OSOE-655: Only run Post Pull Request Checks Automation if the current workflow is the most recent one in Lombiq.GitHub.Actions

.github/actions/check-current-workflow-is-latest/action.yml

@@ -0,0 +1,38 @@
+name: Check Current Workflow is the Latest Workflow
+description: >
+  Checks whether the current workflow is the most recent workflow for the pull request. Intentionally not documented in
+  Actions.md since it's only meant for internal use.
+
+inputs:
+  current-workflow-id:
+    description: The current workflow run's database id.
+    required: true
+    default: ""
+
+outputs:
+  is-latest:
+    description: A boolean value indicating whether the current workflow is the most recent one.
+    value: ${{ steps.check-current-workflow-equals-latest.outputs.is-latest }}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Setup Scripts
+      shell: pwsh
+      run: |
+        (Resolve-Path "${{ github.action_path }}/../../../Scripts").Path >> $Env:GITHUB_PATH
+
+    - name: Check Current Workflow Equals Latest
+      shell: pwsh
+      id: check-current-workflow-equals-latest
+      run: |
+        $listSwitches = @(
+          '--repo', '${{ github.repository }}'
+          '--branch', '${{ github.head_ref }}'
+          '--workflow', '${{ github.workflow }}'
+          '--limit', '1'
+          '--json', 'databaseId'
+        )
+        $latestWorkflowRunDatabaseId = $(gh run list @listSwitches | ConvertFrom-Json)[0].databaseId
+        $currentEqualsLatest = ($latestWorkflowRunDatabaseId -eq ${{ inputs.current-workflow-id }})
+        Set-GitHubOutput 'is-latest' $currentEqualsLatest

.github/workflows/post-pull-request-checks-automation.yml

@@ -40,13 +40,28 @@ on:
         type: number
         default: 1
         description: Configuration for the timeout-minutes parameter of the workflow.
+      run-only-latest-workflow:
+        type: string
+        description: Run only if the current workflow is the most recent workflow.
+        default: true
 
 jobs:
   post-pull-request-checks-automation:
+    name: Post Pull Request Checks Automation
     runs-on: ubuntu-22.04
     timeout-minutes: ${{ inputs.timeout-minutes }}
     steps:
+      - name: Check Further Steps Should Run
+        if: inputs.run-only-latest-workflow == 'true'
+        uses: Lombiq/GitHub-Actions/.github/actions/check-current-workflow-is-latest@dev
+        id: check-steps-should-run
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          current-workflow-id: ${{ github.run_id }}
+
       - name: Set Merge Token
+        if: steps.check-steps-should-run.outputs.is-latest != 'false'
         shell: pwsh
         env:
           MERGE_TOKEN: ${{ secrets.MERGE_TOKEN }}
@@ -55,13 +70,15 @@ jobs:
           "MERGE_TOKEN=$mergeToken" >> $Env:GITHUB_ENV
 
       - name: Automatically Merge Pull Request
+        if: steps.check-steps-should-run.outputs.is-latest != 'false'
         uses: Lombiq/GitHub-Actions/.github/actions/auto-merge-pull-request@dev
         env:
           GITHUB_TOKEN: ${{ env.MERGE_TOKEN }}
         with:
           merge-method: ${{ inputs.merge-method }}
 
       - name: Automatically Resolve or Done Jira issue
+        if: steps.check-steps-should-run.outputs.is-latest != 'false'
         uses: Lombiq/GitHub-Actions/.github/actions/auto-resolve-done-jira-issue@dev
         env:
           GITHUB_TOKEN: ${{ env.MERGE_TOKEN }}
@@ -70,6 +87,7 @@ jobs:
           JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
 
       - name: Remove Label
+        if: steps.check-steps-should-run.outputs.is-latest != 'false'
         # v2.0.0
         uses: buildsville/add-remove-label@eeae411a9be2e173f2420e1644514edbecc4e835
         with: