fixed fatimage and ci not running on target branch

.github/actions/is_callee.yml

@@ -0,0 +1,20 @@
+name: Check if being used as reusable workflow
+inputs:
+  current_workflow_file:
+    type: string
+    required: true
+    description: The name of the workflow file this action is called from
+outputs:
+  is_callee: ${{ steps.workflows_match == '1' }}
+  type: boolean
+runs:
+  using: "composite"
+  steps:
+    - id: workflows_match
+      run: |
+        set +e
+        ${{ github.workflow_ref }} | grep {{ inputs.current_workflow_file }}
+        WORKFLOWS_MATCH=$?
+        set -e
+        echo "is_callee=$WORKFLOWS_MATCH" >> "$GITHUB_OUTPUT"
+        echo $WORKFLOWS_MATCH

.github/workflows/fatimage.yml

@@ -54,9 +54,14 @@ jobs:
       openhpc-RL9-image: "${{ steps.manifest.outputs.openhpc-RL9-image }}"
 
     steps:
+      - uses: stackhpc/ansible-slurm-appliance/.github/actions/is_callee.yml@feat/auto-bump-timestamps # todo: change to main once merges
+        id: callee_check
+        with:
+          current_workflow_file: fatimage.yml
+
       - uses: actions/checkout@v3
         with:
-          ref: ${{ github.event_name != 'workflow_call' && github.ref || inputs.target_branch }}
+          ref: ${{ steps.callee_check.outputs.is_callee && inputs.target_branch || github.ref }}
 
       - name: Record settings for CI cloud
         run: |

.github/workflows/stackhpc.yml

@@ -49,9 +49,14 @@ jobs:
       CI_CLOUD: ${{ vars.CI_CLOUD }} # default from repo settings
       TF_VAR_os_version: ${{ matrix.os_version }}
     steps:
+      - uses: stackhpc/ansible-slurm-appliance/.github/actions/is_callee.yml@feat/auto-bump-timestamps # todo: change to main once merges
+        id: callee_check
+        with:
+          current_workflow_file: stackhpc.yml
+
       - uses: actions/checkout@v3
         with:
-          ref: ${{ github.event_name != 'workflow_call' && github.ref || inputs.target_branch }}
+          ref: ${{ steps.callee_check.outputs.is_callee && inputs.target_branch || github.ref }}
 
       - name: Override CI_CLOUD if PR label is present
         if: ${{ github.event_name == 'pull_request' }}