Update from Template #87
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| name: Update from Template | |
| # This workflow keeps the repo up to date with changes from the template repo (REMOTE_URL) | |
| # It duplicates the REMOTE_BRANCH (into UPDATE_BRANCH) and tries to merge it into the | |
| # this repos default branch (which is checked out here) | |
| # Note that this requires a PAT (Personal Access Token) - at best from a servicing account | |
| # Also note that you should have at least once merged the template repo into the current repo manually | |
| # otherwise a "refusing to merge unrelated histories" error might occur. | |
| on: | |
| schedule: | |
| - cron: '55 2 * * 1' | |
| workflow_dispatch: | |
| env: | |
| UPDATE_BRANCH: update-from-template | |
| REMOTE_URL: https://github.com/xdev-software/vaadin-addon-template.git | |
| REMOTE_BRANCH: master | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| update: | |
| runs-on: ubuntu-latest | |
| 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 }} | |
| - name: Init Git | |
| run: | | |
| git config --global user.email "actions@github.com" | |
| git config --global user.name "GitHub Actions" | |
| - name: Main workflow | |
| id: main | |
| run: | | |
| echo "Adding remote template-repo" | |
| git remote add template ${{ env.REMOTE_URL }} | |
| echo "Fetching remote template repo" | |
| git fetch template | |
| echo "Deleting local branch that will contain the updates - if present" | |
| git branch -D ${{ env.UPDATE_BRANCH }} || true | |
| echo "Checking if the remote template repo has new commits" | |
| git rev-list ..template/${{ 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 that contains the updates - if present" | |
| git push -f origin --delete ${{ env.UPDATE_BRANCH }} || true | |
| echo "abort=1" >> $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 ${{ env.UPDATE_BRANCH }} | |
| echo "Getting current branch" | |
| current_branch=$(git branch --show-current) | |
| echo "Current branch is $current_branch" | |
| echo "current_branch=$current_branch" >> $GITHUB_OUTPUT | |
| echo "abort=0" >> $GITHUB_OUTPUT | |
| - name: pull-request | |
| if: steps.main.outputs.abort == 0 | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| gh_pr_up() { | |
| gh pr create -H "${{ env.UPDATE_BRANCH }}" "$@" || (git checkout "${{ env.UPDATE_BRANCH }}" && gh pr edit "$@") | |
| } | |
| gh_pr_up -B "${{ steps.main.outputs.current_branch }}" \ | |
| --title "Update from template" \ | |
| --body "An automated PR to sync changes from the template into this repo" |