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Sync fork with upstream #59934
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| # 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/jmbIFR/marine_species_seg.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 |