEN';
 
 // Tree mutation types
 export const SET_DIRECTORY_DATA = 'SET_DIRECTORY_DATA';
 export const TOGGLE_TREE_OPEN = 'TOGGLE_TREE_OPEN';
 export const CREATE_TMP_TREE = 'CREATE_TMP_TREE';
 export const SET_LAST_COMMIT_URL = 'SET_LAST_COMMIT_URL';
+export const CREATE_TREE = 'CREATE_TREE';
 
 // File mutation types
 export const SET_FILE_DATA = 'SET_FILE_DATA';
@@ -18,6 +29,9 @@ export const TOGGLE_FILE_OPEN = 'TOGGLE_FILE_OPEN';
 export const SET_FILE_ACTIVE = 'SET_FILE_ACTIVE';
 export const SET_FILE_RAW_DATA = 'SET_FILE_RAW_DATA';
 export const UPDATE_FILE_CONTENT = 'UPDATE_FILE_CONTENT';
+export const SET_FILE_LANGUAGE = 'SET_FILE_LANGUAGE';
+export const SET_FILE_POSITION = 'SET_FILE_POSITION';
+export const SET_FILE_EOL = 'SET_FILE_EOL';
 export const DISCARD_FILE_CHANGES = 'DISCARD_FILE_CHANGES';
 export const CREATE_TMP_FILE = 'CREATE_TMP_FILE';
 
@@ -28,3 +42,4 @@ export const TOGGLE_EDIT_MODE = 'TOGGLE_EDIT_MODE';
 export const TOGGLE_DISCARD_POPUP = 'TOGGLE_DISCARD_POPUP';
 
 export const SET_CURRENT_BRANCH = 'SET_CURRENT_BRANCH';
+

app/assets/javascripts/repo/stores/mutations.js → app/assets/javascripts/ide/stores/mutations.js

 import * as types from './mutation_types';
+import projectMutations from './mutations/project';
 import fileMutations from './mutations/file';
 import treeMutations from './mutations/tree';
 import branchMutations from './mutations/branch';
@@ -32,29 +33,32 @@ export default {
       discardPopupOpen,
     });
   },
-  [types.SET_COMMIT_REF](state, ref) {
-    Object.assign(state, {
-      currentRef: ref,
-    });
-  },
   [types.SET_ROOT](state, isRoot) {
     Object.assign(state, {
       isRoot,
       isInitialRoot: isRoot,
     });
   },
-  [types.SET_PREVIOUS_URL](state, previousUrl) {
+  [types.SET_LEFT_PANEL_COLLAPSED](state, collapsed) {
+    Object.assign(state, {
+      leftPanelCollapsed: collapsed,
+    });
+  },
+  [types.SET_RIGHT_PANEL_COLLAPSED](state, collapsed) {
     Object.assign(state, {
-      previousUrl,
+      rightPanelCollapsed: collapsed,
     });
   },
   [types.SET_LAST_COMMIT_DATA](state, { entry, lastCommit }) {
     Object.assign(entry.lastCommit, {
+      id: lastCommit.commit.id,
       url: lastCommit.commit_path,
       message: lastCommit.commit.message,
+      author: lastCommit.commit.author_name,
       updatedAt: lastCommit.commit.authored_date,
     });
   },
+  ...projectMutations,
   ...fileMutations,
   ...treeMutations,
   ...branchMutations,

app/assets/javascripts/ide/stores/mutations/branch.js

+import * as types from '../mutation_types';
+
+export default {
+  [types.SET_CURRENT_BRANCH](state, currentBranchId) {
+    Object.assign(state, {
+      currentBranchId,
+    });
+  },
+  [types.SET_BRANCH](state, { projectPath, branchName, branch }) {
+    // Add client side properties
+    Object.assign(branch, {
+      treeId: `${projectPath}/${branchName}`,
+      active: true,
+      workingReference: '',
+    });
+
+    Object.assign(state.projects[projectPath], {
+      branches: {
+        [branchName]: branch,
+      },
+    });
+  },
+  [types.SET_BRANCH_WORKING_REFERENCE](state, { projectId, branchId, reference }) {
+    Object.assign(state.projects[projectId].branches[branchId], {
+      workingReference: reference,
+    });
+  },
+};

app/assets/javascripts/repo/stores/mutations/file.js → app/assets/javascripts/ide/stores/mutations/file.js

@@ -6,6 +6,10 @@ export default {
     Object.assign(file, {
       active,
     });
+
+    Object.assign(state, {
+      selectedFile: file,
+    });
   },
   [types.TOGGLE_FILE_OPEN](state, file) {
     Object.assign(file, {
@@ -42,6 +46,22 @@ export default {
       changed,
     });
   },
+  [types.SET_FILE_LANGUAGE](state, { file, fileLanguage }) {
+    Object.assign(file, {
+      fileLanguage,
+    });
+  },
+  [types.SET_FILE_EOL](state, { file, eol }) {
+    Object.assign(file, {
+      eol,
+    });
+  },
+  [types.SET_FILE_POSITION](state, { file, editorRow, editorColumn }) {
+    Object.assign(file, {
+      editorRow,
+      editorColumn,
+    });
+  },
   [types.DISCARD_FILE_CHANGES](state, file) {
     Object.assign(file, {
       content: '',

app/assets/javascripts/ide/stores/mutations/project.js

+import * as types from '../mutation_types';
+
+export default {
+  [types.SET_CURRENT_PROJECT](state, currentProjectId) {
+    Object.assign(state, {
+      currentProjectId,
+    });
+  },
+  [types.SET_PROJECT](state, { projectPath, project }) {
+    // Add client side properties
+    Object.assign(project, {
+      tree: [],
+      branches: {},
+      active: true,
+    });
+
+    Object.assign(state, {
+      projects: Object.assign({}, state.projects, {
+        [projectPath]: project,
+      }),
+    });
+  },
+};

app/assets/javascripts/repo/stores/mutations/tree.js → app/assets/javascripts/ide/stores/mutations/tree.js

@@ -6,6 +6,15 @@ export default {
       opened: !tree.opened,
     });
   },
+  [types.CREATE_TREE](state, { treePath }) {
+    Object.assign(state, {
+      trees: Object.assign({}, state.trees, {
+        [treePath]: {
+          tree: [],
+        },
+      }),
+    });
+  },
   [types.SET_DIRECTORY_DATA](state, { data, tree }) {
     Object.assign(tree, {
       tree: data,

app/assets/javascripts/repo/stores/state.js → app/assets/javascripts/ide/stores/state.js

 export default () => ({
   canCommit: false,
-  currentBranch: '',
-  currentBlobView: 'repo-preview',
-  currentRef: '',
+  currentProjectId: '',
+  currentBranchId: '',
+  currentBlobView: 'repo-editor',
   discardPopupOpen: false,
-  editMode: false,
+  editMode: true,
   endpoints: {},
   isRoot: false,
   isInitialRoot: false,
@@ -12,13 +12,11 @@ export default () => ({
   loading: false,
   onTopOfBranch: false,
   openFiles: [],
+  selectedFile: null,
   path: '',
-  project: {
-    id: 0,
-    name: '',
-    url: '',
-  },
   parentTreeUrl: '',
-  previousUrl: '',
-  tree: [],
+  trees: {},
+  projects: {},
+  leftPanelCollapsed: false,
+  rightPanelCollapsed: true,
 });

app/assets/javascripts/repo/stores/utils.js → app/assets/javascripts/ide/stores/utils.js

