clear_cache.yml

# Clean up caches created by BinDiff job
name: Dynamo-PostBinDiffProcess
on:
  workflow_run:
    workflows: [Dynamo-BinDiff]
    types:
      - completed
jobs:
 fetch-PR-Data:
  runs-on: ubuntu-latest
  steps:
    - name: Download PR Data
      uses: dawidd6/action-download-artifact@v2
      with:
        run_id: ${{github.event.workflow_run.id }}
        name: pr
        path: pr/
    - name: Check Artifact
      run: ls -R
    - name: Extract Data to Output
      id: extract
      run: |
        cat pr/NR
        echo "PRNumber=`cat pr/NR`" >> "$GITHUB_OUTPUT"
        echo "WFNumber=`cat pr/WN`" >> "$GITHUB_OUTPUT"
        echo "Diff1=`cat pr/Diff1`" >> "$GITHUB_OUTPUT"
        echo "Diff2=`cat pr/Diff2`" >> "$GITHUB_OUTPUT"
        echo "TIMESTAMP=`date +%Y-%m-%d-%H:%M:%S`" >> "$GITHUB_OUTPUT"
  outputs:
    PRNumber: ${{ steps.extract.outputs.PRNumber }}
    WFNumber: ${{ steps.extract.outputs.WFNumber }}
    Diff1: ${{ steps.extract.outputs.Diff1 }}
    Diff2: ${{ steps.extract.outputs.Diff2 }}
    TIMESTAMP: ${{ steps.extract.outputs.TIMESTAMP }}
 diff-cache-cleanup-pr:
    runs-on: ubuntu-latest
    needs: [fetch-PR-Data]
    if: github.event.workflow_run.event == 'pull_request'
    steps:
      - name: Cleanup Caches
        run: |
          gh extension install actions/gh-actions-cache
          
          PRNUM=${{ needs.fetch-PR-Data.outputs.PRNumber }}
          REPO=${{ github.repository }}
          BRANCH="refs/pull/$PRNUM/merge"
          echo "Fetching list of cache key"
          echo $REPO
          echo $BRANCH
          echo $PRNUM
          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )
          ## Setting this to not fail the workflow while deleting cache keys. 
          set +e
          echo "Deleting caches..."
          for cacheKey in $cacheKeysForPR
          do
              echo "Deleting: $cacheKey"
              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
          done
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 diff-cache-cleanup-push:
    runs-on: ubuntu-latest
    needs: [fetch-PR-Data]
    if: github.event.workflow_run.event == 'push'
    steps:
      - name: Cleanup Caches
        run: |
          gh extension install actions/gh-actions-cache
          
          WNNUM=${{ needs.fetch-PR-Data.outputs.WFNumber }}
          echo $WNNUM
          REPO=${{ github.repository }}
          
          ## Setting this to not fail the workflow while deleting cache keys. 
          set +e
          echo "Deleting caches..."
          echo "Deleting: $WNNUM-cache-net60Win-current"
          gh actions-cache delete $WNNUM-cache-net60Win-current -R $REPO --confirm
          echo "Deleting: $WNNUM-cache-net60Win-master"
          gh actions-cache delete $WNNUM-cache-net60Win-master -R $REPO --confirm
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        
 comments-pr-workflow:
    runs-on: ubuntu-latest
    needs: [fetch-PR-Data]
    if: github.event.workflow_run.event == 'pull_request'
    steps:
      - name: Download PR Data
        uses: dawidd6/action-download-artifact@v2
        with:
          run_id: ${{github.event.workflow_run.id }}
          name: pr
          path: pr/
      - name: Check Artifact
        run: ls -R
      - name: Find Comment
        uses: peter-evans/find-comment@v2
        id: fc
        with:
          issue-number: ${{ needs.fetch-PR-Data.outputs.PRNumber }}
          comment-author: 'github-actions[bot]'
          body-includes: Files Added/Deleted
          direction: last
      - name: Create comment
        if: |
          steps.fc.outputs.comment-id == '' &&
          (needs.fetch-PR-Data.outputs.Diff1 != '' || needs.fetch-PR-Data.outputs.Diff2 != '')
        uses: peter-evans/create-or-update-comment@v3
        with:
          issue-number: ${{ needs.fetch-PR-Data.outputs.PRNumber }}
          body: |
            ${{ needs.fetch-PR-Data.outputs.Diff1 }}
            ${{ needs.fetch-PR-Data.outputs.Diff2 }}
      - name: Update comment
        if: |
          steps.fc.outputs.comment-id != '' &&
          (needs.fetch-PR-Data.outputs.Diff1 != '' || needs.fetch-PR-Data.outputs.Diff2 != '')
        uses: peter-evans/create-or-update-comment@v3
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          edit-mode: replace
          body: |
            ${{ needs.fetch-PR-Data.outputs.Diff1 }}
            ${{ needs.fetch-PR-Data.outputs.Diff2 }}
            (Updated: ${{ needs.fetch-PR-Data.outputs.TIMESTAMP }})
      - name: Update comment resolved
        if: |
          steps.fc.outputs.comment-id != '' &&
          (needs.fetch-PR-Data.outputs.Diff1 == '' && needs.fetch-PR-Data.outputs.Diff2 == '')
        uses: peter-evans/create-or-update-comment@v3
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          edit-mode: replace
          body: |
            ":white_check_mark: **Bin-Diff Issue Resolved.**"
            (Updated: ${{ needs.fetch-PR-Data.outputs.TIMESTAMP }})