Add workflow to auto-update .swift-version
#8
Workflow file for this run
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| name: Update Swift Version | |
| on: | |
| pull_request: | |
| types: [opened, reopened, synchronize] | |
| schedule: | |
| - cron: '0 0 */14 * *' # Every 14 days at midnight UTC | |
| jobs: | |
| update-swift-version: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Set up Git | |
| run: | | |
| git config --global user.name "github-actions" | |
| git config --global user.email "[email protected]" | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update -qq | |
| sudo apt-get install -y curl jq | |
| - name: Open pull request if needed | |
| id: update | |
| run: | | |
| set -ex | |
| git fetch | |
| BRANCH=ci/update-swift-version | |
| if git ls-remote --exit-code --heads origin "$BRANCH"; then | |
| git checkout -b "$BRANCH" --track "origin/$BRANCH" | |
| else | |
| git checkout -b "$BRANCH" | |
| fi | |
| UNAME=$(uname -m) | |
| curl -O "https://download.swift.org/swiftly/linux/swiftly-$UNAME.tar.gz" | |
| tar zxf "swiftly-$UNAME.tar.gz" | |
| ./swiftly init \ | |
| --skip-install \ | |
| --assume-yes \ | |
| --quiet-shell-followup \ | |
| --no-modify-profile | |
| . "$HOME/.local/share/swiftly/env.sh" | |
| latest=$(swiftly list-available main-snapshot | grep main-snapshot | head -n 1 | awk '{print $1}') | |
| echo -n "$latest" > .swift-version | |
| echo "version=$latest" >> "$GITHUB_OUTPUT" | |
| if [[ -z "$(git status --porcelain .swift-version)" ]]; then | |
| echo "No changes. Exiting." | |
| exit 0 # neutral exit status | |
| fi | |
| git add .swift-version | |
| git commit -m "Update Swift version to $latest" | |
| git push -u origin "$BRANCH" | |
| gh auth setup-git | |
| pr=$(gh pr list --head ci/update-swift-version --state open --json number --jq '.[0].number') | |
| title="ci: update Swift version to $latest" | |
| body="This PR updates the \`.swift-version\` file to Swift $latest. | |
| > This PR was automatically generated." | |
| if [[ -z "$pr" ]]; then | |
| gh pr create \ | |
| --title "$title" \ | |
| --body "$body" \ | |
| --head "ci/update-swift-version" \ | |
| --base "main" | |
| else | |
| echo "PR already exists: #$pr" | |
| gh pr edit --title "$title" --body "$body" | |
| fi | |
| gh pr merge --auto --squash | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} |