@@ -2,6 +2,8 @@ export const dataStructure = () => ({
   id: '',
   key: '',
   type: '',
+  projectId: '',
+  branchId: '',
   name: '',
   url: '',
   path: '',
@@ -15,9 +17,11 @@ export const dataStructure = () => ({
   changed: false,
   lastCommitPath: '',
   lastCommit: {
+    id: '',
     url: '',
     message: '',
     updatedAt: '',
+    author: '',
   },
   tree_url: '',
   blamePath: '',
@@ -31,11 +35,17 @@ export const dataStructure = () => ({
   parentTreeUrl: '',
   renderError: false,
   base64: false,
+  editorRow: 1,
+  editorColumn: 1,
+  fileLanguage: '',
+  eol: '',
 });
 
 export const decorateData = (entity) => {
   const {
     id,
+    projectId,
+    branchId,
     type,
     url,
     name,
@@ -56,6 +66,8 @@ export const decorateData = (entity) => {
   return {
     ...dataStructure(),
     id,
+    projectId,
+    branchId,
     key: `${name}-${type}-${id}`,
     type,
     name,
@@ -75,24 +87,51 @@ export const decorateData = (entity) => {
   };
 };
 
-export const findEntry = (state, type, name) => state.tree.find(
+/*
+  Takes the multi-dimensional tree and returns a flattened array.
+  This allows for the table to recursively render the table rows but keeps the data
+  structure nested to make it easier to add new files/directories.
+*/
+export const treeList = (state, treeId) => {
+  const baseTree = state.trees[treeId];
+  if (baseTree) {
+    const mapTree = arr => (!arr.tree || !arr.tree.length ?
+                            [] : _.map(arr.tree, a => [a, mapTree(a)]));
+
+    return _.chain(baseTree.tree)
+      .map(arr => [arr, mapTree(arr)])
+      .flatten()
+      .value();
+  }
+  return [];
+};
+
+export const getTree = state => (namespace, projectId, branch) => state.trees[`${namespace}/${projectId}/${branch}`];
+
+export const getTreeEntry = (store, treeId, path) => {
+  const fileList = treeList(store.state, treeId);
+  return fileList ? fileList.find(file => file.path === path) : null;
+};
+
+export const findEntry = (tree, type, name) => tree.find(
   f => f.type === type && f.name === name,
 );
+
 export const findIndexOfFile = (state, file) => state.findIndex(f => f.path === file.path);
 
 export const setPageTitle = (title) => {
   document.title = title;
 };
 
-export const pushState = (url) => {
-  history.pushState({ url }, '', url);
-};
-
-export const createTemp = ({ name, path, type, level, changed, content, base64 }) => {
+export const createTemp = ({
+  projectId, branchId, name, path, type, level, changed, content, base64, url,
+}) => {
   const treePath = path ? `${path}/${name}` : name;
 
   return decorateData({
     id: new Date().getTime().toString(),
+    projectId,
+    branchId,
     name,
     type,
     tempFile: true,
@@ -104,11 +143,18 @@ export const createTemp = ({ name, path, type, level, changed, content, base64 }
     level,
     base64,
     renderError: base64,
+    url,
   });
 };
 
-export const createOrMergeEntry = ({ tree, entry, type, parentTreeUrl, level }) => {
-  const found = findEntry(tree, type, entry.name);
+export const createOrMergeEntry = ({ tree,
+                                     projectId,
+                                     branchId,
+                                     entry,
+                                     type,
+                                     parentTreeUrl,
+                                     level }) => {
+  const found = findEntry(tree.tree || tree, type, entry.name);
 
   if (found) {
     return Object.assign({}, found, {
@@ -120,6 +166,8 @@ export const createOrMergeEntry = ({ tree, entry, type, parentTreeUrl, level })
 
   return decorateData({
     ...entry,
+    projectId,
+    branchId,
     type,
     parentTreeUrl,
     level,

app/assets/javascripts/layout_nav.js

-/* eslint-disable func-names, space-before-function-paren, no-var, prefer-arrow-callback, no-unused-vars, one-var, one-var-declaration-per-line, vars-on-top, max-len */
-import _ from 'underscore';
-import Cookies from 'js-cookie';
 import ContextualSidebar from './contextual_sidebar';
 import initFlyOutNav from './fly_out_nav';
 
-(function() {
-  var hideEndFade;
+function hideEndFade($scrollingTabs) {
+  $scrollingTabs.each(function scrollTabsLoop() {
+    const $this = $(this);
+    $this.siblings('.fade-right').toggleClass('scrolling', $this.width() < $this.prop('scrollWidth'));
+  });
+}
 
-  hideEndFade = function($scrollingTabs) {
-    return $scrollingTabs.each(function() {
-      var $this;
-      $this = $(this);
-      return $this.siblings('.fade-right').toggleClass('scrolling', $this.width() < $this.prop('scrollWidth'));
-    });
-  };
+export default function initLayoutNav() {
+  const contextualSidebar = new ContextualSidebar();
+  contextualSidebar.bindEvents();
+
+  initFlyOutNav();
 
   $(document).on('init.scrolling-tabs', () => {
     const $scrollingTabs = $('.scrolling-tabs').not('.is-initialized');
     $scrollingTabs.addClass('is-initialized');
 
-    hideEndFade($scrollingTabs);
-    $(window).off('resize.nav').on('resize.nav', function() {
-      return hideEndFade($scrollingTabs);
-    });
-    $scrollingTabs.off('scroll').on('scroll', function(event) {
-      var $this, currentPosition, maxPosition;
-      $this = $(this);
-      currentPosition = $this.scrollLeft();
-      maxPosition = $this.prop('scrollWidth') - $this.outerWidth();
+    $(window).on('resize.nav', () => {
+      hideEndFade($scrollingTabs);
+    }).trigger('resize.nav');
+
+    $scrollingTabs.on('scroll', function tabsScrollEvent() {
+      const $this = $(this);
+      const currentPosition = $this.scrollLeft();
+      const maxPosition = $this.prop('scrollWidth') - $this.outerWidth();
+
       $this.siblings('.fade-left').toggleClass('scrolling', currentPosition > 0);
-      return $this.siblings('.fade-right').toggleClass('scrolling', currentPosition < maxPosition - 1);
+      $this.siblings('.fade-right').toggleClass('scrolling', currentPosition < maxPosition - 1);
     });
 
