682 lines
20 KiB
Ruby
682 lines
20 KiB
Ruby
class Projects::MergeRequestsController < Projects::ApplicationController
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include ToggleSubscriptionAction
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include DiffForPath
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include DiffHelper
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include IssuableActions
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include RendersNotes
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include ToggleAwardEmoji
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include IssuableCollections
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before_action :module_enabled
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before_action :merge_request, only: [
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:edit, :update, :show, :diffs, :commits, :conflicts, :conflict_for_path, :pipelines, :merge, :merge_check,
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:pipeline_status, :ci_environments_status, :toggle_subscription, :cancel_merge_when_pipeline_succeeds, :remove_wip, :resolve_conflicts, :assign_related_issues, :commit_change_content
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]
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before_action :validates_merge_request, only: [:show, :diffs, :commits, :pipelines]
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before_action :define_show_vars, only: [:show, :diffs, :commits, :conflicts, :conflict_for_path, :builds, :pipelines]
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before_action :define_commit_vars, only: [:diffs]
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before_action :ensure_ref_fetched, only: [:show, :diffs, :commits, :builds, :conflicts, :conflict_for_path, :pipelines]
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before_action :close_merge_request_without_source_project, only: [:show, :diffs, :commits, :builds, :pipelines]
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before_action :apply_diff_view_cookie!, only: [:new_diffs]
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before_action :build_merge_request, only: [:new, :new_diffs]
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# Allow read any merge_request
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before_action :authorize_read_merge_request!
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# Allow write(create) merge_request
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before_action :authorize_create_merge_request!, only: [:new, :create]
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# Allow modify merge_request
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before_action :authorize_update_merge_request!, only: [:close, :edit, :update, :remove_wip, :sort]
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before_action :authenticate_user!, only: [:assign_related_issues]
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before_action :authorize_can_resolve_conflicts!, only: [:conflicts, :conflict_for_path, :resolve_conflicts]
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def index
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@collection_type = "MergeRequest"
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@merge_requests = merge_requests_collection
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@merge_requests = @merge_requests.page(params[:page])
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@merge_requests = @merge_requests.preload(merge_request_diff: :merge_request)
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@issuable_meta_data = issuable_meta_data(@merge_requests, @collection_type)
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if @merge_requests.out_of_range? && @merge_requests.total_pages != 0
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return redirect_to url_for(params.merge(page: @merge_requests.total_pages, only_path: true))
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end
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if params[:label_name].present?
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labels_params = { project_id: @project.id, title: params[:label_name] }
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@labels = LabelsFinder.new(current_user, labels_params).execute
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end
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@users = []
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if params[:assignee_id].present?
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assignee = User.find_by_id(params[:assignee_id])
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@users.push(assignee) if assignee
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end
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if params[:author_id].present?
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author = User.find_by_id(params[:author_id])
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@users.push(author) if author
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end
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respond_to do |format|
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format.html
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format.json do
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render json: {
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html: view_to_html_string("projects/merge_requests/_merge_requests"),
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labels: @labels.as_json(methods: :text_color)
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}
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end
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end
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end
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def show
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respond_to do |format|
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format.html do
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define_discussion_vars
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end
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format.json do
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render json: serializer.represent(@merge_request, basic: params[:basic])
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end
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format.patch do
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return render_404 unless @merge_request.diff_refs
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send_git_patch @project.repository, @merge_request.diff_refs
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end
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format.diff do
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return render_404 unless @merge_request.diff_refs
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send_git_diff @project.repository, @merge_request.diff_refs
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end
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end
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end
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def diffs
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apply_diff_view_cookie!
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respond_to do |format|
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format.html { define_discussion_vars }
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format.json do
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define_diff_vars
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define_diff_comment_vars
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@environment = @merge_request.environments_for(current_user).last
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render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") }
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end
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end
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end
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# With an ID param, loads the MR at that ID. Otherwise, accepts the same params as #new
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# and uses that (unsaved) MR.
