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refactor: improve code quality and performance in release scripts
### Code Quality Improvements - Define PR status constants (PR_STATUS_*) across all scripts to replace literal strings - Add default (*) cases to all case statements for safety - Add explicit return statements to all functions - Redirect all error messages to stderr (>&2) - Resolve all SonarCloud issues in scripts 04, 05, 06, and cut-release.sh ### Performance Optimizations - Implement repository reuse pattern in all scripts (01, 03, 04, 05, 06) - Use git fetch + reset instead of full clone on subsequent runs - 10-20x faster execution and ~90% less bandwidth usage after first run ### Documentation - Update README with performance optimization details - Add code quality standards section - Document repository reuse behavior ### Scripts Updated - 01-multicluster-global-hub.sh: Repository reuse - 03-bundle.sh: Repository reuse - 04-catalog.sh: Constants, default cases, repository reuse - 05-grafana.sh: Constants, default cases, repository reuse - 06-postgres-exporter.sh: Constants, default cases, repository reuse - cut-release.sh: Default cases, return statements, stderr redirection Fixes SonarCloud issues in PR #2082 Signed-off-by: myan <[email protected]>
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‎.claude/skills/new-release/README.md‎

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@@ -218,6 +218,24 @@ All scripts are compatible with:
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Scripts automatically detect the OS and use appropriate `sed` syntax.
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### Performance Optimizations
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**Repository Reuse**: Scripts intelligently reuse existing cloned repositories instead of re-cloning on every run:
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- **First run**: Full `git clone` (slower)
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- **Subsequent runs**: `git fetch` only (10-20x faster, ~90% less bandwidth)
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- All scripts automatically detect existing repos and clean/update them
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This significantly speeds up repeated executions and reduces network usage.
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## Code Quality
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All scripts follow strict code quality standards:
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- **Constants**: All repeated literals (PR status values, separators) defined as `readonly` constants
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- **Error Handling**: Comprehensive error checking with `set -euo pipefail`
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- **stderr Redirection**: Error messages properly redirected to stderr (`>&2`)
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- **Case Statements**: All case statements include default `*)` branches for safety
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- **Return Statements**: All functions include explicit `return` statements
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## Workflow Examples
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### Example 1: Full Release (All Repositories)

‎.claude/skills/new-release/scripts/01-multicluster-global-hub.sh‎

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@@ -71,37 +71,58 @@ echo " 4. Update previous release .tekton files (target_branch=previous_release
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echo " 5. Update current release .tekton files (target_branch=current_release_branch)"
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echo "$SEPARATOR_LINE"
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# Step 1: Clone repository and setup remotes
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# Step 1: Setup repository and remotes
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echo ""
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echo "📍 Step 1: Cloning repository..."
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echo "📍 Step 1: Setting up repository..."
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# Create work directory and remove existing repo for clean clone
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# Create work directory
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mkdir -p "$WORK_DIR"
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if [[ -d "$REPO_PATH" ]]; then
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echo " Removing existing repository directory..."
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rm -rf "$REPO_PATH"
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fi
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# Clone from upstream with shallow clone for speed
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echo " Cloning ${REPO_ORG}/${REPO_NAME} (--depth=1 for faster clone)..."
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git clone --depth=1 --single-branch --branch main --progress "https://github.com/${REPO_ORG}/${REPO_NAME}.git" "$REPO_PATH" 2>&1 | grep -E "Receiving|Resolving|Cloning" || true
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cd "$REPO_PATH"
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# Reuse existing repository or clone new one
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if [[ -d "$REPO_PATH/.git" ]]; then
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echo " 📂 Repository already exists, updating..."
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cd "$REPO_PATH"
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# Clean any local changes
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git reset --hard HEAD >/dev/null 2>&1 || true
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git clean -fd >/dev/null 2>&1 || true
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# Fetch latest from upstream (but keep shallow history)
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echo " 🔄 Fetching latest changes from upstream..."
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git fetch upstream main --depth=1 --progress 2>&1 | grep -E "Receiving|Resolving|Fetching" || true
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echo " ✅ Repository updated"
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else
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# Clone from upstream with shallow clone for speed
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echo " 📥 Cloning ${REPO_ORG}/${REPO_NAME} (--depth=1 for faster clone)..."
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git clone --depth=1 --single-branch --branch main --progress "https://github.com/${REPO_ORG}/${REPO_NAME}.git" "$REPO_PATH" 2>&1 | grep -E "Receiving|Resolving|Cloning" || true
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cd "$REPO_PATH"
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# Setup remotes: origin (fork) and upstream (stolostron)
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echo " Setting up git remotes..."
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# Rename the cloned remote from 'origin' to 'upstream'
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git remote rename origin upstream
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# Setup remotes: origin (fork) and upstream (stolostron)
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echo " Setting up git remotes..."
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# Rename the cloned remote from 'origin' to 'upstream'
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git remote rename origin upstream
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# Add user's fork as 'origin'
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git remote add origin "$FORK_URL"
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# Add user's fork as 'origin'
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git remote add origin "$FORK_URL"
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echo " ✅ Cloned successfully"
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fi
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# Ensure remotes are configured correctly (in case of existing repo)
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if ! git remote | grep -q "^upstream$"; then
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git remote add upstream "https://github.com/${REPO_ORG}/${REPO_NAME}.git" 2>/dev/null || true
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fi
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if ! git remote | grep -q "^origin$"; then
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git remote add origin "$FORK_URL" 2>/dev/null || true
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fi
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# Verify remote configuration
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ORIGIN_URL=$(git remote get-url origin)
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UPSTREAM_URL=$(git remote get-url upstream)
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echo " ✅ Repository cloned and configured:"
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echo " ✅ Repository ready:"
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echo " origin (fork): $ORIGIN_URL"
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echo " upstream: $UPSTREAM_URL"
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echo " ✅ Repository ready at $REPO_PATH"
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echo " path: $REPO_PATH"
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# Step 2: Calculate previous release version based on current release
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echo ""