-    $scrollingTabs.each(function () {
-      var $this = $(this);
-      var scrollingTabWidth = $this.width();
-      var $active = $this.find('.active');
-      var activeWidth = $active.width();
+    $scrollingTabs.each(function scrollTabsEachLoop() {
+      const $this = $(this);
+      const scrollingTabWidth = $this.width();
+      const $active = $this.find('.active');
+      const activeWidth = $active.width();
 
       if ($active.length) {
-        var offset = $active.offset().left + activeWidth;
+        const offset = $active.offset().left + activeWidth;
 
         if (offset > scrollingTabWidth - 30) {
-          var scrollLeft = scrollingTabWidth / 2;
-          scrollLeft = (offset - scrollLeft) - (activeWidth / 2);
+          const scrollLeft = (offset - (scrollingTabWidth / 2)) - (activeWidth / 2);
+
           $this.scrollLeft(scrollLeft);
         }
       }
     });
-  });
-
-  $(() => {
-    const contextualSidebar = new ContextualSidebar();
-    contextualSidebar.bindEvents();
-
-    initFlyOutNav();
-  });
-}).call(window);
+  }).trigger('init.scrolling-tabs');
+}

app/assets/javascripts/lib/utils/datetime_utility.js

@@ -2,7 +2,7 @@ import timeago from 'timeago.js';
 import dateFormat from 'vendor/date.format';
 import { pluralize } from './text_utility';
 import {
-  lang,
+  languageCode,
   s__,
 } from '../../locale';
 
@@ -24,7 +24,15 @@ export const getDayName = date => ['Sunday', 'Monday', 'Tuesday', 'Wednesday', '
  */
 export const formatDate = datetime => dateFormat(datetime, 'mmm d, yyyy h:MMtt Z');
 
+/**
+ * Timeago uses underscores instead of dashes to separate language from country code.
+ *
+ * see https://github.com/hustcc/timeago.js/tree/v3.0.0/locales
+ */
+const timeagoLanguageCode = languageCode().replace(/-/g, '_');
+
 let timeagoInstance;
+
 /**
  * Sets a timeago Instance
  */
@@ -67,8 +75,8 @@ export function getTimeago() {
       ][index];
     };
 
-    timeago.register(lang, locale);
-    timeago.register(`${lang}-remaining`, localeRemaining);
+    timeago.register(timeagoLanguageCode, locale);
+    timeago.register(`${timeagoLanguageCode}-remaining`, localeRemaining);
     timeagoInstance = timeago();
   }
 
@@ -83,7 +91,7 @@ export const renderTimeago = ($els) => {
   const timeagoEls = $els || document.querySelectorAll('.js-timeago-render');
 
   // timeago.js sets timeouts internally for each timeago value to be updated in real time
-  getTimeago().render(timeagoEls, lang);
+  getTimeago().render(timeagoEls, timeagoLanguageCode);
 };
 
 /**
@@ -118,7 +126,7 @@ export const timeFor = (time, expiredLabel) => {
   if (new Date(time) < new Date()) {
     return expiredLabel || s__('Timeago|Past due');
   }
-  return getTimeago().format(time, `${lang}-remaining`).trim();
+  return getTimeago().format(time, `${timeagoLanguageCode}-remaining`).trim();
 };
 
 export const getDayDifference = (a, b) => {

app/assets/javascripts/main.js

@@ -41,7 +41,7 @@ import Flash, { removeFlashClickListener } from './flash';
 import './gl_dropdown';
 import initTodoToggle from './header';
 import initImporterStatus from './importer_status';
-import './layout_nav';
+import initLayoutNav from './layout_nav';
 import LazyLoader from './lazy_loader';
 import './line_highlighter';
 import initLogoAnimation from './logo';
@@ -89,6 +89,7 @@ $(function () {
   var fitSidebarForSize;
 
   initBreadcrumbs();
+  initLayoutNav();
   initImporterStatus();
   initTodoToggle();
   initLogoAnimation();
@@ -261,8 +262,6 @@ $(function () {
 
   renderTimeago();
 
-  $(document).trigger('init.scrolling-tabs');
-
   $('form.filter-form').on('submit', function (event) {
     const link = document.createElement('a');
     link.href = this.action;

app/assets/javascripts/monitoring/components/graph.vue

 <script>
-  import d3 from 'd3';
+  import { scaleLinear, scaleTime } from 'd3-scale';
+  import { axisLeft, axisBottom } from 'd3-axis';
+  import { max, extent } from 'd3-array';
+  import { select } from 'd3-selection';
   import GraphLegend from './graph/legend.vue';
   import GraphFlag from './graph/flag.vue';
   import GraphDeployment from './graph/deployment.vue';
@@ -7,10 +10,12 @@
   import MonitoringMixin from '../mixins/monitoring_mixins';
   import eventHub from '../event_hub';
   import measurements from '../utils/measurements';
-  import { timeScaleFormat, bisectDate } from '../utils/date_time_formatters';
+  import { bisectDate, timeScaleFormat } from '../utils/date_time_formatters';
   import createTimeSeries from '../utils/multiple_time_series';
   import bp from '../../breakpoints';
 
+  const d3 = { scaleLinear, scaleTime, axisLeft, axisBottom, max, extent, select };
+
   export default {
     props: {
       graphData: {
@@ -156,25 +161,22 @@
           this.baseGraphHeight = this.baseGraphHeight += (this.timeSeries.length - 3) * 20;
         }
 
-        const axisXScale = d3.time.scale()
+        const axisXScale = d3.scaleTime()
           .range([0, this.graphWidth - 70]);
-        const axisYScale = d3.scale.linear()
+        const axisYScale = d3.scaleLinear()
           .range([this.graphHeight - this.graphHeightOffset, 0]);
 
         const allValues = this.timeSeries.reduce((all, { values }) => all.concat(values), []);
         axisXScale.domain(d3.extent(allValues, d => d.time));
         axisYScale.domain([0, d3.max(allValues.map(d => d.value))]);
 
-        const xAxis = d3.svg.axis()
+        const xAxis = d3.axisBottom()
           .scale(axisXScale)
-          .ticks(d3.time.minute, 60)
-          .tickFormat(timeScaleFormat)
-          .orient('bottom');
+          .tickFormat(timeScaleFormat);
 
-        const yAxis = d3.svg.axis()
+        const yAxis = d3.axisLeft()
           .scale(axisYScale)
-          .ticks(measurements.yTicks)
-          .orient('left');
+          .ticks(measurements.yTicks);
 
         d3.select(this.$refs.baseSvg).select('.x-axis').call(xAxis);
 

app/assets/javascripts/monitoring/utils/date_time_formatters.js

-import d3 from 'd3';
+import { timeFormat as time } from 'd3-time-format';
+import { timeSecond, timeMinute, timeHour, timeDay, timeMonth, timeYear } from 'd3-time';
+import { bisector } from 'd3-array';
 
-export const dateFormat = d3.time.format('%b %-d, %Y');
-export const dateFormatWithName = d3.time.format('%a, %b %-d');
-export const timeFormat = d3.time.format('%-I:%M%p');
+const d3 = { time, bisector, timeSecond, timeMinute, timeHour, timeDay, timeMonth, timeYear };
+
+export const dateFormat = d3.time('%b %-d, %Y');
+export const timeFormat = d3.time('%-I:%M%p');
+export const dateFormatWithName = d3.time('%a, %b %-d');
 export const bisectDate = d3.bisector(d => d.time).left;
 