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#
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def diff_for_path
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if params[:id]
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merge_request
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define_diff_vars
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define_diff_comment_vars
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else
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build_merge_request
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@compare = @merge_request
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@diffs = @compare.diffs(diff_options)
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@diff_notes_disabled = true
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end
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define_commit_vars
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render_diff_for_path(@diffs)
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end
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def commits
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respond_to do |format|
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format.html do
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define_discussion_vars
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render 'show'
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end
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format.json do
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# Get commits from repository
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# or from cache if already merged
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@commits = @merge_request.commits
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@note_counts = Note.where(commit_id: @commits.map(&:id)).
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group(:commit_id).count
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render json: { html: view_to_html_string('projects/merge_requests/show/_commits') }
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end
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end
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end
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def conflicts
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respond_to do |format|
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format.html { define_discussion_vars }
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format.json do
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if @conflicts_list.can_be_resolved_in_ui?
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render json: @conflicts_list
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elsif @merge_request.can_be_merged?
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render json: {
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message: 'The merge conflicts for this merge request have already been resolved. Please return to the merge request.',
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type: 'error'
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}
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else
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render json: {
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message: 'The merge conflicts for this merge request cannot be resolved through GitLab. Please try to resolve them locally.',
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type: 'error'
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}
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end
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end
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end
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end
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def conflict_for_path
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return render_404 unless @conflicts_list.can_be_resolved_in_ui?
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file = @conflicts_list.file_for_path(params[:old_path], params[:new_path])
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return render_404 unless file
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render json: file, full_content: true
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end
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def resolve_conflicts
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return render_404 unless @conflicts_list.can_be_resolved_in_ui?
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if @merge_request.can_be_merged?
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render status: :bad_request, json: { message: 'The merge conflicts for this merge request have already been resolved.' }
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return
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end
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begin
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MergeRequests::Conflicts::ResolveService.
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new(merge_request).
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execute(current_user, params)
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flash[:notice] = 'All merge conflicts were resolved. The merge request can now be merged.'
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render json: { redirect_to: namespace_project_merge_request_url(@project.namespace, @project, @merge_request, resolved_conflicts: true) }
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rescue Gitlab::Conflict::ResolutionError => e
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render status: :bad_request, json: { message: e.message }
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end
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end
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def pipelines
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@pipelines = @merge_request.all_pipelines
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respond_to do |format|
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format.html do
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define_discussion_vars
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render 'show'
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end
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format.json do
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Gitlab::PollingInterval.set_header(response, interval: 10_000)
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render json: PipelineSerializer
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.new(project: @project, current_user: @current_user)
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.represent(@pipelines)
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end
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end
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end
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def new
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respond_to do |format|
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format.html { define_new_vars }
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format.json do
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define_pipelines_vars
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Gitlab::PollingInterval.set_header(response, interval: 10_000)
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render json: {
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pipelines: PipelineSerializer
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.new(project: @project, current_user: @current_user)
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.represent(@pipelines)
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}
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end
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end
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end
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def new_diffs
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respond_to do |format|
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format.html do
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define_new_vars
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@show_changes_tab = true
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render "new"
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end
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format.json do
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@diffs = if @merge_request.can_be_created
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@merge_request.diffs(diff_options)
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else
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[]
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end
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@diff_notes_disabled = true
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@environment = @merge_request.environments_for(current_user).last
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render json: { html: view_to_html_string('projects/merge_requests/_new_diffs', diffs: @diffs, environment: @environment) }
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end
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end
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end
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def create
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@target_branches ||= []
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@merge_request = MergeRequests::CreateService.new(project, current_user, merge_request_params).execute
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if @merge_request.valid?
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redirect_to(merge_request_path(@merge_request))
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else
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@source_project = @merge_request.source_project
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@target_project = @merge_request.target_project
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render action: "new"
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end
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end
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def edit
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@source_project = @merge_request.source_project
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@target_project = @merge_request.target_project
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@target_branches = @merge_request.target_project.repository.branch_names
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end
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def update
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@merge_request = MergeRequests::UpdateService.new(project, current_user, merge_request_params).execute(@merge_request)
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respond_to do |format|
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format.html do
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if @merge_request.valid?
