Sync branches #5180
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# This workflow is used to create PRs to merge changes from the main branch to the next branch. It's mostly a front-end | |
# to `flub merge branches`, which is where the source code can be found. This also means you can replicate this workflow | |
# manually by running `flub merge branches` locally and providing a PAT. | |
# | |
# When run, the workflow executes `flub merge branches`, which first checks if a main/next merge PR is already open. If | |
# it is, the workflow exits with no error. | |
# | |
# If there is no PR, then the tool will open one by following this logic | |
# | |
# - Find the commits that need to be merged into next. | |
# - Take a batch of commits and iterate over them. | |
# - Test each commit for mergeability into next. | |
# - If all commits merge cleanly, open a PR at the last commit in the batch. | |
# - If a commit cannot be merged cleanly, open a PR at the _previous_ commit. | |
# - Once that PR is merged, then the next time the workflow runs, it will detect the conflicting commit and open a PR | |
# with that commit only. | |
# | |
# Each time the workflow runs, the tool will determine the commits to merge based entirely on the git repo state. | |
name: Sync branches | |
on: | |
schedule: | |
# At 0 minutes past the hour, every 1 hour, Monday through Friday. Cron timezone is in UTC. | |
- cron: "0 */1 * * 1-5" | |
# Each commit to next should trigger a run, so we create new PRs as quickly as possible. | |
push: | |
branches: | |
- "next" | |
# Support running the workflow manually through the GitHub UI. | |
workflow_dispatch: | |
inputs: | |
batchSize: | |
description: The maximum number of commits to include in a single PR. | |
type: number | |
default: 20 | |
required: true | |
env: | |
TARGET_BRANCH: next | |
SOURCE_BRANCH: main | |
USERNAME: msfluid-bot | |
EMAIL: [email protected] | |
# The inputs context is only available when triggered by workflow_dispatch. For the scheduled runs this uses the | |
# default value | |
BATCH: ${{ inputs.batchSize || 20 }} | |
REVIEWER1: sonalideshpandemsft | |
jobs: | |
sync-branches: | |
runs-on: ubuntu-latest | |
if: github.repository_owner == 'microsoft' | |
steps: | |
- run: | | |
echo "TARGET_BRANCH: $TARGET_BRANCH" | |
echo "SOURCE_BRANCH: $SOURCE_BRANCH" | |
echo "USERNAME: $USERNAME" | |
echo "EMAIL: $EMAIL" | |
echo "BATCH: $BATCH" | |
echo "REVIEWER1: $REVIEWER1" | |
- uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # ratchet:actions/checkout@v3 | |
with: | |
fetch-depth: "0" # all history | |
persist-credentials: false | |
# always check out the main branch by default. Otherwise the starting branch is based on the | |
# triggering event which can seem unpredictable when the workflow is triggered in different branches. | |
ref: main | |
- uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd # ratchet:pnpm/action-setup@v2 | |
- uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # ratchet:actions/setup-node@v3 | |
with: | |
node-version-file: .nvmrc | |
cache: "pnpm" | |
cache-dependency-path: pnpm-lock.yaml | |
- name: Install Fluid build tools | |
continue-on-error: true | |
run: | | |
cd build-tools | |
pnpm install --frozen-lockfile | |
pnpm run build:compile | |
# add the bin dir of build-cli to the path | |
cd packages/build-cli/bin | |
echo "$(pwd)" >> $GITHUB_PATH | |
# the `url.https://${secret}@github.com/.insteadOf` configuration is used to substitute the default GitHub URL | |
# with a custom URL that includes a secret token for secure authentication and authorization during Git operations, | |
# such as pushing to a remote repository on GitHub. | |
# https://git-scm.com/docs/git-config#Documentation/git-config.txt-urlltbasegtinsteadOf | |
- name: Set Git config | |
env: | |
TOKEN: ${{ secrets.BOT_MAIN_NEXT_WORKFLOW_PAT }} | |
run: | | |
git config user.name $USERNAME | |
git config user.email $EMAIL | |
git config url.https://${{ env.TOKEN }}@github.com/.insteadOf https://github.com/ | |
- name: Run merge command | |
env: | |
# PAT is loaded automatically from env variable | |
GITHUB_PAT: ${{ secrets.BOT_MAIN_NEXT_WORKFLOW_PAT }} | |
run: | | |
flub merge branches -s $SOURCE_BRANCH -t $TARGET_BRANCH -b $BATCH --reviewers $REVIEWER1 -v |