-export const timeScaleFormat = d3.time.format.multi([
-  ['.%L', d => d.getMilliseconds()],
-  [':%S', d => d.getSeconds()],
-  ['%-I:%M', d => d.getMinutes()],
-  ['%-I %p', d => d.getHours()],
-  ['%a %-d', d => d.getDay() && d.getDate() !== 1],
-  ['%b %-d', d => d.getDate() !== 1],
-  ['%B', d => d.getMonth()],
-  ['%Y', () => true],
-]);
+export function timeScaleFormat(date) {
+  let formatFunction;
+  if (d3.timeSecond(date) < date) {
+    formatFunction = d3.time('.%L');
+  } else if (d3.timeMinute(date) < date) {
+    formatFunction = d3.time(':%S');
+  } else if (d3.timeHour(date) < date) {
+    formatFunction = d3.time('%-I:%M');
+  } else if (d3.timeDay(date) < date) {
+    formatFunction = d3.time('%-I %p');
+  } else if (d3.timeWeek(date) < date) {
+    formatFunction = d3.time('%a %d');
+  } else if (d3.timeMonth(date) < date) {
+    formatFunction = d3.time('%b %d');
+  } else if (d3.timeYear(date) < date) {
+    formatFunction = d3.time('%B');
+  } else {
+    formatFunction = d3.time('%Y');
+  }
+  return formatFunction(date);
+}

app/assets/javascripts/monitoring/utils/multiple_time_series.js

-import d3 from 'd3';
 import _ from 'underscore';
+import { scaleLinear, scaleTime } from 'd3-scale';
+import { line, area, curveLinear } from 'd3-shape';
+import { extent, max } from 'd3-array';
+import { timeMinute } from 'd3-time';
+
+const d3 = { scaleLinear, scaleTime, line, area, curveLinear, extent, max, timeMinute };
 
 const defaultColorPalette = {
   blue: ['#1f78d1', '#8fbce8'],
@@ -38,27 +43,27 @@ function queryTimeSeries(query, graphWidth, graphHeight, graphHeightOffset, xDom
     let lineColor = '';
     let areaColor = '';
 
-    const timeSeriesScaleX = d3.time.scale()
+    const timeSeriesScaleX = d3.scaleTime()
       .range([0, graphWidth - 70]);
 
-    const timeSeriesScaleY = d3.scale.linear()
+    const timeSeriesScaleY = d3.scaleLinear()
       .range([graphHeight - graphHeightOffset, 0]);
 
     timeSeriesScaleX.domain(xDom);
-    timeSeriesScaleX.ticks(d3.time.minute, 60);
+    timeSeriesScaleX.ticks(d3.timeMinute, 60);
     timeSeriesScaleY.domain(yDom);
 
     const defined = d => !isNaN(d.value) && d.value != null;
 
-    const lineFunction = d3.svg.line()
+    const lineFunction = d3.line()
       .defined(defined)
-      .interpolate('linear')
+      .curve(d3.curveLinear) // d3 v4 uses curbe instead of interpolate
       .x(d => timeSeriesScaleX(d.time))
       .y(d => timeSeriesScaleY(d.value));
 
-    const areaFunction = d3.svg.area()
+    const areaFunction = d3.area()
       .defined(defined)
-      .interpolate('linear')
+      .curve(d3.curveLinear)
       .x(d => timeSeriesScaleX(d.time))
       .y0(graphHeight - graphHeightOffset)
       .y1(d => timeSeriesScaleY(d.value));

app/assets/javascripts/new_commit_form.js

@@ -6,11 +6,12 @@ export default class NewCommitForm {
     this.branchName = form.find('.js-branch-name');
     this.originalBranch = form.find('.js-original-branch');
     this.createMergeRequest = form.find('.js-create-merge-request');
-    this.createMergeRequestContainer = form.find('.js-create-merge-request-container');
+    this.createMergeRequestContainer = form.find(
+      '.js-create-merge-request-container',
+    );
     this.branchName.keyup(this.renderDestination);
     this.renderDestination();
   }
-
   renderDestination() {
     var different;
     different = this.branchName.val() !== this.originalBranch.val();
@@ -23,6 +24,6 @@ export default class NewCommitForm {
       this.createMergeRequestContainer.hide();
       this.createMergeRequest.prop('checked', false);
     }
-    return this.wasDifferent = different;
+    return (this.wasDifferent = different);
   }
 }

app/assets/javascripts/pages/users/show/index.js

+import UserCallout from '~/user_callout';
+
+export default () => new UserCallout();

app/assets/javascripts/preview_markdown.js

@@ -117,12 +117,10 @@
   }());
 
   markdownPreview = new window.MarkdownPreview();
-
   previewButtonSelector = '.js-md-preview-button';
-
   writeButtonSelector = '.js-md-write-button';
-
   lastTextareaPreviewed = null;
+  const markdownToolbar = $('.md-header-toolbar');
 
   $.fn.setupMarkdownPreview = function () {
     var $form = $(this);
@@ -146,6 +144,7 @@
     // toggle content
     $form.find('.md-write-holder').hide();
     $form.find('.md-preview-holder').show();
+    markdownToolbar.removeClass('active');
     markdownPreview.showPreview($form);
   });
 
@@ -167,6 +166,7 @@
     $form.find('.md-write-holder').show();
     $form.find('textarea.markdown-area').focus();
     $form.find('.md-preview-holder').hide();
+    markdownToolbar.addClass('active');
 
     markdownPreview.hideReferencedCommands($form);
   });

app/assets/javascripts/repo/stores/actions/branch.js

-import service from '../../services';
-import * as types from '../mutation_types';
-import { pushState } from '../utils';
-
-// eslint-disable-next-line import/prefer-default-export
-export const createNewBranch = ({ state, commit }, branch) => service.createBranch(
-  state.project.id,
-  {
-    branch,
-    ref: state.currentBranch,
-  },
-).then(res => res.json())
-.then((data) => {
-  const branchName = data.name;
-  const url = location.href.replace(state.currentBranch, branchName);
-
-  pushState(url);
-
-  commit(types.SET_CURRENT_BRANCH, branchName);
-});

app/assets/javascripts/repo/stores/mutations/branch.js

-import * as types from '../mutation_types';
-
-export default {
-  [types.SET_CURRENT_BRANCH](state, currentBranch) {
-    Object.assign(state, {
-      currentBranch,
-    });
-  },
-};

app/assets/javascripts/users/activity_calendar.js

 import _ from 'underscore';
-import d3 from 'd3';
+import { scaleLinear, scaleThreshold } from 'd3-scale';
+import { select } from 'd3-selection';
 import { getDayName, getDayDifference } from '../lib/utils/datetime_utility';
 
+const d3 = { select, scaleLinear, scaleThreshold };
+
 const LOADING_HTML = `
   <div class="text-center">
     <i class="fa fa-spinner fa-spin user-calendar-activities-loading"></i>
@@ -28,7 +31,7 @@ function formatTooltipText({ date, count }) {
   return `${contribText}<br />${dateDayName} ${dateText}`;
 }
 