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redirect_to([@merge_request.target_project.namespace.becomes(Namespace), @merge_request.target_project, @merge_request])
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else
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render :edit
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end
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end
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format.json do
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render json: @merge_request.to_json(include: { milestone: {}, assignee: { only: [:name, :username], methods: [:avatar_url] }, labels: { methods: :text_color } }, methods: [:task_status, :task_status_short])
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end
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end
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rescue ActiveRecord::StaleObjectError
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render_conflict_response
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end
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def remove_wip
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@merge_request = MergeRequests::UpdateService
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.new(project, current_user, wip_event: 'unwip')
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.execute(@merge_request)
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render json: serializer.represent(@merge_request)
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end
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def merge_check
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@merge_request.check_if_can_be_merged
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render json: serializer.represent(@merge_request)
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end
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def commit_change_content
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render partial: 'projects/merge_requests/widget/commit_change_content', layout: false
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end
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def cancel_merge_when_pipeline_succeeds
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unless @merge_request.can_cancel_merge_when_pipeline_succeeds?(current_user)
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return access_denied!
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end
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MergeRequests::MergeWhenPipelineSucceedsService
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.new(@project, current_user)
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.cancel(@merge_request)
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render json: serializer.represent(@merge_request)
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end
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def merge
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return access_denied! unless @merge_request.can_be_merged_by?(current_user)
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status = merge!
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if @merge_request.merge_error
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render json: { status: status, merge_error: @merge_request.merge_error }
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else
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render json: { status: status }
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end
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end
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def branch_from
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# This is always source
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@source_project = @merge_request.nil? ? @project : @merge_request.source_project
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if params[:ref].present?
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@ref = params[:ref]
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@commit = @repository.commit("refs/heads/#{@ref}")
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end
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render layout: false
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end
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def branch_to
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@target_project = selected_target_project
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if params[:ref].present?
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@ref = params[:ref]
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@commit = @target_project.commit("refs/heads/#{@ref}")
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end
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render layout: false
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end
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def update_branches
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@target_project = selected_target_project
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@target_branches = @target_project.repository.branch_names
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render layout: false
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end
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def assign_related_issues
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result = MergeRequests::AssignIssuesService.new(project, current_user, merge_request: @merge_request).execute
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respond_to do |format|
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format.html do
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case result[:count]
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when 0
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flash[:error] = "Failed to assign you issues related to the merge request"
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when 1
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flash[:notice] = "1 issue has been assigned to you"
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else
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flash[:notice] = "#{result[:count]} issues have been assigned to you"
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end
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redirect_to(merge_request_path(@merge_request))
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end
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end
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end
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def pipeline_status
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render json: PipelineSerializer
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.new(project: @project, current_user: @current_user)
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.represent_status(@merge_request.head_pipeline)
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end
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def ci_environments_status
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environments =
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begin
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@merge_request.environments_for(current_user).map do |environment|
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project = environment.project
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deployment = environment.first_deployment_for(@merge_request.diff_head_commit)
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stop_url =
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if environment.stop_action? && can?(current_user, :create_deployment, environment)
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stop_namespace_project_environment_path(project.namespace, project, environment)
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end
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metrics_url =
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if can?(current_user, :read_environment, environment) && environment.has_metrics?
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metrics_namespace_project_environment_deployment_path(environment.project.namespace,
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environment.project,
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environment,
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deployment)
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end
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{
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id: environment.id,
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name: environment.name,
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url: namespace_project_environment_path(project.namespace, project, environment),
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metrics_url: metrics_url,
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stop_url: stop_url,
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external_url: environment.external_url,
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external_url_formatted: environment.formatted_external_url,
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deployed_at: deployment.try(:created_at),
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deployed_at_formatted: deployment.try(:formatted_deployment_time)
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}
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end.compact
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end
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render json: environments
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end
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protected
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def selected_target_project
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if @project.id.to_s == params[:target_project_id] || @project.forked_project_link.nil?
