Merge pull request #16860 from tlm/3.3-to-3.4 #19
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| name: Merge | |
| on: | |
| push: | |
| branches: ['2.9', '3.1', '3.3', '3.4'] | |
| jobs: | |
| check-merge: | |
| name: Check for conflicts | |
| runs-on: ubuntu-latest | |
| env: | |
| MERGE_TARGETS: | | |
| 2.9: 3.1 | |
| 3.1: 3.3 | |
| 3.3: 3.4 | |
| 3.4: main | |
| steps: | |
| - name: Determine source/target branches | |
| id: branch | |
| run: | | |
| set -x | |
| SOURCE_BRANCH=${{ github.ref_name }} | |
| echo "source=$SOURCE_BRANCH" >> "$GITHUB_OUTPUT" | |
| TARGET_BRANCH=$(echo "$MERGE_TARGETS" | yq ".\"$SOURCE_BRANCH\"") | |
| echo "target=$TARGET_BRANCH" >> "$GITHUB_OUTPUT" | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 | |
| ref: ${{ steps.branch.outputs.source }} | |
| - name: Set up Go | |
| uses: actions/setup-go@v5 | |
| with: | |
| go-version-file: 'go.mod' | |
| cache: false | |
| # We need to do this before trying to merge, because if the merge | |
| # creates conflicts in go.mod, we won't be able to use the go command. | |
| - name: Pre-compile try-merge script | |
| run: | | |
| go install ./scripts/try-merge | |
| - name: Attempt to merge | |
| id: merge | |
| env: | |
| SOURCE_BRANCH: ${{ steps.branch.outputs.source }} | |
| TARGET_BRANCH: ${{ steps.branch.outputs.target }} | |
| run: | | |
| set -x | |
| git fetch origin "$TARGET_BRANCH" | |
| git branch "$TARGET_BRANCH" "origin/$TARGET_BRANCH" | |
| # Need to set Git username/email to do the merge (yawn) | |
| git config user.name 'jujubot' | |
| git config user.email 'fake@address.me' | |
| set +e | |
| git switch "$TARGET_BRANCH" | |
| git merge "$SOURCE_BRANCH" | |
| case $? in | |
| 0) | |
| echo "conflicts=false" >> "$GITHUB_OUTPUT" | |
| ;; | |
| 1) | |
| echo "conflicts=true" >> "$GITHUB_OUTPUT" | |
| ;; | |
| *) | |
| exit $? | |
| ;; | |
| esac | |
| - name: Generate notification message | |
| if: steps.merge.outputs.conflicts == 'true' | |
| id: message | |
| env: | |
| SOURCE_BRANCH: ${{ steps.branch.outputs.source }} | |
| TARGET_BRANCH: ${{ steps.branch.outputs.target }} | |
| EMAIL_TO_MM_USER: ${{ secrets.EMAIL_TO_MM_USER }} | |
| IGNORE_EMAILS: ${{ secrets.MERGE_NOTIFY_IGNORE_EMAILS }} | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| MESSAGE=$(try-merge errmsg) | |
| echo "message=$MESSAGE" >> "$GITHUB_OUTPUT" | |
| - name: Notify if merge has conflicts | |
| if: steps.merge.outputs.conflicts == 'true' && steps.message.outputs.message != '' | |
| env: | |
| MM_TOKEN: ${{ secrets.MM_TOKEN }} | |
| MESSAGE: ${{ steps.message.outputs.message }} | |
| run: | | |
| # install mmctl | |
| curl https://github.com/mattermost/mmctl/releases/download/v7.8.5/linux_amd64.tar -Lo mmctl.tar | |
| tar -xvf mmctl.tar | |
| ./mmctl auth login 'https://chat.charmhub.io' --name Charmhub --access-token $MM_TOKEN | |
| ./mmctl post create Charmhub:juju-bot --message "$MESSAGE" |