-const initColorKey = () => d3.scale.linear().range(['#acd5f2', '#254e77']).domain([0, 3]);
+const initColorKey = () => d3.scaleLinear().range(['#acd5f2', '#254e77']).domain([0, 3]);
 
 export default class ActivityCalendar {
   constructor(container, timestamps, calendarActivitiesPath, utcOffset = 0) {
@@ -205,7 +208,7 @@ export default class ActivityCalendar {
 
   initColor() {
     const colorRange = ['#ededed', this.colorKey(0), this.colorKey(1), this.colorKey(2), this.colorKey(3)];
-    return d3.scale.threshold().domain([0, 10, 20, 30]).range(colorRange);
+    return d3.scaleThreshold().domain([0, 10, 20, 30]).range(colorRange);
   }
 
   clickDay(stamp) {

app/assets/javascripts/vue_shared/components/markdown/header.vue

@@ -72,7 +72,9 @@
           Preview
         </a>
       </li>
-      <li class="md-header-toolbar">
+      <li
+        class="md-header-toolbar"
+        :class="{ active: !previewMarkdown }">
         <toolbar-button
           tag="**"
           button-title="Add bold text"

app/assets/javascripts/vue_shared/components/project_avatar/image.vue

+<script>
+
+/* This is a re-usable vue component for rendering a project avatar that
+  does not need to link to the project's profile. The image and an optional
+  tooltip can be configured by props passed to this component.
+
+  Sample configuration:
+
+  <project-avatar-image
+    :lazy="true"
+    :img-src="projectAvatarSrc"
+    :img-alt="tooltipText"
+    :tooltip-text="tooltipText"
+    tooltip-placement="top"
+  />
+
+*/
+
+import defaultAvatarUrl from 'images/no_avatar.png';
+import { placeholderImage } from '../../../lazy_loader';
+import tooltip from '../../directives/tooltip';
+
+export default {
+  name: 'ProjectAvatarImage',
+  props: {
+    lazy: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+    imgSrc: {
+      type: String,
+      required: false,
+      default: defaultAvatarUrl,
+    },
+    cssClasses: {
+      type: String,
+      required: false,
+      default: '',
+    },
+    imgAlt: {
+      type: String,
+      required: false,
+      default: 'project avatar',
+    },
+    size: {
+      type: Number,
+      required: false,
+      default: 20,
+    },
+    tooltipText: {
+      type: String,
+      required: false,
+      default: '',
+    },
+    tooltipPlacement: {
+      type: String,
+      required: false,
+      default: 'top',
+    },
+  },
+  directives: {
+    tooltip,
+  },
+  computed: {
+    // API response sends null when gravatar is disabled and
+    // we provide an empty string when we use it inside project avatar link.
+    // In both cases we should render the defaultAvatarUrl
+    sanitizedSource() {
+      return this.imgSrc === '' || this.imgSrc === null ? defaultAvatarUrl : this.imgSrc;
+    },
+    resultantSrcAttribute() {
+      return this.lazy ? placeholderImage : this.sanitizedSource;
+    },
+    tooltipContainer() {
+      return this.tooltipText ? 'body' : null;
+    },
+    avatarSizeClass() {
+      return `s${this.size}`;
+    },
+  },
+};
+</script>
+
+<template>
+  <img
+    v-tooltip
+    class="avatar"
+    :class="{
+      lazy,
+      [avatarSizeClass]: true,
+      [cssClasses]: true
+    }"
+    :src="resultantSrcAttribute"
+    :width="size"
+    :height="size"
+    :alt="imgAlt"
+    :data-src="sanitizedSource"
+    :data-container="tooltipContainer"
+    :data-placement="tooltipPlacement"
+    :title="tooltipText"
+  />
+</template>

app/assets/javascripts/vue_shared/components/table_pagination.vue

@@ -122,11 +122,17 @@ export default {
 
       return items;
     },
+    showPagination() {
+      return this.pageInfo.totalPages > 1;
+    },
   },
 };
 </script>
 <template>
-  <div class="gl-pagination">
+  <div
+    v-if="showPagination"
+    class="gl-pagination"
+  >
     <ul class="pagination clearfix">
       <li
         v-for="item in getItems"

app/assets/stylesheets/framework/contextual-sidebar.scss

@@ -23,7 +23,6 @@
 .context-header {
   position: relative;
   margin-right: 2px;
-  width: $contextual-sidebar-width;
 
   a {
     transition: padding $sidebar-transition-duration;

app/assets/stylesheets/framework/markdown_area.scss

@@ -74,7 +74,7 @@
 }
 
 .md-header-tab {
-  @media(max-width: $screen-xs-max) {
+  @media (max-width: $screen-xs-max) {
     flex: 1;
     width: 100%;
     border-bottom: 1px solid $border-color;
@@ -82,16 +82,23 @@
   }
 }
 
-.md-header-toolbar {
-  margin-left: auto;
+.nav-links {
+  li.md-header-toolbar {
+    margin-left: auto;
+    display: none;
 
-  @media(max-width: $screen-xs-max) {
-    flex: none;
-    display: flex;
-    justify-content: center;
-    width: 100%;
-    padding-top: $gl-padding-top;
-    padding-bottom: $gl-padding-top;
+    &.active {
+      display: block;
+
+      @media (max-width: $screen-xs-max) {
+        flex: none;
+        display: flex;
+        justify-content: center;
+        width: 100%;
+        padding-top: $gl-padding-top;
+        padding-bottom: $gl-padding-top;
+      }
+    }
   }
 }
 
@@ -175,7 +182,7 @@
   margin-left: $gl-padding;
   margin-right: -5px;
 
-  @media(max-width: $screen-xs-max) {
+  @media (max-width: $screen-xs-max) {
     margin-left: 0;
     margin-right: 0;
   }
@@ -239,7 +246,7 @@
   }
 }
 
-@media(max-width: $screen-xs-max) {
+@media (max-width: $screen-xs-max) {
   .atwho-view-ul {
     width: 350px;
   }

app/assets/stylesheets/framework/variables.scss

@@ -219,6 +219,7 @@ $gl-input-padding: 10px;
 $gl-vert-padding: 6px;
 $gl-padding-top: 10px;
 $gl-sidebar-padding: 22px;
+$gl-bar-padding: 3px;
 
 /*
  * Misc

app/assets/stylesheets/pages/repo.scss

@@ -22,9 +22,10 @@
   }
 }
 
-.multi-file {
+.ide-view {
   display: flex;
-  height: calc(100vh - 145px);
+  height: calc(100vh - #{$header-height});
+  color: $almost-black;
   border-top: 1px solid $white-dark;
   border-bottom: 1px solid $white-dark;
 
@@ -35,12 +36,47 @@
   }
 }
 
+.with-performance-bar .ide-view {
+  height: calc(100vh - #{$header-height});
+}
+
 .ide-file-list {
   flex: 1;
-  overflow: scroll;
 
   .file {
     cursor: pointer;
+
+    &.file-open {
+      background: $white-normal;
+    }
+
+    .repo-file-name {
+      white-space: nowrap;
+      text-overflow: ellipsis;
+    }
+
+    .unsaved-icon {
+      color: $indigo-700;
+      float: right;
+      font-size: smaller;
+      line-height: 20px;
+    }
+
+    .repo-new-btn {
+      display: none;
+      margin-top: -4px;
+      margin-bottom: -4px;
+    }
+
+    &:hover {
+      .repo-new-btn {
+        display: block;
+      }
+
+      .unsaved-icon {
+        display: none;
+      }
+    }
   }
 
   a {
@@ -55,10 +91,9 @@
 
 .multi-file-table-name,
 .multi-file-table-col-commit-message {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
+  overflow: visible;
   max-width: 0;
+  padding: 6px 12px;
 }
 