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@project
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else
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@project.forked_project_link.forked_from_project
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end
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end
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def merge_request
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@issuable = @merge_request ||= @project.merge_requests.find_by!(iid: params[:id])
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end
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alias_method :subscribable_resource, :merge_request
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alias_method :issuable, :merge_request
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alias_method :awardable, :merge_request
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def authorize_update_merge_request!
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return render_404 unless can?(current_user, :update_merge_request, @merge_request)
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end
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def authorize_admin_merge_request!
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return render_404 unless can?(current_user, :admin_merge_request, @merge_request)
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end
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def authorize_can_resolve_conflicts!
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@conflicts_list = MergeRequests::Conflicts::ListService.new(@merge_request)
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return render_404 unless @conflicts_list.can_be_resolved_by?(current_user)
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end
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def module_enabled
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return render_404 unless @project.feature_available?(:merge_requests, current_user)
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end
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def validates_merge_request
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# Show git not found page
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# if there is no saved commits between source & target branch
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if @merge_request.has_no_commits?
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# and if target branch doesn't exist
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return invalid_mr unless @merge_request.target_branch_exists?
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end
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end
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def define_show_vars
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@noteable = @merge_request
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@commits_count = @merge_request.commits_count
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if @merge_request.locked_long_ago?
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@merge_request.unlock_mr
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@merge_request.close
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end
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labels
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define_pipelines_vars
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end
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# Discussion tab data is rendered on html responses of actions
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# :show, :diff, :commits, :builds. but not when request the data through AJAX
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def define_discussion_vars
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# Build a note object for comment form
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@note = @project.notes.new(noteable: @merge_request)
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@discussions = @merge_request.discussions
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@notes = prepare_notes_for_rendering(@discussions.flat_map(&:notes))
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end
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def define_commit_vars
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@commit = @merge_request.diff_head_commit
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@base_commit = @merge_request.diff_base_commit || @merge_request.likely_diff_base_commit
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end
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def define_diff_vars
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@merge_request_diff =
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if params[:diff_id]
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@merge_request.merge_request_diffs.viewable.find(params[:diff_id])
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else
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@merge_request.merge_request_diff
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end
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@merge_request_diffs = @merge_request.merge_request_diffs.viewable.select_without_diff
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@comparable_diffs = @merge_request_diffs.select { |diff| diff.id < @merge_request_diff.id }
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if params[:start_sha].present?
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@start_sha = params[:start_sha]
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@start_version = @comparable_diffs.find { |diff| diff.head_commit_sha == @start_sha }
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unless @start_version
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@start_sha = @merge_request_diff.head_commit_sha
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@start_version = @merge_request_diff
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end
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end
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@compare =
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if @start_sha
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@merge_request_diff.compare_with(@start_sha)
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else
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@merge_request_diff
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end
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@diffs = @compare.diffs(diff_options)
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end
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def define_diff_comment_vars
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@new_diff_note_attrs = {
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noteable_type: 'MergeRequest',
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noteable_id: @merge_request.id
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}
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|
|
@diff_notes_disabled = false
|
|
|
|
@use_legacy_diff_notes = !@merge_request.has_complete_diff_refs?
|
|
|
|
@grouped_diff_discussions = @merge_request.grouped_diff_discussions(@compare.diff_refs)
|
|
@notes = prepare_notes_for_rendering(@grouped_diff_discussions.values.flatten.flat_map(&:notes))
|
|
end
|
|
|
|
def define_pipelines_vars
|
|
@pipelines = @merge_request.all_pipelines
|
|
@pipeline = @merge_request.head_pipeline
|
|
@statuses_count = @pipeline.present? ? @pipeline.statuses.relevant.count : 0
|
|
end
|
|
|
|
def define_new_vars
|
|
@noteable = @merge_request
|
|
|
|
@target_branches = if @merge_request.target_project
|
|
@merge_request.target_project.repository.branch_names
|
|
else
|
|
[]
|
|
end
|
|
|
|
@target_project = merge_request.target_project
|
|
@source_project = merge_request.source_project
|
|
@commits = @merge_request.compare_commits.reverse
|
|
@commit = @merge_request.diff_head_commit
|
|
@base_commit = @merge_request.diff_base_commit
|
|
|
|
@note_counts = Note.where(commit_id: @commits.map(&:id)).
