Hides pipeline duration in commit box when it is zero (nil)

app/views/projects/commit/_commit_box.html.haml

@@ -77,5 +77,6 @@
         #{ n_(s_('Pipeline|with stage'), s_('Pipeline|with stages'), last_pipeline.stages_count) }
         .mr-widget-pipeline-graph
           = render 'shared/mini_pipeline_graph', pipeline: last_pipeline, klass: 'js-commit-pipeline-graph'
-      in
-      = time_interval_in_words last_pipeline.duration
+      - if last_pipeline.duration
+        in
+        = time_interval_in_words last_pipeline.duration

changelogs/unreleased/hide-pipeline-zero-duration.yml

+---
+title: Hides pipeline duration in commit box when it is zero (nil)
+merge_request: 14979
+author: gvieira37
+type: fixed