 .multi-file-table-name {
@@ -66,6 +101,7 @@
 }
 
 .multi-file-table-col-commit-message {
+  white-space: nowrap;
   width: 50%;
 }
 
@@ -79,7 +115,7 @@
 
 .multi-file-tabs {
   display: flex;
-  overflow: scroll;
+  overflow-x: auto;
   background-color: $white-normal;
   box-shadow: inset 0 -1px $white-dark;
 
@@ -128,9 +164,38 @@
   height: 0;
 }
 
+.blob-editor-container {
+  flex: 1;
+  height: 0;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+
+  .vertical-center {
+    min-height: auto;
+  }
+}
+
+.multi-file-editor-holder {
+  height: 100%;
+}
+
 .multi-file-editor-btn-group {
-  padding: $grid-size;
+  padding: $gl-bar-padding $gl-padding;
   border-top: 1px solid $white-dark;
+  border-bottom: 1px solid $white-dark;
+  background: $white-light;
+}
+
+.ide-status-bar {
+  padding: $gl-bar-padding $gl-padding;
+  background: $white-light;
+  display: flex;
+  justify-content: space-between;
+
+  svg {
+    vertical-align: middle;
+  }
 }
 
 // Not great, but this is to deal with our current output
@@ -138,10 +203,6 @@
   height: 100%;
   overflow: scroll;
 
-  .blob-viewer {
-    height: 100%;
-  }
-
   .file-content.code {
     display: flex;
 
@@ -162,18 +223,101 @@
   }
 }
 
+.file-content.blob-no-preview {
+  a {
+    margin-left: auto;
+    margin-right: auto;
+  }
+}
+
 .multi-file-commit-panel {
   display: flex;
   flex-direction: column;
   height: 100%;
   width: 290px;
-  padding: $gl-padding;
+  padding: 0;
   background-color: $gray-light;
   border-left: 1px solid $white-dark;
 
+  .projects-sidebar {
+    display: flex;
+    flex-direction: column;
+  }
+
+  .multi-file-commit-panel-inner {
+    display: flex;
+    flex: 1;
+    flex-direction: column;
+  }
+
+  .multi-file-commit-panel-inner-scroll {
+    display: flex;
+    flex: 1;
+    flex-direction: column;
+    overflow: auto;
+  }
+
   &.is-collapsed {
     width: 60px;
-    padding: 0;
+
+    .multi-file-commit-list {
+      padding-top: $gl-padding;
+      overflow: hidden;
+    }
+
+    .multi-file-context-bar-icon {
+      align-items: center;
+
+      svg {
+        float: none;
+        margin: 0;
+      }
+    }
+  }
+
+  .branch-container {
+    border-left: 4px solid $indigo-700;
+    margin-bottom: $gl-bar-padding;
+  }
+
+  .branch-header {
+    background: $white-dark;
+    display: flex;
+  }
+
+  .branch-header-title {
+    flex: 1;
+    padding: $grid-size $gl-padding;
+    color: $indigo-700;
+    font-weight: $gl-font-weight-bold;
+
+    svg {
+      vertical-align: middle;
+    }
+  }
+
+  .branch-header-btns {
+    padding: $gl-vert-padding $gl-padding;
+  }
+
+  .left-collapse-btn {
+    display: none;
+    background: $gray-light;
+    text-align: left;
+    border-top: 1px solid $white-dark;
+
+    svg {
+      vertical-align: middle;
+    }
+  }
+}
+
+.multi-file-context-bar-icon {
+  padding: 10px;
+
+  svg {
+    margin-right: 10px;
+    float: left;
   }
 }
 
@@ -186,9 +330,9 @@
 .multi-file-commit-panel-header {
   display: flex;
   align-items: center;
-  padding: 0 0 12px;
   margin-bottom: 12px;
   border-bottom: 1px solid $white-dark;
+  padding: $gl-btn-padding 0;
 
   &.is-collapsed {
     border-bottom: 1px solid $white-dark;
@@ -197,23 +341,33 @@
       margin-left: auto;
       margin-right: auto;
     }
+
+    .multi-file-commit-panel-collapse-btn {
+      margin-right: auto;
+      margin-left: auto;
+      border-left: 0;
+    }
   }
 }
 
-.multi-file-commit-panel-collapse-btn {
-  padding-top: 0;
-  padding-bottom: 0;
-  margin-left: auto;
-  font-size: 20px;
+.multi-file-commit-panel-header-title {
+  display: flex;
+  flex: 1;
+  padding: $gl-btn-padding;
 
-  &.is-collapsed {
-    margin-right: auto;
+  svg {
+    margin-right: $gl-btn-padding;
   }
 }
 
+.multi-file-commit-panel-collapse-btn {
+  border-left: 1px solid $white-dark;
+}
+
 .multi-file-commit-list {
   flex: 1;
-  overflow: scroll;
+  overflow: auto;
+  padding: $gl-padding;
 }
 
 .multi-file-commit-list-item {
@@ -244,7 +398,7 @@
 }
 
 .multi-file-commit-form {
-  padding-top: 12px;
+  padding: $gl-padding;
   border-top: 1px solid $white-dark;
 }
 
@@ -295,3 +449,40 @@
     }
   }
 }
+
+.ide-loading {
+  display: flex;
+  height: 100vh;
+  align-items: center;
+  justify-content: center;
+}
+
+.ide-empty-state {
+  display: flex;
+  height: 100vh;
+  align-items: center;
+  justify-content: center;
+}
+
+.repo-new-btn {
+  .dropdown-toggle svg {
+    margin-top: -2px;
+    margin-bottom: 2px;
+  }
+
+  .dropdown-menu {
+    left: auto;
+    right: 0;
+
+    label {
+      font-weight: $gl-font-weight-normal;
+      padding: 5px 8px;
+      margin-bottom: 0;
+    }
+  }
+}
+
+.ide-flash-container.flash-container {
+  margin-top: $header-height;
+  margin-bottom: 0;
+}

app/assets/stylesheets/pages/stat_graph.scss

@@ -10,7 +10,6 @@
 }
 
 .axis {
-  fill: $stat-graph-axis-fill;
   font-size: 10px;
 }
 
@@ -54,9 +53,7 @@
 }
 
 .selection rect {
-  fill: $stat-graph-selection-fill;
   fill-opacity: 0.1;
-  stroke: $stat-graph-selection-stroke;
   stroke-width: 1px;
   stroke-opacity: 0.4;
   shape-rendering: crispedges;

app/controllers/autocomplete_controller.rb

@@ -8,12 +8,12 @@ class AutocompleteController < ApplicationController
   def users
     @users = AutocompleteUsersFinder.new(params: params, current_user: current_user, project: @project, group: @group).execute
 
