Commit f680eca9 authored by Sean McGivern's avatar Sean McGivern

Don't allow merges with new commits

Set a `sha` parameter on the MR form. If this doesn't match the HEAD of
the source branch when the form is submitted, show a warning (like with
a merge conflict) and don't merge the branch.
parent d863d86a
......@@ -14,6 +14,7 @@ v 8.9.0 (unreleased)
- Redesign account and email confirmation emails
- Use gitlab-shell v3.0.0
- Add `sha` parameter to MR merge API, to ensure only reviewed changes are merged
- Don't allow MRs to be merged when commits were added since the last review / page load
- Add DB index on users.state
- Add rake task 'gitlab:db:configure' for conditionally seeding or migrating the database
- Changed the Slack build message to use the singular duration if necessary (Aran Koning)
......
......@@ -190,6 +190,11 @@ class Projects::MergeRequestsController < Projects::ApplicationController
return
end
if params[:sha] != @merge_request.source_sha
@status = :sha_mismatch
return
end
TodoService.new.merge_merge_request(merge_request, current_user)
@merge_request.update(merge_error: nil)
......
......@@ -5,6 +5,9 @@
- when :merge_when_build_succeeds
:plain
$('.mr-widget-body').html("#{escape_javascript(render('projects/merge_requests/widget/open/merge_when_build_succeeds'))}");
- when :sha_mismatch
:plain
$('.mr-widget-body').html("#{escape_javascript(render('projects/merge_requests/widget/open/sha_mismatch'))}");
- else
:plain
$('.mr-widget-body').html("#{escape_javascript(render('projects/merge_requests/widget/open/reload'))}");
......@@ -2,6 +2,7 @@
= form_for [:merge, @project.namespace.becomes(Namespace), @project, @merge_request], remote: true, method: :post, html: { class: 'accept-mr-form js-quick-submit js-requires-input' } do |f|
= hidden_field_tag :authenticity_token, form_authenticity_token
= hidden_field_tag :sha, @merge_request.source_sha
.accept-merge-holder.clearfix.js-toggle-container
.clearfix
.accept-action
......
......@@ -16,7 +16,7 @@
- if remove_source_branch_button || user_can_cancel_automatic_merge
.clearfix.prepend-top-10
- if remove_source_branch_button
= link_to merge_namespace_project_merge_request_path(@merge_request.target_project.namespace, @merge_request.target_project, @merge_request, merge_when_build_succeeds: true, should_remove_source_branch: true), remote: true, method: :post, class: "btn btn-grouped btn-primary btn-sm remove_source_branch" do
= link_to merge_namespace_project_merge_request_path(@merge_request.target_project.namespace, @merge_request.target_project, @merge_request, merge_when_build_succeeds: true, should_remove_source_branch: true, sha: @merge_request.source_sha), remote: true, method: :post, class: "btn btn-grouped btn-primary btn-sm remove_source_branch" do
= icon('times')
Remove Source Branch When Merged
......
%h4
= icon("exclamation-triangle")
This merge request has new commits since the page was loaded.
%p
Please review the new commits before merging.
......@@ -185,6 +185,92 @@ describe Projects::MergeRequestsController do
end
end
describe 'POST #merge' do
let(:base_params) do
{
namespace_id: project.namespace.path,
project_id: project.path,
id: merge_request.iid,
format: 'raw'
}
end
context 'when the user does not have access' do
before do
project.team.truncate
project.team << [user, :reporter]
post :merge, base_params
end
it 'returns not found' do
expect(response).to be_not_found
end
end
context 'when the merge request is not mergeable' do
before do
merge_request.update_attributes(title: "WIP: #{merge_request.title}")
post :merge, base_params
end
it 'returns :failed' do
expect(assigns(:status)).to eq(:failed)
end
end
context 'when the sha parameter does not match the source SHA' do
before { post :merge, base_params.merge(sha: 'foo') }
it 'returns :sha_mismatch' do
expect(assigns(:status)).to eq(:sha_mismatch)
end
end
context 'when the sha parameter matches the source SHA' do
def merge_with_sha
post :merge, base_params.merge(sha: merge_request.source_sha)
end
it 'returns :success' do
merge_with_sha
expect(assigns(:status)).to eq(:success)
end
it 'starts the merge immediately' do
expect(MergeWorker).to receive(:perform_async).with(merge_request.id, anything, anything)
merge_with_sha
end
context 'when merge_when_build_succeeds is passed' do
def merge_when_build_succeeds
post :merge, base_params.merge(sha: merge_request.source_sha, merge_when_build_succeeds: '1')
end
before do
create(:ci_empty_commit, project: project, sha: merge_request.source_sha, ref: merge_request.source_branch)
end
it 'returns :merge_when_build_succeeds' do
merge_when_build_succeeds
expect(assigns(:status)).to eq(:merge_when_build_succeeds)
end
it 'sets the MR to merge when the build succeeds' do
service = double(:merge_when_build_succeeds_service)
expect(MergeRequests::MergeWhenBuildSucceedsService).to receive(:new).with(project, anything, anything).and_return(service)
expect(service).to receive(:execute).with(merge_request)
merge_when_build_succeeds
end
end
end
end
describe "DELETE #destroy" do
it "denies access to users unless they're admin or project owner" do
delete :destroy, namespace_id: project.namespace.path, project_id: project.path, id: merge_request.iid
......
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