Rework jobs/playbooks/roles
Current setup doesn't work that well when inheriting. I would like "all
my projects" to only inherit from the job which uses the
`run-test-command` playbook. Then, those jobs which need submodules,
should explicitly ask for that pre- playbook provided by
`git-submodules`.
In Zuul and Ansible, roles are the bits that are supposed to be shared.
As per corvus recommendation on IRC, let's use job variables to control
execution in a more fine-grained manner.
Change-Id: I48c13bff0be7cf796b75e5176774226fb3bb5cc8
diff --git a/roles/git-submodules/tasks/main.yaml b/roles/git-submodules/tasks/main.yaml
new file mode 100644
index 0000000..100de13
--- /dev/null
+++ b/roles/git-submodules/tasks/main.yaml
@@ -0,0 +1,30 @@
+- name: Prepare git submodules
+ shell: |
+ set -ex
+
+ jq -r '.projects | .[] | .src_dir ' ~/zuul-env.json | while read PROJECT; do
+ pushd "{{ ansible_user_dir }}/${PROJECT}"
+ # 1) Adjust the origin's URL so that it points to its filesystem location.
+ # This makes relative URLs in submodules work.
+ git config --get remote.origin.url > /dev/null && git config remote.origin.url "{{ ansible_user_dir }}/${PROJECT}" || true
+ # 2) Prepare an alias for each repository, appending the .git suffix.
+ # E.g. Boost uses submodule URLs which end with a .git trailing suffix.
+ # That happens to be handled by many git servers automagically.
+ # Instead of rewriting the submodule URLs within each repo (which would either mark
+ # the repo dirty, or change its hash), use a big hammer and provide these
+ # "compatibility" repository names.
+ # If both a `repo` and `repo.git` already exist, then we're screwed.
+ ln -s $(basename "${PROJECT}") ../$(basename "${PROJECT}").git
+ popd
+ done
+
+ # 3) Update submodules via calling out to git
+ cd "$(jq -r '.project.src_dir' ~/zuul-env.json)"
+ git submodule update --init --recursive
+
+ # 4) Undo changes made in step 1
+ jq -r '.projects | .[] | .src_dir ' ~/zuul-env.json | while read PROJECT; do
+ pushd "{{ ansible_user_dir }}/${PROJECT}"
+ git config --get remote.origin.url > /dev/null && git config remote.origin.url file:///dev/null || true
+ popd
+ done