Merge branch 'zj-version-string-grouping-ci' into 'master'

Allow CI/CD Jobs being grouped on version strings

See merge request gitlab-org/gitlab-ce!17455

app/models/commit_status.rb

@@ -141,7 +141,7 @@ class CommitStatus < ActiveRecord::Base
   end
 
   def group_name
-    name.to_s.gsub(%r{\d+[\s:/\\]+\d+\s*}, '').strip
+    name.to_s.gsub(%r{\d+[\.\s:/\\]+\d+\s*}, '').strip
   end
 
   def failed_but_allowed?

changelogs/unreleased/zj-version-string-grouping-ci.yml

@@ -0,0 +1,5 @@
+---
+title: Allow CI/CD Jobs being grouped on version strings
+merge_request:
+author:
+type: added

doc/ci/pipelines.md

@@ -121,8 +121,9 @@ The basic requirements is that there are two numbers separated with one of
 the following (you can even use them interchangeably):
 
 - a space
-- a backslash (`/`)
+- a forward slash (`/`)
 - a colon (`:`)
+- a dot (`.`)
 
 >**Note:**
 More specifically, [it uses][regexp] this regular expression: `\d+[\s:\/\\]+\d+\s*`.

spec/models/commit_status_spec.rb

@@ -368,7 +368,9 @@ describe CommitStatus do
       'rspec:windows 0 : / 1' => 'rspec:windows',
       'rspec:windows 0 : / 1 name' => 'rspec:windows name',
       '0 1 name ruby' => 'name ruby',
-      '0 :/ 1 name ruby' => 'name ruby'
+      '0 :/ 1 name ruby' => 'name ruby',
+      'golang test 1.8' => 'golang test',
+      '1.9 golang test' => 'golang test'
     }
 
     tests.each do |name, group_name|