docs: document release automation and snap building #12
Workflow file for this run
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| name: Release Snaps | |
| on: | |
| pull_request: | |
| types: | |
| - closed | |
| jobs: | |
| get-snap-branches: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| branches: ${{ steps.parse-labels.outputs.branches }} | |
| steps: | |
| - name: Parse labels | |
| id: parse-labels | |
| env: | |
| LABELS: ${{ toJson(github.event.pull_request.labels.*.name) }} | |
| BASE_REF: ${{ github.event.pull_request.base.ref }} | |
| run: | | |
| case $BASE_REF in | |
| main) | |
| BASE=main | |
| ;; | |
| ubuntu/*) | |
| BASE=$(echo $BASE_REF | cut -d'/' -f2) | |
| ;; | |
| *) | |
| echo "::error::Unknown base '$BASE_REF'" | |
| exit 1 | |
| esac | |
| # Appends '/$BASE' to the PR labels that start with 'snap/' and filters out everything else, including 'snap/none' | |
| # Example: ['mylabel', 'snap/none', 'snap/ubuntu-desktop-bootstrap'] -> ['snap/ubuntu-desktop-bootstrap/main'] | |
| BRANCHES=$(echo $LABELS | jq -c "[.[]|select(.!=\"snap/none\")|select(startswith(\"snap/\"))|.+\"/$BASE\"]") | |
| echo "Found branches: $BRANCHES" >> $GITHUB_STEP_SUMMARY | |
| echo "branches=$BRANCHES" >> $GITHUB_OUTPUT | |
| release-snaps: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| needs: get-snap-branches | |
| if: ${{ github.event.pull_request.merged && needs.get-snap-branches.outputs.branches != '[]' }} | |
| strategy: | |
| matrix: | |
| branch: ${{ fromJson(needs.get-snap-branches.outputs.branches) }} | |
| steps: | |
| - name: Checkout release branch | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ matrix.branch }} | |
| fetch-depth: 0 | |
| - name: Bump source-commit in snapcraft.yaml | |
| id: bump-deps | |
| env: | |
| BRANCH: ${{ matrix.branch }} | |
| NEW_HASH: ${{ github.sha }} | |
| run: | | |
| case $BRANCH in | |
| snap/ubuntu-desktop-bootstrap/*) | |
| PART_NAME='ubuntu-bootstrap' | |
| ;; | |
| snap/ubuntu-desktop-init/*) | |
| PART_NAME='ubuntu-desktop-init' | |
| ;; | |
| snap/factory-reset-tools/*) | |
| PART_NAME='factory-reset-tools' | |
| ;; | |
| *) | |
| echo "::error::Unknown branch '$BRANCH'" | |
| exit 1 | |
| esac | |
| echo "part_name=$PART_NAME" >> $GITHUB_OUTPUT | |
| SNAP_NAME=$(echo $BRANCH | cut -d '/' -f2) | |
| echo "snap_name=$SNAP_NAME" >> $GITHUB_OUTPUT | |
| OLD_HASH=$(yq ".parts[\"$PART_NAME\"][\"source-commit\"]" snap/snapcraft.yaml) | |
| echo "old_hash=$OLD_HASH" >> $GITHUB_OUTPUT | |
| sed -i "s/$OLD_HASH/$NEW_HASH/" snap/snapcraft.yaml | |
| echo "Updating source-commit for part '$PART_NAME' from '$OLD_HASH' to '$NEW_HASH'" >> $GITHUB_STEP_SUMMARY | |
| git diff | |
| - name: Open or update PR on release branch | |
| uses: peter-evans/create-pull-request@v7 | |
| with: | |
| sign-commits: true | |
| branch: ${{ matrix.branch }}-release | |
| commit-message: "chore: bump source-commit" | |
| title: "chore: bump source-commit for ${{ steps.bump-deps.outputs.snap_name }}" | |
| body: | | |
| Updates the `source-commit` for `${{ steps.bump-deps.outputs.part_name }}` in the snapcraft.yaml from ${{ steps.bump-deps.outputs.old_hash }} to ${{ github.sha }} ([diff](${{ github.event.pull_request.base.repo.html_url }}/compare/${{ steps.bump-deps.outputs.old_hash }}...${{ github.sha }})) | |
| reviewers: ${{ github.event.sender.login }} |