removed redundant checks and made is_callee checking clearer

Author: wtripp180901

.github/actions/is_callee/action.yml

@@ -14,8 +14,8 @@ runs:
     - id: workflows_match
       run: |
         if echo ${{ github.workflow_ref }} | grep ${{ inputs.current_workflow_file }}; then
-          echo "is_callee='false'" >> "$GITHUB_OUTPUT"
+          echo "is_callee=false" >> "$GITHUB_OUTPUT"
         else
-          echo "is_callee='true'" >> "$GITHUB_OUTPUT"
+          echo "is_callee=true" >> "$GITHUB_OUTPUT"
         fi
       shell: bash

.github/workflows/fatimage.yml

@@ -46,7 +46,7 @@ jobs:
     env:
       ANSIBLE_FORCE_COLOR: True
       OS_CLOUD: openstack
-      CI_CLOUD: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.ci_cloud || inputs.ci_cloud_override }}
+      CI_CLOUD: ${{ github.event.inputs.ci_cloud || inputs.ci_cloud_override }}
       ARK_PASSWORD: ${{ secrets.ARK_PASSWORD }}
       LEAFCLOUD_PULP_PASSWORD: ${{ secrets.LEAFCLOUD_PULP_PASSWORD }}
     outputs:
@@ -61,7 +61,7 @@ jobs:
 
       - uses: actions/checkout@v3
         with:
-          ref: ${{ steps.callee_check.outputs.is_callee && inputs.target_branch || github.ref }}
+          ref: ${{ steps.callee_check.outputs.is_callee == 'true' && inputs.target_branch || github.ref }}
 
       - name: Record settings for CI cloud
         run: |

.github/workflows/stackhpc.yml

@@ -56,7 +56,7 @@ jobs:
 
       - uses: actions/checkout@v3
         with:
-          ref: ${{ steps.callee_check.outputs.is_callee && inputs.target_branch || github.ref }}
+          ref: ${{ steps.callee_check.outputs.is_callee == 'true' && inputs.target_branch || github.ref }}
 
       - name: Override CI_CLOUD if PR label is present
         if: ${{ github.event_name == 'pull_request' }}

.github/workflows/update-timestamps.yml

@@ -1,6 +1,6 @@
 name: Check for new Release Train snapshots
 on:
-  workflow_dispatch: # temporary, doesn't support workflow_dispatch due to issues with CI_CLOUD in fatimage
+  workflow_dispatch: # temporary
   pull_request: #temporary 
   schedule:
     - cron: '0 7 * * *'  # Run at 7am on default branch