Add auto-merge checkers for information to developers

what is missing in PR.

Later on in case PR is approved by two reviewers and
PR contains label 'READY-to-MERGE' it will be automatically
merged. Otherwise only manually.

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

.github/auto-merge.yml

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+target-branch: []

.github/workflows/auto-merge-on-demand.yml

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+name: Auto Merge Scheduled / On Demand
+on:
+ schedule:
+ # Workflow runs every 45 minutes
+ - cron: '*/45 * * * *'
+ workflow_dispatch:
+ inputs:
+ pr-number:
+ description: 'Pull Request number/s ; when not provided, the workflow will run for all open PRs'
+ required: true
+ default: '0'
+
+permissions:
+ contents: read
+
+jobs:
+ # Get all open PRs
+ gather-pull-requests:
+ if: github.repository_owner == 'sclorg'
+ runs-on: ubuntu-latest
+
+ outputs:
+ pr-numbers: ${{ steps.get-pr-numbers.outputs.result }}
+ pr-numbers-manual: ${{ steps.parse-manual-input.outputs.result }}
+
+ steps:
+ - id: get-pr-numbers
+ if: inputs.pr-number == '0'
+ name: Get all open PRs
+ uses: actions/github-script@v7
+ with:
+ # !FIXME: this is not working if there is more than 100 PRs opened
+ script: |
+ const { data: pullRequests } = await github.rest.pulls.list({
+ owner: context.repo.owner,
+ repo: context.repo.repo,
+ state: 'open',
+ per_page: 100
+ });
+ return pullRequests.map(pr => pr.number);
+
+ - id: parse-manual-input
+ if: inputs.pr-number != '0'
+ name: Parse manual input
+ run: |
+ # shellcheck disable=SC2086
+ echo "result="[ ${{ inputs.pr-number }} ]"" >> $GITHUB_OUTPUT
+ shell: bash
+
+ validate-pr:
+ name: 'Validation of Pull Request #${{ matrix.pr-number }}'
+ needs: [ gather-pull-requests ]
+ runs-on: ubuntu-latest
+
+ strategy:
+ fail-fast: false
+ matrix:
+ pr-number: ${{ inputs.pr-number == 0 && fromJSON(needs.gather-pull-requests.outputs.pr-numbers) || fromJSON(needs.gather-pull-requests.outputs.pr-numbers-manual) }}
+
+ permissions:
+ # required for merging PRs
+ contents: write
+ # required for PR comments and setting labels
+ pull-requests: write
+
+ steps:
+ - name: Auto Merge wrapper
+ uses: sclorg/auto-merge-wrapper@v1
+ with:
+ pr-number: ${{ matrix.pr-number }}
+ token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/auto-merge.yml

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+name: Auto Merge
+on:
+ workflow_run:
+ workflows: [ Gather Pull Request Metadata ]
+ types:
+ - completed
+
+permissions:
+ contents: read
+
+jobs:
+ download-metadata:
+ if: >
+ github.event.workflow_run.event == 'pull_request' &&
+ github.event.workflow_run.conclusion == 'success'
+ runs-on: ubuntu-latest
+
+ outputs:
+ pr-metadata: ${{ steps.Artifact.outputs.pr-metadata-json }}
+
+ steps:
+ - id: Artifact
+ name: Download Artifact
+ uses: redhat-plumbers-in-action/download-artifact@v1
+ with:
+ name: pr-metadata
+
+ auto-merge:
+ needs: [ download-metadata ]
+ runs-on: ubuntu-latest
+
+ permissions:
+ # required for merging PRs
+ contents: write
+ # required for PR comments and setting labels
+ pull-requests: write
+
+ steps:
+ - name: Auto Merge wrapper
+ uses: sclorg/auto-merge-wrapper@v1
+ with:
+ pr-metadata: ${{ needs.download-metadata.outputs.pr-metadata }}
+ token: ${{ secrets.GITHUB_TOKEN }}