Drop `allow_overflow` option in `TimeHelper.duration_in_numbers`

app/helpers/time_helper.rb

@@ -21,17 +21,15 @@ module TimeHelper
     "#{from.to_s(:short)} - #{to.to_s(:short)}"
   end
 
-  def duration_in_numbers(duration_in_seconds, allow_overflow = false)
-    if allow_overflow
+  def duration_in_numbers(duration_in_seconds)
     seconds = duration_in_seconds % 1.minute
     minutes = (duration_in_seconds / 1.minute) % (1.hour / 1.minute)
     hours = duration_in_seconds / 1.hour
 
-      "%02d:%02d:%02d" % [hours, minutes, seconds]
+    if hours == 0
+      "%02d:%02d" % [minutes, seconds]
     else
-      time_format = duration_in_seconds < 1.hour ? "%M:%S" : "%H:%M:%S"
-
-      Time.at(duration_in_seconds).utc.strftime(time_format)
+      "%02d:%02d:%02d" % [hours, minutes, seconds]
     end
   end
 end

app/views/projects/ci/builds/_build.html.haml

@@ -108,7 +108,7 @@
             .btn.btn-default.has-tooltip{ disabled: true,
               title: job.scheduled_at }
               = sprite_icon('planning')
-              = duration_in_numbers(job.execute_in, true)
+              = duration_in_numbers(job.execute_in)
             - confirmation_message = s_("DelayedJobs|Are you sure you want to run %{job_name} immediately? This job will run automatically after it's timer finishes.") % { job_name: job.name }
             = link_to play_project_job_path(job.project, job, return_to: request.original_url),
               method: :post,

lib/gitlab/ci/status/build/scheduled.rb

@@ -29,7 +29,7 @@ module Gitlab
 
           def execute_in
             remaining_seconds = [0, subject.scheduled_at - Time.now].max
-            duration_in_numbers(remaining_seconds, true)
+            duration_in_numbers(remaining_seconds)
           end
         end
       end

spec/helpers/time_helper_spec.rb

@@ -22,34 +22,17 @@ describe TimeHelper do
   describe "#duration_in_numbers" do
     using RSpec::Parameterized::TableSyntax
 
-    context "without passing allow_overflow" do
     where(:duration, :formatted_string) do
       0                              | "00:00"
       1.second                       | "00:01"
       42.seconds                     | "00:42"
       2.minutes + 1.second           | "02:01"
       3.hours + 2.minutes + 1.second | "03:02:01"
-        30.hours                       | "06:00:00"
-      end
-
-      with_them do
-        it { expect(duration_in_numbers(duration)).to eq formatted_string }
-      end
-    end
-
-    context "with allow_overflow = true" do
-      where(:duration, :formatted_string) do
-        0                              | "00:00:00"
-        1.second                       | "00:00:01"
-        42.seconds                     | "00:00:42"
-        2.minutes + 1.second           | "00:02:01"
-        3.hours + 2.minutes + 1.second | "03:02:01"
       30.hours                       | "30:00:00"
     end
 
     with_them do
-        it { expect(duration_in_numbers(duration, true)).to eq formatted_string }
-      end
+      it { expect(duration_in_numbers(duration)).to eq formatted_string }
     end
   end
 end