chore: add sample update workflow (#353)

Author: ymc9

.github/workflows/update-samples.yml

@@ -0,0 +1,115 @@
+name: Update Sample Repos
+
+on:
+    release:
+        types: [published]
+    workflow_dispatch:
+
+permissions:
+    contents: read
+
+jobs:
+    update-samples:
+        runs-on: ubuntu-latest
+        outputs:
+            repos: ${{ steps.get-repos.outputs.repos }}
+
+        steps:
+            - name: Get all public repos with v3-sample topic in @zenstackhq org
+              id: get-repos
+              env:
+                  GH_TOKEN: ${{ secrets.PAT_TOKEN }}
+              run: |
+                  # Get all public repos from the zenstackhq org with v3-sample topic
+                  REPOS=$(gh repo list zenstackhq --json name,isPrivate,nameWithOwner,repositoryTopics --limit 100 | \
+                    jq -r '.[] | select(.isPrivate == false) | select((.repositoryTopics // []) | map(.name) | contains(["v3-sample"])) | .nameWithOwner')
+
+                  echo "Found repos with v3-sample topic:"
+                  echo "$REPOS"
+
+                  # Convert to JSON array for matrix
+                  REPOS_JSON=$(echo "$REPOS" | jq -R -s -c 'split("\n") | map(select(length > 0))')
+                  echo "repos=$REPOS_JSON" >> $GITHUB_OUTPUT
+
+            - name: Display repos to update
+              run: |
+                  echo "Will update the following repos:"
+                  echo '${{ steps.get-repos.outputs.repos }}' | jq -r '.[]'
+
+    update-repo:
+        needs: update-samples
+        runs-on: ubuntu-latest
+        if: ${{ needs.update-samples.outputs.repos != '[]' }}
+        strategy:
+            matrix:
+                repo: ${{ fromJson(needs.update-samples.outputs.repos) }}
+            fail-fast: false
+
+        steps:
+            - name: Checkout target repo
+              uses: actions/checkout@v4
+              with:
+                  repository: ${{ matrix.repo }}
+                  token: ${{ secrets.PAT_TOKEN }}
+
+            - name: Check if package.json exists
+              id: check-package
+              run: |
+                  if [ -f "package.json" ]; then
+                    echo "exists=true" >> $GITHUB_OUTPUT
+                  else
+                    echo "exists=false" >> $GITHUB_OUTPUT
+                  fi
+
+            - name: Use Node.js
+              if: steps.check-package.outputs.exists == 'true'
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 20.x
+                  cache: 'npm'
+
+            - name: Update @zenstackhq packages to next
+              if: steps.check-package.outputs.exists == 'true'
+              run: |
+                  # Get all @zenstackhq packages in the repo
+                  PACKAGES=$(cat package.json | jq -r '
+                    [.dependencies, .devDependencies] |
+                    add |
+                    to_entries |
+                    map(select(.key | startswith("@zenstackhq/"))) |
+                    map(.key) |
+                    .[]
+                  ')
+
+                  if [ -z "$PACKAGES" ]; then
+                    echo "No @zenstackhq packages found in ${{ matrix.repo }}"
+                    exit 0
+                  fi
+
+                  echo "Updating packages in ${{ matrix.repo }}:"
+                  echo "$PACKAGES"
+
+                  # Update each package to next tag
+                  for pkg in $PACKAGES; do
+                    echo "Updating $pkg to next"
+                    npm install "$pkg@next"
+                  done
+
+                  # Finally run zenstack generate
+                  npx zen generate
+
+            - name: Commit and push changes
+              if: steps.check-package.outputs.exists == 'true'
+              run: |
+                  git config --global user.name "GitHub Actions Bot"
+                  git config --global user.email "[email protected]"
+
+                  # Check if there are changes to commit
+                  if git diff --quiet && git diff --staged --quiet; then
+                    echo "No changes to commit"
+                    exit 0
+                  fi
+
+                  git add .
+                  git commit -m "chore: update @zenstackhq packages to next release"
+                  git push