Show if a PR has conflicting files on the PR lists (#10130)

Co-authored-by: Lauris BH <lauris@nix.lv>

options/locale/locale_en-US.ini

@@ -1066,6 +1066,7 @@ pulls.blocked_by_rejection = "This Pull Request has changes requested by an offi
 pulls.can_auto_merge_desc = This pull request can be merged automatically.
 pulls.cannot_auto_merge_desc = This pull request cannot be merged automatically due to conflicts.
 pulls.cannot_auto_merge_helper = Merge manually to resolve the conflicts.
+pulls.num_conflicting_files = "%d conflicting files"
 pulls.no_merge_desc = This pull request cannot be merged because all repository merge options are disabled.
 pulls.no_merge_helper = Enable merge options in the repository settings or merge the pull request manually.
 pulls.no_merge_wip = This pull request can not be merged because it is marked as being a work in progress.

templates/repo/issue/list.tmpl

@@ -267,6 +267,11 @@
 								<img class="ui avatar image" src="{{.RelAvatarLink}}">
 							</a>
 						{{end}}
+						{{if .IsPull}}
+							{{if (len .PullRequest.ConflictedFiles) gt 0}}
+								<span class="conflicting"><i class="octicon octicon-mirror"></i> {{$.i18n.Tr "repo.pulls.num_conflicting_files" (len .PullRequest.ConflictedFiles)}}</span>
+							{{end}}
+						{{end}}
 					</p>
 				</li>
 			{{end}}

templates/user/dashboard/issues.tmpl

@@ -151,6 +151,11 @@
 										<span class="octicon octicon-calendar"></span><span{{if .IsOverdue}} class="overdue"{{end}}>{{.DeadlineUnix.FormatShort}}</span>
 									</span>
 								{{end}}
+								{{if .IsPull}}
+									{{if (len .PullRequest.ConflictedFiles) gt 0}}
+										<span class="conflicting"><i class="octicon octicon-mirror"></i> {{$.i18n.Tr "repo.pulls.num_conflicting_files" (len .PullRequest.ConflictedFiles)}}</span>
+									{{end}}
+								{{end}}
 							</p>
 						</li>
 						{{end}}

web_src/less/_repository.less

@@ -2129,6 +2129,10 @@
                 }
             }
 
+            .conflicting {
+                padding-left: 5px;
+            }
+
             .due-date {
                 padding-left: 5px;
             }