|
|
group(:commit_id).count
|
|
|
|
@labels = LabelsFinder.new(current_user, project_id: @project.id).execute
|
|
|
|
@show_changes_tab = params[:show_changes].present?
|
|
|
|
define_pipelines_vars
|
|
end
|
|
|
|
def invalid_mr
|
|
# Render special view for MR with removed target branch
|
|
render 'invalid'
|
|
end
|
|
|
|
def merge_request_params
|
|
params.require(:merge_request)
|
|
.permit(merge_request_params_ce)
|
|
end
|
|
|
|
def merge_request_params_ce
|
|
[
|
|
:assignee_id,
|
|
:description,
|
|
:force_remove_source_branch,
|
|
:lock_version,
|
|
:milestone_id,
|
|
:source_branch,
|
|
:source_project_id,
|
|
:state_event,
|
|
:target_branch,
|
|
:target_project_id,
|
|
:task_num,
|
|
:title,
|
|
|
|
label_ids: []
|
|
]
|
|
end
|
|
|
|
def merge_params
|
|
params.permit(:should_remove_source_branch, :commit_message)
|
|
end
|
|
|
|
# Make sure merge requests created before 8.0
|
|
# have head file in refs/merge-requests/
|
|
def ensure_ref_fetched
|
|
@merge_request.ensure_ref_fetched
|
|
end
|
|
|
|
def merge_when_pipeline_succeeds_active?
|
|
params[:merge_when_pipeline_succeeds].present? &&
|
|
@merge_request.head_pipeline && @merge_request.head_pipeline.active?
|
|
end
|
|
|
|
def build_merge_request
|
|
params[:merge_request] ||= ActionController::Parameters.new(source_project: @project)
|
|
@merge_request = MergeRequests::BuildService.new(project, current_user, merge_request_params.merge(diff_options: diff_options)).execute
|
|
end
|
|
|
|
def close_merge_request_without_source_project
|
|
if !@merge_request.source_project && @merge_request.open?
|
|
@merge_request.close
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def merge!
|
|
# Disable the CI check if merge_when_pipeline_succeeds is enabled since we have
|
|
# to wait until CI completes to know
|
|
unless @merge_request.mergeable?(skip_ci_check: merge_when_pipeline_succeeds_active?)
|
|
return :failed
|
|
end
|
|
|
|
return :sha_mismatch if params[:sha] != @merge_request.diff_head_sha
|
|
|
|
@merge_request.update(merge_error: nil)
|
|
|
|
if params[:merge_when_pipeline_succeeds].present?
|
|
return :failed unless @merge_request.head_pipeline
|
|
|
|
if @merge_request.head_pipeline.active?
|
|
MergeRequests::MergeWhenPipelineSucceedsService
|
|
.new(@project, current_user, merge_params)
|
|
.execute(@merge_request)
|
|
|
|
:merge_when_pipeline_succeeds
|
|
elsif @merge_request.head_pipeline.success?
|
|
# This can be triggered when a user clicks the auto merge button while
|
|
# the tests finish at about the same time
|
|
MergeWorker.perform_async(@merge_request.id, current_user.id, params)
|
|
|
|
:success
|
|
else
|
|
:failed
|
|
end
|
|
else
|
|
MergeWorker.perform_async(@merge_request.id, current_user.id, params)
|
|
|
|
:success
|
|
end
|
|
end
|
|
|
|
def serializer
|
|
MergeRequestSerializer.new(current_user: current_user, project: merge_request.project)
|
|
end
|
|
end
|