ci: first pass attempt to test commitlint job

.gitlab-ci.yml

@@ -39,6 +39,7 @@ commitlint:
   stage: .pre
   script:
   - npm install --only=dev
+  - ./scripts/commitlint.sh
 
 pre vars:
   image: registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/pre-envs:ubi8.3

scripts/commitlint.sh

 #!/usr/bin/env bash
 
-for sha in $(git log master..$(git rev-parse --abbrev-ref HEAD) --format=format:%H); do
-  echo $sha
+# loop over commit sha's for commits that exist in this branch but not the default branch
+for sha in $(git log $CI_DEFAULT_BRANCH..$CI_COMMIT_REF_NAME --format=format:%H); do
+  # get the commit message from the sha
+  message=$(git log --format=format:%s -n 1 $sha)
+  # debug output and lint the commit
+  echo "Linting commit: $sha - $message"
+  echo "$message" | npx commitlint
 done
\ No newline at end of file