chore(scripts): improve CLI option parsing and error handling

scripts/generate-changelog.sh

@@ -39,27 +39,77 @@ show_help() {
 # 1 Parse CLI options
 while [[ $# -gt 0 ]]; do
   case "$1" in
-    -c|--config) [[ $# -lt 2 ]] && { echo "❌ $1 requires a value"; exit 1; }; CONFIG_FILE="$2"; shift 2 ;;
-    -t|--tag)    [[ $# -lt 2 ]] && { echo "❌ $1 requires a value"; exit 1; }; TAG="$2";         shift 2 ;;
-    -o|--out)    [[ $# -lt 2 ]] && { echo "❌ $1 requires a value"; exit 1; }; OUT_FILE="$2";    shift 2 ;;
-    -d|--debug)  DEBUG=true; shift ;;
-    -h|--help)   show_help; exit 0 ;;
-    *)           echo "❌ Unknown option: $1"; show_help; exit 1 ;;
+  -c | --config)
+    [[ $# -lt 2 ]] && {
+      echo "❌ $1 requires a value"
+      exit 1
+    }
+    CONFIG_FILE="$2"
+    shift 2
+    ;;
+  -t | --tag)
+    [[ $# -lt 2 ]] && {
+      echo "❌ $1 requires a value"
+      exit 1
+    }
+    TAG="$2"
+    shift 2
+    ;;
+  -o | --out)
+    [[ $# -lt 2 ]] && {
+      echo "❌ $1 requires a value"
+      exit 1
+    }
+    OUT_FILE="$2"
+    shift 2
+    ;;
+  -d | --debug)
+    DEBUG=true
+    shift
+    ;;
+  -h | --help)
+    show_help
+    exit 0
+    ;;
+  *)
+    echo "❌ Unknown option: $1"
+    show_help
+    exit 1
+    ;;
   esac
 done
 
 # 2 Basic validation
-[[ -z "$CONFIG_FILE" || -z "$TAG" ]] && { echo "❌ --config and --tag are required"; show_help; exit 1; }
-[[ "$DEBUG" = false && -z "$OUT_FILE" ]] && { echo "❌ --out is required unless --debug is set"; show_help; exit 1; }
-[[ ! -r "$CONFIG_FILE" ]] && { echo "❌ Config file not found or unreadable: $CONFIG_FILE"; exit 1; }
+[[ -z "$CONFIG_FILE" || -z "$TAG" ]] && {
+  echo "❌ --config and --tag are required"
+  show_help
+  exit 1
+}
+[[ "$DEBUG" = false && -z "$OUT_FILE" ]] && {
+  echo "❌ --out is required unless --debug is set"
+  show_help
+  exit 1
+}
+[[ ! -r "$CONFIG_FILE" ]] && {
+  echo "❌ Config file not found or unreadable: $CONFIG_FILE"
+  exit 1
+}
 if [[ "$DEBUG" = false ]]; then
   OUT_DIR=$(dirname "$OUT_FILE")
-  [[ ! -d "$OUT_DIR" ]] && { echo "❌ Output directory does not exist: $OUT_DIR"; exit 1; }
+  [[ ! -d "$OUT_DIR" ]] && {
+    echo "❌ Output directory does not exist: $OUT_DIR"
+    exit 1
+  }
 fi
 
 # 3 Required tools
-need() { command -v "$1" >/dev/null || { echo "❌ $1 is required but not installed"; exit 1; }; }
-need git; need git-cliff; need sed
+need() { command -v "$1" >/dev/null || {
+  echo "❌ $1 is required but not installed"
+  exit 1
+}; }
+need git
+need git-cliff
+need sed
 
 # 4 Generate changelog
 if $DEBUG; then
@@ -67,6 +117,6 @@ if $DEBUG; then
   git cliff --config "$CONFIG_FILE" -t "$TAG" -s all
 else
   echo "📝 Generating changelog → $OUT_FILE"
-  git cliff --config "$CONFIG_FILE" -t "$TAG" -s all > "$OUT_FILE"
+  git cliff --config "$CONFIG_FILE" -t "$TAG" -s all >"$OUT_FILE"
   echo "✅ Changelog written to $OUT_FILE"
 fi