Enhance versioning tools

tools/bump.sh

@@ -85,23 +85,22 @@ main() {
 
   echo "Input a version number (hint: latest version is ${_latest_tag:1})"
 
-  read _version
+  read -p "> " _version
 
-  if [[ $_version =~ ^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]$ ]]; then
+  [[ $_version =~ ^[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]$ ]] ||
+    (
+      echo "Error: Illegal version number: '$_version'"
+      exit 1
+    )
 
   if git tag --list | egrep -q "^v$_version$"; then
     echo "Error: version '$_version' already exists"
-      exit -1
+    exit 1
   fi
 
   echo -e "Bump version to $_version\n"
   bump "$_version"
 
-  else
-
-    echo "Error: Illegal version number: '$_version'"
-  fi
-
 }
 
 main

tools/release.sh

@@ -16,6 +16,20 @@ set -eu
 
 GEM_SPEC="jekyll-theme-chirpy.gemspec"
 
+opt_pre=false
+
+help() {
+  echo "A tool to release new version Chirpy gem"
+  echo
+  echo "Usage:"
+  echo
+  echo "   bash ./tools/release.sh [options]"
+  echo
+  echo "Options:"
+  echo "     -p, --preview            Enable preview mode, only pakcage, and will not modify the branches"
+  echo "     -h, --help               Print this information."
+}
+
 check() {
   if [[ -n $(git status . -s) ]]; then
     echo "Error: Commit unstaged files first, and then run this tool againt."
@@ -43,6 +57,8 @@ release() {
   _version="$(grep "spec.version" jekyll-theme-chirpy.gemspec | sed 's/.*= "//;s/".*//')" # X.Y.Z
   _release_branch="release/${_version%.*}"
 
+  if [[ $opt_pre = "false" ]]; then
+    # Modify the GitLab release branches
     if [[ -z $(git branch -v | grep "$_release_branch") ]]; then
       # create a new release branch
       git checkout -b "$_release_branch"
@@ -53,9 +69,10 @@ release() {
       git cherry-pick "$_last_commit" -m 1
     fi
 
-  # create new tag
+    # Create a new tag
     echo -e "Create tag v$_version\n"
     git tag "v$_version"
+  fi
 
   # build a gem package
   echo -e "Build the gem pakcage for v$_version\n"
@@ -70,4 +87,23 @@ main() {
   release
 }
 
+while (($#)); do
+  opt="$1"
+  case $opt in
+  -p | --preview)
+    opt_pre=true
+    shift
+    ;;
+  -h | --help)
+    help
+    exit 0
+    ;;
+  *)
+    # unknown option
+    help
+    exit 1
+    ;;
+  esac
+done
+
 main