-    render json: @users, only: [:name, :username, :id], methods: [:avatar_url]
+    render json: UserSerializer.new.represent(@users)
   end
 
   def user
     @user = User.find(params[:id])
-    render json: @user, only: [:name, :username, :id], methods: [:avatar_url]
+    render json: UserSerializer.new.represent(@user)
   end
 
   def projects

app/controllers/ide_controller.rb

+class IdeController < ApplicationController
+  layout 'nav_only'
+
+  def index
+  end
+end

app/controllers/projects/blob_controller.rb

@@ -5,9 +5,6 @@ class Projects::BlobController < Projects::ApplicationController
   include RendersBlob
   include ActionView::Helpers::SanitizeHelper
 
-  # Raised when given an invalid file path
-  InvalidPathError = Class.new(StandardError)
-
   prepend_before_action :authenticate_user!, only: [:edit]
 
   before_action :require_non_empty_project, except: [:new, :create]
@@ -61,7 +58,6 @@ class Projects::BlobController < Projects::ApplicationController
     create_commit(Files::UpdateService, success_path: -> { after_edit_path },
                                         failure_view: :edit,
                                         failure_path: project_blob_path(@project, @id))
-
   rescue Files::UpdateService::FileChangedError
     @conflict = true
     render :edit
@@ -132,7 +128,6 @@ class Projects::BlobController < Projects::ApplicationController
   def assign_blob_vars
     @id = params[:id]
     @ref, @path = extract_ref(@id)
-
   rescue InvalidPathError
     render_404
   end

app/helpers/application_helper.rb

@@ -306,7 +306,7 @@ module ApplicationHelper
     cookies["sidebar_collapsed"] == "true"
   end
 
-  def show_new_repo?
+  def show_new_ide?
     cookies["new_repo"] == "true" && body_data_page != 'projects:show'
   end
 

app/helpers/blob_helper.rb

@@ -8,7 +8,7 @@ module BlobHelper
     %w(credits changelog news copying copyright license authors)
   end
 
-  def edit_path(project = @project, ref = @ref, path = @path, options = {})
+  def edit_blob_path(project = @project, ref = @ref, path = @path, options = {})
     project_edit_blob_path(project,
                                      tree_join(ref, path),
                                      options[:link_opts])
@@ -26,10 +26,10 @@ module BlobHelper
       button_tag 'Edit', class: "#{common_classes} disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
     # This condition applies to anonymous or users who can edit directly
     elsif !current_user || (current_user && can_modify_blob?(blob, project, ref))
-      link_to 'Edit', edit_path(project, ref, path, options), class: "#{common_classes} btn-sm"
+      link_to 'Edit', edit_blob_path(project, ref, path, options), class: "#{common_classes} btn-sm"
     elsif current_user && can?(current_user, :fork_project, project)
       continue_params = {
-        to: edit_path(project, ref, path, options),
+        to: edit_blob_path(project, ref, path, options),
         notice: edit_in_new_fork_notice,
         notice_now: edit_in_new_fork_notice_now
       }
@@ -41,6 +41,43 @@ module BlobHelper
     end
   end
 
+  def ide_edit_path(project = @project, ref = @ref, path = @path, options = {})
+    "#{ide_path}/project#{edit_blob_path(project, ref, path, options)}"
+  end
+
+  def ide_edit_text
+    "#{_('Multi Edit')} <span class='label label-primary'>#{_('Beta')}</span>".html_safe
+  end
+
+  def ide_blob_link(project = @project, ref = @ref, path = @path, options = {})
+    return unless show_new_ide?
+
+    blob = options.delete(:blob)
+    blob ||= project.repository.blob_at(ref, path) rescue nil
+
+    return unless blob && blob.readable_text?
+
+    common_classes = "btn js-edit-ide #{options[:extra_class]}"
+
+    if !on_top_of_branch?(project, ref)
+      button_tag ide_edit_text, class: "#{common_classes} disabled has-tooltip", title: _('You can only edit files when you are on a branch'), data: { container: 'body' }
+    # This condition applies to anonymous or users who can edit directly
+    elsif current_user && can_modify_blob?(blob, project, ref)
+      link_to ide_edit_text, ide_edit_path(project, ref, path, options), class: "#{common_classes} btn-sm"
+    elsif current_user && can?(current_user, :fork_project, project)
+      continue_params = {
+        to: ide_edit_path(project, ref, path, options),
+        notice: edit_in_new_fork_notice,
+        notice_now: edit_in_new_fork_notice_now
+      }
+      fork_path = project_forks_path(project, namespace_key: current_user.namespace.id, continue: continue_params)
+
+      button_tag ide_edit_text,
+        class: common_classes,
+        data: { fork_path: fork_path }
+    end
+  end
+
   def modify_file_link(project = @project, ref = @ref, path = @path, label:, action:, btn_class:, modal_type:)
     return unless current_user
 

app/helpers/form_helper.rb

@@ -35,7 +35,7 @@ module FormHelper
         multi_select: true,
         'input-meta': 'name',
         'always-show-selectbox': true,
-        current_user_info: current_user.to_json(only: [:id, :name])
+        current_user_info: UserSerializer.new.represent(current_user)
       }
     }
   end

app/helpers/issuables_helper.rb

@@ -362,7 +362,7 @@ module IssuablesHelper
       moveIssueEndpoint: move_namespace_project_issue_path(namespace_id: issuable.project.namespace.to_param, project_id: issuable.project, id: issuable),
       projectsAutocompleteEndpoint: autocomplete_projects_path(project_id: @project.id),
       editable: can_edit_issuable,
-      currentUser: current_user.as_json(only: [:username, :id, :name], methods: :avatar_url),
+      currentUser: UserSerializer.new.represent(current_user),
       rootPath: root_path,
       fullPath: @project.full_path
     }

app/helpers/search_helper.rb

@@ -139,7 +139,7 @@ module SearchHelper
         id: "filtered-search-#{type}",
         placeholder: 'Search or filter results...',
         data: {
-          'username-params' => @users.to_json(only: [:id, :username])
+          'username-params' => UserSerializer.new.represent(@users)
         },
         autocomplete: 'off'
       }

app/helpers/sorting_helper.rb

@@ -43,14 +43,20 @@ module SortingHelper
   end
 
   def groups_sort_options_hash
-    options = {
+    {
+      sort_value_name => sort_title_name,
+      sort_value_name_desc => sort_title_name_desc,
       sort_value_recently_created => sort_title_recently_created,
       sort_value_oldest_created => sort_title_oldest_created,
       sort_value_recently_updated => sort_title_recently_updated,
       sort_value_oldest_updated => sort_title_oldest_updated
     }
+  end
 
