74 lines
2.5 KiB
YAML
74 lines
2.5 KiB
YAML
# Uses `workflow_run` to securely add a comment to the PR that triggered CI.
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#
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# Important: For security, the `workflow_run` trigger runs the workflow from the default branch,
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# so any changes to this workflow must be made in the default branch to take effect.
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#
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# This workflow is neccesary because PRs opened by external forks do not have write access to
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# their PR, so the PR-triggered workflow can't add comments to the PR.
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# If this was in the CI workflow, it'd be tidier and easier to debug but unfortunately that
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# isn't possible due to the lower security context that the CI workflow runs in.
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name: CI comment
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on:
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workflow_run:
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workflows: ["CI"]
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types:
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- completed
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jobs:
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summary:
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if: github.event.workflow_run.event == 'pull_request'
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runs-on: ubuntu-latest
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steps:
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- name: Download summaries
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id: download
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uses: actions/download-artifact@v4
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with:
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run-id: ${{ github.event.workflow_run.id }}
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pattern: summary-*
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merge-multiple: true
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path: summaries
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github-token: ${{ secrets.GITHUB_TOKEN }}
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- name: Get workflow URL
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id: workflow-url
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run: |
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repo_url="${{ github.server_url }}/${{ github.repository }}"
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echo "url=$repo_url/actions/runs/${{ github.run_id }}" >> $GITHUB_OUTPUT
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shell: bash
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- name: Merge summaries
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id: summary
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run: |
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files=$(ls summaries)
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if [ -z "$files" ]; then
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echo "No summaries found"
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exit 0
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fi
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echo "message<<EOF" >> $GITHUB_OUTPUT
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echo "## CI Summary" >> $GITHUB_OUTPUT
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for file in summaries/*; do
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echo $(cat $file) >> $GITHUB_OUTPUT
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done
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echo "[Full summary](${{ steps.workflow-url.outputs.url }})" >> $GITHUB_OUTPUT
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echo "EOF" >> $GITHUB_OUTPUT
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- name: Set PR comment
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if: steps.summary.outputs.message
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uses: marocchino/sticky-pull-request-comment@v2
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with:
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number: ${{ github.event.workflow_run.pull_requests[0].number }}
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header: ${{ github.event.workflow_run.name }}
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message: ${{ steps.summary.outputs.message }}
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- name: Delete PR comment
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if: ${{ !steps.summary.outputs.message }}
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uses: marocchino/sticky-pull-request-comment@v2
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with:
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number: ${{ github.event.workflow_run.pull_requests[0].number }}
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header: ${{ github.event.workflow_run.name }}
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delete: true
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