Distribute templates #714
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| name: Distribute templates | |
| on: | |
| schedule: | |
| - cron: '55 1,2 * * *' | |
| workflow_dispatch: | |
| inputs: | |
| no_automatic_merge: | |
| type: boolean | |
| description: 'No automatic merge' | |
| default: false | |
| env: | |
| UPDATE_BRANCH: update-from-template | |
| UPDATE_BRANCH_MERGED: update-from-template-merged | |
| REMOTE_BRANCH: master | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| distribute: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: | |
| # Base | |
| - source: xdev-software/base-template | |
| target: xdev-software/java-template | |
| # Java | |
| - source: xdev-software/java-template | |
| target: xdev-software/standard-maven-template | |
| - source: xdev-software/java-template | |
| target: xdev-software/intellij-plugin-template | |
| # Standard Maven | |
| - source: xdev-software/standard-maven-template | |
| target: xdev-software/vaadin-addon-template | |
| - source: xdev-software/standard-maven-template | |
| target: xdev-software/openapi-client-maven-template | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| # Required because otherwise there are always changes detected when executing diff/rev-list | |
| fetch-depth: 0 | |
| # If no PAT is used the following error occurs on a push: | |
| # refusing to allow a GitHub App to create or update workflow `.github/workflows/xxx.yml` without `workflows` permission | |
| token: ${{ secrets.UPDATE_FROM_TEMPLATE_PAT }} | |
| repository: ${{ matrix.target }} | |
| - name: Init Git | |
| run: | | |
| git config --global user.email "111048771+xdev-gh-bot@users.noreply.github.com" | |
| git config --global user.name "XDEV Bot" | |
| - name: Manage branches | |
| id: manage-branches | |
| run: | | |
| echo "Adding remote template-repo" | |
| git remote add template https://github.com/${{ matrix.source }} | |
| echo "Fetching remote template repo" | |
| git fetch template | |
| echo "Deleting local branches that will contain the updates - if present" | |
| git branch -D ${{ env.UPDATE_BRANCH }} || true | |
| git branch -D ${{ env.UPDATE_BRANCH_MERGED }} || true | |
| echo "Checking if the remote template repo has new commits" | |
| git rev-list ..template/${{ env.REMOTE_BRANCH }} | |
| if [ $(git rev-list --count ..template/${{ env.REMOTE_BRANCH }}) -eq 0 ]; then | |
| echo "There are no commits new commits on the template repo" | |
| echo "Deleting origin branch(es) that contain the updates - if present" | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH }} || true | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH_MERGED }} || true | |
| echo "create_update_branch_pr=0" >> $GITHUB_OUTPUT | |
| echo "create_update_branch_merged_pr=0" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| echo "Found new commits on the template repo" | |
| echo "Creating update branch" | |
| git branch ${{ env.UPDATE_BRANCH }} template/${{ env.REMOTE_BRANCH }} | |
| git branch --unset-upstream ${{ env.UPDATE_BRANCH }} | |
| echo "Pushing update branch" | |
| git push -f -u origin ${{ env.UPDATE_BRANCH }} | |
| echo "Getting base branch" | |
| base_branch=$(git branch --show-current) | |
| echo "Base branch is $base_branch" | |
| echo "base_branch=$base_branch" >> $GITHUB_OUTPUT | |
| echo "Trying to create auto-merged branch ${{ env.UPDATE_BRANCH_MERGED }}" | |
| git branch ${{ env.UPDATE_BRANCH_MERGED }} ${{ env.UPDATE_BRANCH }} | |
| git checkout ${{ env.UPDATE_BRANCH_MERGED }} | |
| echo "Merging branch $base_branch into ${{ env.UPDATE_BRANCH_MERGED }}" | |
| git merge $base_branch && merge_exit_code=$? || merge_exit_code=$? | |
| if [ $merge_exit_code -ne 0 ]; then | |
| echo "Auto merge failed! Manual merge required" | |
| echo "::notice ::Auto merge failed - Manual merge required" | |
| echo "Cleaning up failed merge" | |
| git merge --abort | |
