@@ -9,3 +9,8 @@ into it.

    :default: /opt/stack

    The devstack base directory.

+

+ .. zuul:rolevar:: devstack_branch

+    :default: None

+

+    The target branch to be setup (where available).

@@ -12,6 +12,35 @@

   with_items: '{{ found_repos.files }}'

   become: yes

+- name: Setup refspec for repos into devstack working directory

+  shell:

+    # Copied almost "as-is" from devstack-gate setup-workspace function

+    # but removing the dependency on functions.sh

+    # TODO this should be rewritten as a python module.

+    cmd: |

+      cd {{ devstack_base_dir }}/{{ item.path | basename }}

+      base_branch={{ devstack_sources_branch }}

+      if git branch -a | grep "$base_branch" > /dev/null ; then

+          git checkout $base_branch

+      elif [[ "$base_branch" == stable/* ]]; then

+          # Look for an eol tag for the stable branch.

+          eol_tag=${base_branch#stable/}-eol

+          if git tag -l |grep $eol_tag >/dev/null; then

+              git checkout $eol_tag

+              git reset --hard $eol_tag

+              if ! git clean -x -f -d -q ; then

+                  sleep 1

+                  git clean -x -f -d -q

+              fi

+          fi

+      else

+          git checkout master

+      fi

+  args:

+    executable: /bin/bash

+  with_items: '{{ found_repos.files }}'

+  when: devstack_sources_branch is defined

+

 - name: Set ownership of repos

   file:

     path: '{{ devstack_base_dir }}'