update scripts

Author: devmobasa

tools/bump-version.sh

@@ -45,16 +45,29 @@ if [[ -z "$current_version" ]]; then
 fi
 
 DRY_RUN=false
-if [[ "${1-}" == "--dry-run" ]]; then
-    DRY_RUN=true
-    shift
-fi
-
-# Allow --dry-run --help to show usage
-if [[ "${1-}" == "-h" || "${1-}" == "--help" ]]; then
-    usage
-    exit 0
-fi
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --dry-run)
+            DRY_RUN=true
+            shift
+            ;;
+        -h|--help)
+            usage
+            exit 0
+            ;;
+        --)
+            shift
+            break
+            ;;
+        -*)
+            usage
+            exit 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
 
 if [[ $# -gt 1 ]]; then
     usage

tools/tag-release.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+    cat <<'EOF'
+Usage: tools/tag-release.sh <version>
+
+Creates an annotated git tag "v<version>".
+
+Requirements:
+- Clean working tree (no staged/unstaged/untracked changes)
+- Tag must not already exist
+
+Examples:
+  tools/tag-release.sh 0.9.1
+EOF
+}
+
+require_bin() {
+    if ! command -v "$1" >/dev/null 2>&1; then
+        echo "error: $1 is required" >&2
+        exit 1
+    fi
+}
+
+if [[ "${1-}" == "-h" || "${1-}" == "--help" || $# -ne 1 ]]; then
+    usage
+    exit 0
+fi
+
+require_bin git
+
+version="$1"
+tag="v${version}"
+
+if ! [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    echo "error: invalid version format: $version (expected MAJOR.MINOR.PATCH)" >&2
+    exit 1
+fi
+
+if [[ -n "$(git status --porcelain --untracked-files=all)" ]]; then
+    echo "error: working tree is not clean; commit/stash changes before tagging" >&2
+    exit 1
+fi
+
+if git rev-parse -q --verify "refs/tags/${tag}" >/dev/null; then
+    echo "error: tag ${tag} already exists" >&2
+    exit 1
+fi
+
+git tag -a "${tag}" -m "Release ${tag}"
+echo "Created tag ${tag}"