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Sync branch to template #77

Sync branch to template

Sync branch to template #77

Workflow file for this run

name: Sync branch to template
on:
workflow_dispatch:
inputs:
additional_files:
description: 'Comma-separated list of extra paths to sync, for example: .eslintrc,.prettierrc,.github'
required: false
schedule:
- cron: '14 0 1 * *'
jobs:
sync:
runs-on: ubuntu-latest
permissions:
actions: write
contents: write
pull-requests: write
steps:
- name: Check if repository is ts-template
run: |
if [[ "${{ github.repository }}" == "ubiquity/ts-template" ]]; then
echo "Skipping sync: this is the template repository."
exit 0
fi
- name: Checkout
uses: actions/checkout@v4
with:
fetch-depth: 0
token: ${{ secrets.PAT }} # Personal Access Token (PAT) with repo scope
- name: Get GitHub App token
uses: tibdex/github-app-token@v1.7.0
id: get_installation_token
with:
app_id: ${{ secrets.APP_ID }}
private_key: ${{ secrets.APP_PRIVATE_KEY }}
- name: Sync branch to template
env:
GH_TOKEN: ${{ steps.get_installation_token.outputs.token }}
WHITELIST_FILES: ".github/ .husky/ .eslintrc .nvmrc .prettierrc .yarnrc.yml tsconfig.json"
ADDITIONAL_FILES: ${{ github.event.inputs.additional_files }}
BLACKLIST_FILES: ".github/workflows/sync-template.yml"
run: |
branch_name=$(git rev-parse --abbrev-ref HEAD)
original_remote=$(git remote get-url origin)
pr_branch="sync-template/${branch_name}"
git config --global user.email "github-actions[bot]@users.noreply.github.com"
git config --global user.name "github-actions[bot]"
# Check if the sync branch already exists
if git ls-remote --exit-code --heads origin "$pr_branch"; then
echo "Branch $pr_branch already exists. Fetching and updating."
git fetch origin "$pr_branch"
git checkout "$pr_branch"
git rebase "origin/$branch_name"
else
echo "Creating new branch $pr_branch."
git checkout -b "$pr_branch"
fi
git clone https://github.com/zugdev/ts-template template-repo
# Convert WHITELIST_FILES to array
whitelist_files=()
IFS=' ' read -r -a whitelist_files <<< "$WHITELIST_FILES"
# Convert ADDITIONAL_FILES inputs to array
additional_files=()
if [[ -n "$ADDITIONAL_FILES" ]]; then
IFS=',' read -r -a additional_files <<< "$ADDITIONAL_FILES"
fi
# Convert BLACKLIST_FILES to array
blacklist_files=()
if [[ -n "$BLACKLIST_FILES" ]]; then
IFS=',' read -r -a blacklist_files <<< "$BLACKLIST_FILES"
echo "Blacklist files: ${blacklist_files[@]}"
fi
# Prepare file list for the PR body and process each whitelist file
file_list=""
for file in "${whitelist_files[@]}" "${additional_files[@]}"; do
if [[ -d "template-repo/$file" ]]; then
echo "Processing directory: $file"
mkdir -p "$file"
rsync -a --delete "template-repo/$file/" "$file/"
file_list+=$'\n'"- \`${file}\` (directory)"
elif [[ -e "template-repo/$file" ]]; then
echo "Processing file: $file"
mkdir -p "$(dirname "$file")" # creates parent dirs
cp -f "template-repo/$file" "$file"
file_list+=$'\n'"- \`${file}\`"
else
echo "Removing missing file or directory: $file"
rm -rf "$file"
file_list+=$'\n'"- \`${file}\` (removed)"
fi
done
# Check for blacklisted files and revert changes
echo "Checking for blacklisted files..."
for blacklisted in "${blacklist_files[@]}"; do
if [[ -e "$blacklisted" ]]; then
echo "Reverting blacklisted file or directory: $blacklisted"
git restore "$blacklisted"
fi
done
# Clean up
rm -rf template-repo/
# Commit changes
git add .
git commit -m "chore: sync template" || echo "No changes to commit."
# Push changes to the remote repository
git push "$original_remote" "$pr_branch" --force
# Check for existing pull requests
existing_pr=$(gh pr list --base "$branch_name" --head "$pr_branch" --state open --json id --jq '.[0].id')
# Include blacklist info in PR body if present
if [[ -n "$blacklist_list" ]]; then
file_list+=$'\n\n**Blacklisted Files**:'"$blacklist_list"
fi
# Create or update the pull request
if [[ -z "$existing_pr" ]]; then
gh pr create --title "Sync branch to template" --body "This pull request merges changes from the template repository, overwriting or removing the following files:${file_list}" --head "$pr_branch" --base "$branch_name"
else
gh pr edit "$pr_branch" --body "This pull request merges changes from the template repository, overwriting or removing the following files:${file_list}"
echo "Updated the existing pull request #$existing_pr."
fi