-    options
+  def admin_groups_sort_options_hash
+    groups_sort_options_hash.merge(
+      sort_value_largest_group => sort_title_largest_group
+    )
   end
 
   def member_sort_options_hash

app/models/concerns/blocks_json_serialization.rb

+# Overrides `as_json` and `to_json` to raise an exception when called in order
+# to prevent accidentally exposing attributes
+#
+# Not that that would ever happen... but just in case.
+module BlocksJsonSerialization
+  extend ActiveSupport::Concern
+
+  JsonSerializationError = Class.new(StandardError)
+
+  def to_json(*)
+    raise JsonSerializationError,
+      "JSON serialization has been disabled on #{self.class.name}"
+  end
+
+  alias_method :as_json, :to_json
+end

app/models/concerns/time_trackable.rb

@@ -24,7 +24,7 @@ module TimeTrackable
   # rubocop:disable Gitlab/ModuleWithInstanceVariables
   def spend_time(options)
     @time_spent = options[:duration]
-    @time_spent_user = options[:user]
+    @time_spent_user = User.find(options[:user_id])
     @spent_at = options[:spent_at]
     @original_total_time_spent = nil
 

app/models/identity.rb

@@ -8,6 +8,8 @@ class Identity < ActiveRecord::Base
   validates :extern_uid, allow_blank: true, uniqueness: { scope: :provider, case_sensitive: false }
   validates :user_id, uniqueness: { scope: :provider }
 
+  before_save :ensure_normalized_extern_uid, if: :extern_uid_changed?
+
   scope :with_provider, ->(provider) { where(provider: provider) }
   scope :with_extern_uid, ->(provider, extern_uid) do
     iwhere(extern_uid: normalize_uid(provider, extern_uid)).with_provider(provider)
@@ -24,4 +26,12 @@ class Identity < ActiveRecord::Base
       uid.to_s
     end
   end
+
+  private
+
+  def ensure_normalized_extern_uid
+    return if extern_uid.nil?
+
+    self.extern_uid = Identity.normalize_uid(self.provider, self.extern_uid)
+  end
 end

app/models/project.rb

@@ -1148,7 +1148,7 @@ class Project < ActiveRecord::Base
   def change_head(branch)
     if repository.branch_exists?(branch)
       repository.before_change_head
-      repository.write_ref('HEAD', "refs/heads/#{branch}", force: true)
+      repository.write_ref('HEAD', "refs/heads/#{branch}")
       repository.copy_gitattributes(branch)
       repository.after_change_head
       reload_default_branch

app/models/repository.rb

@@ -19,7 +19,6 @@ class Repository
   attr_accessor :full_path, :disk_path, :project, :is_wiki
 
   delegate :ref_name_for_sha, to: :raw_repository
-  delegate :write_ref, to: :raw_repository
 
   CreateTreeError = Class.new(StandardError)
 
@@ -256,10 +255,11 @@ class Repository
 
     # This will still fail if the file is corrupted (e.g. 0 bytes)
     begin
-      write_ref(keep_around_ref_name(sha), sha, force: true)
-    rescue Gitlab::Git::Repository::GitError => ex
-      # Necessary because https://gitlab.com/gitlab-org/gitlab-ce/issues/20156
-      return true if ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
+      write_ref(keep_around_ref_name(sha), sha)
+    rescue Rugged::ReferenceError => ex
+      Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
+    rescue Rugged::OSError => ex
+      raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
 
       Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
     end
@@ -269,6 +269,10 @@ class Repository
     ref_exists?(keep_around_ref_name(sha))
   end
 
+  def write_ref(ref_path, sha)
+    rugged.references.create(ref_path, sha, force: true)
+  end
+
   def diverging_commit_counts(branch)
     root_ref_hash = raw_repository.commit(root_ref).id
     cache.fetch(:"diverging_commit_counts_#{branch.name}") do
@@ -1015,7 +1019,7 @@ class Repository
   end
 
   def create_ref(ref, ref_path)
-    write_ref(ref_path, ref)
+    raw_repository.write_ref(ref_path, ref)
   end
 
   def ls_files(ref)

app/models/user.rb

@@ -18,6 +18,7 @@ class User < ActiveRecord::Base
   include CreatedAtFilterable
   include IgnorableColumn
   include BulkMemberAccessLoad
+  include BlocksJsonSerialization
 
   DEFAULT_NOTIFICATION_LEVEL = :participating
 

app/serializers/merge_request_serializer.rb

@@ -7,7 +7,7 @@ class MergeRequestSerializer < BaseSerializer
       case opts[:serializer]
       when 'basic', 'sidebar'
         MergeRequestBasicEntity
-      when 'widget'
+      else # It's 'widget'
         MergeRequestWidgetEntity
       end
 

app/services/files/base_service.rb

 module Files
   class BaseService < Commits::CreateService
+    FileChangedError = Class.new(StandardError)
+
     def initialize(*args)
       super
 
       @author_email = params[:author_email]
       @author_name = params[:author_name]
       @commit_message = params[:commit_message]
+      @last_commit_sha = params[:last_commit_sha]
 
       @file_path = params[:file_path]
       @previous_path = params[:previous_path]
@@ -13,5 +16,16 @@ module Files
       @file_content = params[:file_content]
       @file_content = Base64.decode64(@file_content) if params[:file_content_encoding] == 'base64'
     end
+
+    def file_has_changed?(path, commit_id)
+      return false unless commit_id
+
+      last_commit = Gitlab::Git::Commit
+        .last_for_path(@start_project.repository, @start_branch, path)
+
+      return false unless last_commit
+
+      last_commit.sha != commit_id
+    end
   end
 end

app/services/files/delete_service.rb

@@ -11,5 +11,15 @@ module Files
         start_project: @start_project,
         start_branch_name: @start_branch)
     end
+
+    private
+
+    def validate!
+      super
+
+      if file_has_changed?(@file_path, @last_commit_sha)
+        raise FileChangedError, "You are attempting to delete a file that has been previously updated."
+      end
+    end
   end
 end

app/services/files/multi_service.rb

 module Files
   class MultiService < Files::BaseService
+    UPDATE_FILE_ACTIONS = %w(update move delete).freeze
+
     def create_commit!
       repository.multi_action(
         user: current_user,
@@ -20,6 +22,7 @@ module Files
 
       params[:actions].each do |action|
         validate_action!(action)
+        validate_file_status!(action)
       end
     end
 
@@ -28,5 +31,15 @@ module Files
         raise_error("Unknown action '#{action[:action]}'")
       end
     end
+
+    def validate_file_status!(action)
+      return unless UPDATE_FILE_ACTIONS.include?(action[:action])
+
+      file_path = action[:previous_path] || action[:file_path]
+
+      if file_has_changed?(file_path, action[:last_commit_id])
+        raise_error("The file has changed since you started editing it: #{file_path}")
+      end
+    end
   end
 end

app/services/files/update_service.rb

 module Files
   class UpdateService < Files::BaseService
-    FileChangedError = Class.new(StandardError)
-
-    def initialize(*args)
-      super
-
-      @last_commit_sha = params[:last_commit_sha]
-    end
-
     def create_commit!
       repository.update_file(current_user, @file_path, @file_content,
                              message: @commit_message,
@@ -21,21 +13,10 @@ module Files
 
     private
 
-    def file_has_changed?
-      return false unless @last_commit_sha && last_commit
-
-      @last_commit_sha != last_commit.sha
-    end
-
-    def last_commit
-      @last_commit ||= Gitlab::Git::Commit
-        .last_for_path(@start_project.repository, @start_branch, @file_path)
-    end
-
     def validate!
       super
 
-      if file_has_changed?
+      if file_has_changed?(@file_path, @last_commit_sha)
         raise FileChangedError, "You are attempting to update a file that has changed since you started editing it."
       end
     end