Added Merge Requests view

app/finders/pipelines_finder.rb

@@ -13,6 +13,8 @@ class PipelinesFinder
       from_ids(pipelines, ids_for_ref(pipelines, branches))
     when 'tags'
       from_ids(pipelines, ids_for_ref(pipelines, tags))
+    when 'merge_requests'
+      from_ids(Ci::Pipeline, ids_for_merge_requests(project))
     else
       pipelines
     end
@@ -24,6 +26,12 @@ class PipelinesFinder
     pipelines.where(ref: refs).group(:ref).select('max(id)')
   end
+  def ids_for_merge_requests(project)
+    Ci::Pipeline.
+      joins('JOIN merge_requests ON merge_requests.source_project_id=ci_commits.gl_project_id AND merge_requests.source_branch=ci_commits.ref').
+      where('merge_requests.target_project_id=?', project.id)
+  end
+
   def from_ids(pipelines, ids)
     pipelines.unscoped.where(id: ids)
   end

app/models/ci/pipeline.rb

@@ -27,7 +27,7 @@ module Ci
     end
     def project_id
-      project.id
+      gl_project_id
     end
     def valid_commit_sha
@@ -161,6 +161,12 @@ module Ci
       git_commit_message =~ /(\[ci skip\])/ if git_commit_message
     end
+    def merge_request
+      MergeRequest.includes(:merge_request_diff)
+                         .where(source_branch: ref, source_project_id: gl_project_id)
+                         .reorder(iid: :asc).last
+    end
+
     private
     def update_state

app/views/projects/ci/pipelines/_pipeline.html.haml

 - status = pipeline.status
+- project = pipeline.project_id == @project.id ? @project : pipeline.project
 %tr.commit
+  - if merge_requests
+    %td.merge-request
+      - mr = pipeline.merge_request
+      - if mr
+        = link_to namespace_project_merge_request_path(project.namespace, project, mr) do
+          %strong !#{mr.iid}
+
   %td.commit-link
-    = link_to namespace_project_pipeline_path(@project.namespace, @project, pipeline.id), class: "ci-status ci-#{status}" do
+    = link_to namespace_project_pipeline_path(project.namespace, project, pipeline.id), class: "ci-status ci-#{status}" do
       = ci_icon_for_status(status)
       %strong ##{pipeline.id}
   %td
     %div.branch-commit
       - if pipeline.ref
-        = link_to pipeline.ref, namespace_project_commits_path(@project.namespace, @project, pipeline.ref), class: "monospace"
+        = link_to pipeline.ref, namespace_project_commits_path(project.namespace, project, pipeline.ref), class: "monospace"
         ·
-      = link_to pipeline.short_sha, namespace_project_commit_path(@project.namespace, @project, pipeline.sha), class: "commit-id monospace"
+      = link_to pipeline.short_sha, namespace_project_commit_path(project.namespace, project, pipeline.sha), class: "commit-id monospace"
        
       - if pipeline.tag?
         %span.label.label-primary tag
@@ -25,7 +33,7 @@
       %p.commit-title
         - if commit_data = pipeline.commit_data
-          = link_to_gfm truncate(commit_data.title, length: 60), namespace_project_commit_path(@project.namespace, @project, commit_data.id), class: "commit-row-message"
+          = link_to_gfm truncate(commit_data.title, length: 60), namespace_project_commit_path(project.namespace, project, commit_data.id), class: "commit-row-message"
         - else
           Cant find HEAD commit for this branch
@@ -36,7 +44,7 @@
         - status = stages_status[stage]
         - tooltip = "#{stage.titleize}: #{status || 'not found'}"
         - if status
-          = link_to namespace_project_pipeline_path(@project.namespace, @project, pipeline.id, anchor: stage), class: "has-tooltip ci-status-icon-#{status}", title: tooltip do
+          = link_to namespace_project_pipeline_path(project.namespace, project, pipeline.id, anchor: stage), class: "has-tooltip ci-status-icon-#{status}", title: tooltip do
             = ci_icon_for_status(status)
         - else
           .light.has-tooltip{ title: tooltip }
@@ -58,14 +66,14 @@
           %ul.dropdown-menu.dropdown-menu-align-right
             - artifacts.each do |build|
               %li
-                = link_to download_namespace_project_build_artifacts_path(@project.namespace, @project, build), rel: 'nofollow' do
+                = link_to download_namespace_project_build_artifacts_path(project.namespace, project, build), rel: 'nofollow' do
                   = icon("download")
                   %span #{build.name}
-      - if can?(current_user, :update_pipeline, @project)
+      - if can?(current_user, :update_pipeline, project)
         - if pipeline.retryable?
-          = link_to retry_namespace_project_pipeline_path(@project.namespace, @project, pipeline.id), class: 'btn has-tooltip', title: "Retry", method: :post do
+          = link_to retry_namespace_project_pipeline_path(project.namespace, project, pipeline.id), class: 'btn has-tooltip', title: "Retry", method: :post do
             = icon("repeat")
         - if pipeline.cancelable?
-          = link_to cancel_namespace_project_pipeline_path(@project.namespace, @project, pipeline.id), class: 'btn btn-remove has-tooltip', title: "Cancel", method: :post do
+          = link_to cancel_namespace_project_pipeline_path(project.namespace, project, pipeline.id), class: 'btn btn-remove has-tooltip', title: "Cancel", method: :post do
             = icon("remove")

app/views/projects/pipelines/index.html.haml

@@ -25,6 +25,10 @@
         = link_to project_pipelines_path(@project, scope: :tags) do
           Tags
+      %li{class: ('active' if @scope == 'merge_requests')}
+        = link_to project_pipelines_path(@project, scope: :merge_requests) do
+          Merge Requests
+
     .nav-controls
       - if can? current_user, :create_pipeline, @project
         = link_to new_namespace_project_pipeline_path(@project.namespace, @project), class: 'btn btn-create' do
@@ -47,6 +51,8 @@
       .table-holder
         %table.table.builds
           %tbody
+            - if @scope == 'merge_requests'
+              %th MR
             %th ID
             %th Commit
             - stages.each do |stage|
@@ -55,6 +61,6 @@
                   = stage.titleize.pluralize
             %th Duration
             %th
-          = render @pipelines, commit_sha: true, stage: true, allow_retry: true, stages: stages
+          = render @pipelines, commit_sha: true, stage: true, allow_retry: true, stages: stages, merge_requests: @scope == 'merge_requests'
       = paginate @pipelines, theme: 'gitlab'