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Commit 6c1690fc by Artem Sidorenko
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Allow empty merge requests

parent b26a3d53
Showing with 72 additions and 49 deletions
CHANGELOG
......@@ -80,6 +80,7 @@ v 8.13.0 (unreleased)
- Changed Slack service user referencing from full name to username (Sebastian Poxhofer)
- Retouch environments list and deployments list
- Add Container Registry on/off status to Admin Area !6638 (the-undefined)
- Allow empty merge requests !6384 (Artem Sidorenko)
- Grouped pipeline dropdown is a scrollable container
- Fix a typo in doc/api/labels.md
......
app/assets/stylesheets/pages/merge_requests.scss
......@@ -204,6 +204,18 @@
word-break: break-all;
}
.commits-empty {
text-align: center;
h4 {
padding-top: 20px;
padding-bottom: 10px;
}
svg {
width: 230px;
}
}
.mr-list {
.merge-request {
padding: 10px 15px;
......
app/services/merge_requests/build_service.rb
......@@ -4,7 +4,7 @@ module MergeRequests
merge_request = MergeRequest.new(params)
# Set MR attributes
merge_request.can_be_created = false
merge_request.can_be_created = true
merge_request.compare_commits = []
merge_request.source_project = project unless merge_request.source_project
......@@ -22,6 +22,12 @@ module MergeRequests
return build_failed(merge_request, message)
end
if merge_request.source_project == merge_request.target_project &&
merge_request.target_branch == merge_request.source_branch
return build_failed(merge_request, 'You must select different branches')
end
compare = CompareService.new.execute(
merge_request.source_project,
merge_request.source_branch,
......@@ -29,17 +35,8 @@ module MergeRequests
merge_request.target_branch,
)
commits = compare.commits
# At this point we decide if merge request can be created
# If we have at least one commit to merge -> creation allowed
if commits.present?
merge_request.compare_commits = commits
merge_request.can_be_created = true
merge_request.compare = compare
else
merge_request.can_be_created = false
end
merge_request.compare_commits = compare.commits
merge_request.compare = compare
set_title_and_description(merge_request)
end
......@@ -89,6 +86,8 @@ module MergeRequests
end
end
merge_request.title = merge_request.wip_title if commits.empty?
merge_request
end
......
app/views/projects/merge_requests/_new_compare.html.haml
......@@ -65,19 +65,6 @@
- if @merge_request.errors.any?
= form_errors(@merge_request)
- elsif @merge_request.source_branch.present? && @merge_request.target_branch.present?
.light-well.append-bottom-default
.center
%h4
There isn't anything to merge.
%p.slead
- if @merge_request.source_branch == @merge_request.target_branch
You'll need to use different branch names to get a valid comparison.
- else
%span.label-branch #{@merge_request.source_branch}
and
%span.label-branch #{@merge_request.target_branch}
are the same.
= f.submit 'Compare branches and continue', class: "btn btn-new mr-compare-btn"
:javascript
......
app/views/projects/merge_requests/_new_submit.html.haml
......@@ -18,29 +18,35 @@
= f.hidden_field :target_branch
.mr-compare.merge-request
%ul.merge-request-tabs.nav-links.no-top.no-bottom
%li.commits-tab.active
= link_to url_for(params), data: {target: 'div#commits', action: 'new', toggle: 'tab'} do
Commits
%span.badge= @commits.size
- if @pipeline
%li.builds-tab
= link_to url_for(params), data: {target: 'div#builds', action: 'builds', toggle: 'tab'} do
Builds
%span.badge= @statuses.size
%li.diffs-tab
= link_to url_for(params.merge(action: 'new_diffs')), data: {target: 'div#diffs', action: 'new/diffs', toggle: 'tab'} do
Changes
%span.badge= @merge_request.diff_size
- if @commits.empty?
.commits-empty
%h4
There are no commits yet.
= custom_icon ('illustration_no_commits')
- else
%ul.merge-request-tabs.nav-links.no-top.no-bottom
%li.commits-tab.active
= link_to url_for(params), data: {target: 'div#commits', action: 'new', toggle: 'tab'} do
Commits
%span.badge= @commits.size
- if @pipeline
%li.builds-tab
= link_to url_for(params), data: {target: 'div#builds', action: 'builds', toggle: 'tab'} do
Builds
%span.badge= @statuses.size
%li.diffs-tab
= link_to url_for(params.merge(action: 'new_diffs')), data: {target: 'div#diffs', action: 'new/diffs', toggle: 'tab'} do
Changes
%span.badge= @merge_request.diff_size
.tab-content
#commits.commits.tab-pane.active
= render "projects/merge_requests/show/commits"
#diffs.diffs.tab-pane
- # This tab is always loaded via AJAX
- if @pipeline
#builds.builds.tab-pane
= render "projects/merge_requests/show/builds"
.tab-content
#commits.commits.tab-pane.active
= render "projects/merge_requests/show/commits"
#diffs.diffs.tab-pane
- # This tab is always loaded via AJAX
- if @pipeline
#builds.builds.tab-pane
= render "projects/merge_requests/show/builds"
.mr-loading-status
= spinner
......
app/views/shared/icons/_illustration_no_commits.svg 0 → 100644
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\ No newline at end of file
spec/services/merge_requests/build_service_spec.rb
......@@ -52,12 +52,28 @@ describe MergeRequests::BuildService, services: true do
end
end
context 'no commits in the diff' do
let(:commits) { [] }
context 'same source and target branch' do
let(:source_branch) { 'master' }
it 'forbids the merge request from being created' do
expect(merge_request.can_be_created).to eq(false)
end
it 'adds an error message to the merge request' do
expect(merge_request.errors).to contain_exactly('You must select different branches')
end
end
context 'no commits in the diff' do
let(:commits) { [] }
it 'allows the merge request to be created' do
expect(merge_request.can_be_created).to eq(true)
end
it 'adds a WIP prefix to the merge request title' do
expect(merge_request.title).to eq('WIP: Feature branch')
end
end
context 'one commit in the diff' do
......
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