This repository has been archived by the owner on Aug 20, 2024. It is now read-only.
Sync fork with upstream #25837
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Script is (loosely) based on two references: | |
# * https://stackoverflow.com/questions/23793062/can-forks-be-synced-automatically-in-github | |
# * https://stackoverflow.com/questions/69918635/how-to-keep-all-branches-and-tags-in-sync-in-a-fork-or-mirror-repo | |
# [!] Note: Do not do a force push to not overwrite the .github/workflow/main.yml file. | |
# We are not using a predefined action (eg. [1]) to not go through the hassle of having to | |
# manage Github Personal Access Tokens for deephdc. | |
# [1]: https://github.com/repo-sync/github-sync | |
name: Sync fork with upstream | |
on: | |
schedule: | |
# run at max frequency | |
- cron: '* * * * *' | |
# Allows you to run this workflow manually from the Actions tab | |
workflow_dispatch: | |
jobs: | |
build: | |
runs-on: ubuntu-latest | |
steps: | |
# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it | |
- uses: actions/checkout@v3 | |
with: | |
fetch-depth: 0 | |
- name: Sync fork with upstream | |
run: | | |
######################################################### | |
# YOU SHOULD UPDATE THIS LINE | |
######################################################### | |
UPSTREAM_REPO=https://github.com/DFKI-NI/litter_assessment_service.git | |
######################################################### | |
# Bot config | |
git config user.name 'github-actions[bot]' | |
git config user.email 'github-actions[bot]@users.noreply.github.com' | |
# Add remote | |
git remote add upstream $UPSTREAM_REPO | |
git fetch upstream | |
# Keep track of branch names | |
origin_branches=$(git branch -r | grep -v 'HEAD' | grep 'origin/' | cut -f 2 -d '/') | |
upstream_branches=$(git branch -r | grep 'upstream/' | cut -f 2 -d '/') | |
old_branches=$(comm -13 <(printf '%s\n' "${upstream_branches[@]}" | LC_ALL=C sort) <(printf '%s\n' "${origin_branches[@]}" | LC_ALL=C sort)) | |
new_branches=$(comm -13 <(printf '%s\n' "${origin_branches[@]}" | LC_ALL=C sort) <(printf '%s\n' "${upstream_branches[@]}" | LC_ALL=C sort)) | |
existing_branches=$(comm -13 <(printf '%s\n' "${new_branches[@]}" | LC_ALL=C sort) <(printf '%s\n' "${upstream_branches[@]}" | LC_ALL=C sort)) | |
# Delete old branches from origin | |
echo "# Deleting old branches ..." | |
for tmp_branch in $old_branches; do | |
echo "## Processing $tmp_branch ..." | |
git push origin --delete $tmp_branch | |
done | |
# Create origin branches for new upstream branches | |
echo "# Creating new branches ..." | |
for tmp_branch in $new_branches; do | |
echo "## Processing $tmp_branch ..." | |
git checkout -b $tmp_branch upstream/$tmp_branch | |
git push origin | |
done | |
# Merge changes from upstream to origin for existing branches | |
echo "# Merging existing branches ..." | |
git config --add checkout.defaultRemote origin | |
for tmp_branch in $existing_branches; do | |
echo "## Processing $tmp_branch ..." | |
git checkout $tmp_branch | |
git merge --no-edit upstream/$tmp_branch | |
git push origin | |
done | |
# Sync tags | |
git tag -d $(git tag -l) | |
git fetch upstream --tags --quiet | |
git push origin --tags --force | |
# Keep the workflow running | |
# Github automatically disbales a workflow is the repo hasn't seen activity in the last 60 days. | |
# This steps will make a dummy commit after 50 days of inactivity to avoid the disabling. | |
- uses: gautamkrishnar/keepalive-workflow@v1 |