feat: ✨ add output

Signed-off-by: Andy Augustin <dev@andreas-augustin.org>

README.md

@@ -265,6 +265,7 @@ jobs:
 | output | description |
 | ------ | ----------- |
 | pr_branch | The name of the branch used for the pull request |
+| template_git_hash | The template source repository git hash |
 
 **Remarks** Please consider following edge cases
 

action.yml

@@ -71,6 +71,9 @@ outputs:
   pr_branch:
     description: "The name of the PR branch"
     value: ${{ steps.sync.outputs.pr_branch }}
+  template_git_hash:
+    description: "The git hash of the template source repository"
+    value: ${{ steps.sync.outputs.template_git_hash }}
 runs:
   using: "composite"
   # image: "src/Dockerfile"

src/sync_template.sh

@@ -84,11 +84,13 @@ fi
 # set the gh action outputs if run with github action.
 # Arguments:
 #   pr_branch
+#   template_git_hash
 #######################################
 function set_github_action_outputs() {
   echo "::group::set gh action outputs"
 
   local pr_branch=$1
+  local template_git_hash=$2
 
   info "set github action outputs"
 
@@ -97,6 +99,7 @@ function set_github_action_outputs() {
   else
     # https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-an-output-parameter
     echo "pr_branch=${pr_branch}" >> "$GITHUB_OUTPUT"
+    echo "template_git_hash=${template_git_hash}" >> "$GITHUB_OUTPUT"
   fi
   echo "::endgroup::"
 }
@@ -475,4 +478,4 @@ commit
 
 push_prepare_pr_create_pr
 
-set_github_action_outputs "${PR_BRANCH}"
+set_github_action_outputs "${PR_BRANCH}" "${TEMPLATE_GIT_HASH}"