From ad2bfeb85756db8c4cea9290be743665efd1c918 Mon Sep 17 00:00:00 2001 From: Sean McGivern Date: Thu, 11 May 2017 16:23:02 +0100 Subject: Fix conflict resolution from corrupted upstream I don't know why this happens exactly, but given an upstream and fork repository from a customer, both of which required GC, resolving conflicts would corrupt the fork so badly that it couldn't be cloned. This isn't a perfect fix for that case, because the MR may still need to be merged manually, but it does ensure that the repository is at least usable. My best guess is that when we generate the index for the conflict resolution (which we previously did in the target project), we obtain a reference to an OID that doesn't exist in the source, even though we already fetch the refs from the target into the source. Explicitly setting the source project as the place to get the merge index from seems to prevent repository corruption in this way. --- app/controllers/projects/merge_requests_controller.rb | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'app/controllers') diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb index 207fbad7856..b99ccd453b8 100755 --- a/app/controllers/projects/merge_requests_controller.rb +++ b/app/controllers/projects/merge_requests_controller.rb @@ -155,8 +155,8 @@ class Projects::MergeRequestsController < Projects::ApplicationController format.html { define_discussion_vars } format.json do - if @merge_request.conflicts_can_be_resolved_in_ui? - render json: @merge_request.conflicts + if @conflicts_list.can_be_resolved_in_ui? + render json: @conflicts_list elsif @merge_request.can_be_merged? render json: { message: 'The merge conflicts for this merge request have already been resolved. Please return to the merge request.', @@ -173,9 +173,9 @@ class Projects::MergeRequestsController < Projects::ApplicationController end def conflict_for_path - return render_404 unless @merge_request.conflicts_can_be_resolved_in_ui? + return render_404 unless @conflicts_list.can_be_resolved_in_ui? - file = @merge_request.conflicts.file_for_path(params[:old_path], params[:new_path]) + file = @conflicts_list.file_for_path(params[:old_path], params[:new_path]) return render_404 unless file @@ -183,7 +183,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController end def resolve_conflicts - return render_404 unless @merge_request.conflicts_can_be_resolved_in_ui? + return render_404 unless @conflicts_list.can_be_resolved_in_ui? if @merge_request.can_be_merged? render status: :bad_request, json: { message: 'The merge conflicts for this merge request have already been resolved.' } @@ -191,7 +191,9 @@ class Projects::MergeRequestsController < Projects::ApplicationController end begin - MergeRequests::ResolveService.new(@merge_request.source_project, current_user, params).execute(@merge_request) + MergeRequests::Conflicts::ResolveService. + new(merge_request). + execute(current_user, params) flash[:notice] = 'All merge conflicts were resolved. The merge request can now be merged.' @@ -459,7 +461,9 @@ class Projects::MergeRequestsController < Projects::ApplicationController end def authorize_can_resolve_conflicts! - return render_404 unless @merge_request.conflicts_can_be_resolved_by?(current_user) + @conflicts_list = MergeRequests::Conflicts::ListService.new(@merge_request) + + return render_404 unless @conflicts_list.can_be_resolved_by?(current_user) end def module_enabled -- cgit v1.2.1