| git checkout $base_branch | |
| git branch -D ${{ env.UPDATE_BRANCH_MERGED }} || true | |
| echo "Deleting auto-merge branch - if present" | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH_MERGED }} || true | |
| echo "create_update_branch_pr=1" >> $GITHUB_OUTPUT | |
| echo "create_update_branch_merged_pr=0" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| echo "Pushing auto-merged branch" | |
| git push -f -u origin ${{ env.UPDATE_BRANCH_MERGED }} | |
| echo "update_branch_merged_commit=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT | |
| echo "Restoring base branch $base_branch" | |
| git checkout $base_branch | |
| echo "create_update_branch_pr=0" >> $GITHUB_OUTPUT | |
| echo "create_update_branch_merged_pr=1" >> $GITHUB_OUTPUT | |
| echo "try_close_update_branch_pr=1" >> $GITHUB_OUTPUT | |
| - name: Create/Update PR update_branch | |
| if: steps.manage-branches.outputs.create_update_branch_pr == 1 | |
| env: | |
| GH_TOKEN: ${{ secrets.UPDATE_FROM_TEMPLATE_PAT }} | |
| run: | | |
| gh_pr_up() { | |
| gh pr create -H "${{ env.UPDATE_BRANCH }}" "$@" || (git checkout "${{ env.UPDATE_BRANCH }}" && gh pr edit "$@") | |
| } | |
| gh_pr_up -B "${{ steps.manage-branches.outputs.base_branch }}" \ | |
| --title "Update from template" \ | |
| --body "An automated PR to sync changes from the template into this repo" | |
| # Ensure that only a single PR is open (otherwise confusion and spam) | |
| - name: Close PR update_branch | |
| if: steps.manage-branches.outputs.try_close_update_branch_pr == 1 | |
| env: | |
| GH_TOKEN: ${{ secrets.UPDATE_FROM_TEMPLATE_PAT }} | |
| run: | | |
| gh pr close "${{ env.UPDATE_BRANCH }}" || true | |
| - name: Create/Update PR update_branch_merged | |
| if: steps.manage-branches.outputs.create_update_branch_merged_pr == 1 | |
| env: | |
| GH_TOKEN: ${{ secrets.UPDATE_FROM_TEMPLATE_PAT }} | |
| run: | | |
| gh_pr_up() { | |
| gh pr create -H "${{ env.UPDATE_BRANCH_MERGED }}" "$@" || (git checkout "${{ env.UPDATE_BRANCH_MERGED }}" && gh pr edit "$@") | |
| } | |
| gh_pr_up -B "${{ steps.manage-branches.outputs.base_branch }}" \ | |
| --title "Update from template (auto-merged)" \ | |
| --body "An automated PR to sync changes from the template into this repo" | |
| # Auto-Merge check is not required as template repos don't have any actions enabled | |
| - name: Auto-merge update_branch_merged | |
| if: steps.manage-branches.outputs.create_update_branch_merged_pr == 1 | |
| run: | | |
| base_branch="${{ steps.manage-branches.outputs.base_branch }}" | |
| echo "Restoring base branch $base_branch" | |
| git checkout $base_branch | |
| echo "Fetching..." | |
| git fetch | |
| expected_commit="${{ steps.manage-branches.outputs.update_branch_merged_commit }}" | |
| actual_commit=$(git rev-parse origin/${{ env.UPDATE_BRANCH_MERGED }}) | |
| if [[ "$expected_commit" != "$actual_commit" ]]; then | |
| echo "Branch ${{ env.UPDATE_BRANCH_MERGED }} contains unexpected commit $actual_commit" | |
| echo "Expected: $expected_commit" | |
| exit 0 | |
| fi | |
| echo "Ensuring that current branch $base_branch is up-to-date" | |
| git pull | |
| echo "Merging ${{ env.UPDATE_BRANCH_MERGED }} into $base_branch" | |
| git merge ${{ env.UPDATE_BRANCH_MERGED }} && merge_exit_code=$? || merge_exit_code=$? | |
| if [ $merge_exit_code -ne 0 ]; then | |
| echo "Unexpected merge failure $merge_exit_code - Requires manual resolution" | |
| exit 0 | |
| fi | |
| if [[ "${{ inputs.no_automatic_merge }}" == "true" ]]; then | |
| echo "Exiting due to no_automatic_merge" | |
| exit 0 | |
| fi | |
| echo "Pushing" | |
| git push | |
| echo "Cleaning up" | |
| git branch -D ${{ env.UPDATE_BRANCH }} || true | |
| git branch -D ${{ env.UPDATE_BRANCH_MERGED }} || true | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH }} || true | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH_MERGED }} || true |