Fix blob and repo stuff after gitlab_git v3

app/assets/stylesheets/gitlab_bootstrap/files.scss

@@ -69,6 +69,12 @@
 
     }
 
+    &.blob-no-preview {
+      background: #eee;
+      text-shadow: 0 1px 2px #FFF;
+      padding: 100px 0;
+    }
+
     /**
      *  Blame file
      */

app/controllers/projects/blob_controller.rb

@@ -9,5 +9,7 @@ class Projects::BlobController < Projects::ApplicationController
 
   def show
     @blob = Gitlab::Git::Blob.find(@repository, @commit.id, @path)
+
+    not_found! unless @blob
   end
 end

app/models/repository.rb

@@ -5,7 +5,7 @@ class Repository
 
   def initialize(path_with_namespace, default_branch)
     @path_with_namespace = path_with_namespace
-    @raw_repository = Gitlab::Git::Repository.new(path_to_repo)
+    @raw_repository = Gitlab::Git::Repository.new(path_to_repo) if path_with_namespace
   rescue Gitlab::Git::Repository::NoRepository
     nil
   end

app/views/projects/blob/_download.html.haml

-.file-content.blob_file
+.file-content.blob_file.blob-no-preview
   %center
     = link_to project_raw_path(@project, @id) do
-      %div.padded
-        %h4
-          %i.icon-download-alt
-          %br
-          Download (#{number_to_human_size blob.size})
+      %h1.light
+        %i.icon-download-alt
+      %h4
+        Download (#{number_to_human_size blob.size})

lib/api/repositories.rb

@@ -139,7 +139,7 @@ module API
         path = params[:path] || nil
 
         commit = user_project.repository.commit(ref)
-        tree = Tree.new(user_project.repository, commit.id, ref, path)
+        tree = Tree.new(user_project.repository, commit.id, path)
 
         trees = []
 
@@ -168,8 +168,8 @@ module API
         commit = repo.commit(ref)
         not_found! "Commit" unless commit
 
-        blob = Gitlab::Git::Blob.new(repo, commit.id, ref, params[:filepath])
-        not_found! "File" unless blob.exists?
+        blob = Gitlab::Git::Blob.find(repo, commit.id, params[:filepath])
+        not_found! "File" unless blob
 
         env['api.format'] = :txt
 

lib/extracts_path.rb

@@ -107,6 +107,8 @@ module ExtractsPath
       @commit = @repo.commit(@options[:extended_sha1])
     end
 
+    raise InvalidPathError unless @commit
+
     @hex_path = Digest::SHA1.hexdigest(@path)
     @logs_path = logs_file_project_ref_path(@project, @ref, @path)