branch-preserver.patch

   1 --- gitlab-ci-multi-runner/shells/abstract.go~  2017-05-02 13:12:18.000000000 +0300
   2 +++ gitlab-ci-multi-runner/shells/abstract.go   2017-05-16 08:10:46.528840805 +0300
   3 @@ -96,7 +96,11 @@
   4
   5  func (b *AbstractShell) writeCheckoutCmd(w ShellWriter, build *common.Build) {
   6         w.Notice("Checking out %s as %s...", build.GitInfo.Sha[0:8], build.GitInfo.Ref)
   7 -       w.Command("git", "checkout", "-f", "-q", build.GitInfo.Sha)
   8 +       if build.GitInfo.RefType == common.RefTypeTag {
   9 +               w.Command("git", "checkout", "-f", "-q", build.GitInfo.Sha)
  10 +       } else {
  11 +               w.Command("git", "checkout", "-fq", "-B", build.GitInfo.Ref, build.GitInfo.Sha)
  12 +       }
  13  }
  14
  15  func (b *AbstractShell) writeSubmoduleUpdateCmd(w ShellWriter, build *common.Build, recursive bool) {