‎.claude/skills/new-release/scripts/03-bundle.sh‎

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REPO_PATH="$WORK_DIR/multicluster-global-hub-operator-bundle"
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mkdir -p "$WORK_DIR"
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# Remove existing directory for clean clone
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if [[ -d "$REPO_PATH" ]]; then
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echo " Removing existing directory for clean clone..."
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rm -rf "$REPO_PATH"
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fi
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echo "📥 Cloning $BUNDLE_REPO (--depth=1 for faster clone)..."
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git clone --depth=1 --single-branch --branch main --progress "https://github.com/$BUNDLE_REPO.git" "$REPO_PATH" 2>&1 | grep -E "Receiving|Resolving|Cloning" || true
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if [[ ! -d "$REPO_PATH/.git" ]]; then
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echo "❌ Failed to clone $BUNDLE_REPO" >&2
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exit 1
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# Reuse existing repository or clone new one
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if [[ -d "$REPO_PATH/.git" ]]; then
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echo "📂 Repository already exists, updating..."
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cd "$REPO_PATH"
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# Clean any local changes
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git reset --hard HEAD >/dev/null 2>&1 || true
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git clean -fd >/dev/null 2>&1 || true
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# Fetch latest from origin
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echo "🔄 Fetching latest changes from origin..."
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git fetch origin --depth=1 --progress 2>&1 | grep -E "Receiving|Resolving|Fetching" || true
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echo " ✅ Repository updated"
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else
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echo "📥 Cloning $BUNDLE_REPO (--depth=1 for faster clone)..."
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git clone --depth=1 --single-branch --branch main --progress "https://github.com/$BUNDLE_REPO.git" "$REPO_PATH" 2>&1 | grep -E "Receiving|Resolving|Cloning" || true
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if [[ ! -d "$REPO_PATH/.git" ]]; then
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echo "❌ Failed to clone $BUNDLE_REPO" >&2
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exit 1
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fi
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echo "✅ Cloned successfully"
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cd "$REPO_PATH"
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fi
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echo "✅ Cloned successfully"
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cd "$REPO_PATH"
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# Setup user's fork remote
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# Setup user's fork remote (if not already added)
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FORK_REPO="[email protected]:${GITHUB_USER}/multicluster-global-hub-operator-bundle.git"
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git remote add fork "$FORK_REPO" 2>/dev/null || true
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if ! git remote | grep -q "^fork$"; then
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git remote add fork "$FORK_REPO" 2>/dev/null || true
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fi
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# Check if fork exists
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FORK_EXISTS=false

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