build(release): improve version release strategy

.github/workflows/cd.yml

@@ -1,7 +1,10 @@
 name: CD
 on:
   push:
-    branches: [production, docs]
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+    branches:
+      - docs
 
 jobs:
   launch:

tools/release

@@ -15,16 +15,15 @@
 set -eu
 
 opt_pre=false # preview mode option
-opt_skip_ver=false # option for skip versioning
 
 working_branch="$(git branch --show-current)"
 
+# AKA the default branch, main/master branch
 STAGING_BRANCH="$(git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@')"
 
 PROD_BRANCH="production"
 
 GEM_SPEC="jekyll-theme-chirpy.gemspec"
-
 NODE_CONFIG="package.json"
 
 JS_DIST="assets/js/dist"
@@ -50,21 +49,30 @@ help() {
   echo "   bash ./tools/release [options]"
   echo
   echo "Options:"
-  echo "     -k, --skip-versioning    Skip the step of generating the version number."
   echo "     -p, --preview            Enable preview mode, only package, and will not modify the branches"
   echo "     -h, --help               Print this information."
 }
 
+_check_cli() {
+  for i in "${!TOOLS[@]}"; do
+    cli="${TOOLS[$i]}"
+    if ! command -v "$cli" &>/dev/null; then
+      echo "> Command '$cli' not found!"
+      exit 1
+    fi
+  done
+}
+
 _check_git() {
   # ensure nothing is uncommitted
   if [[ -n $(git status . -s) ]]; then
-    echo "Abort: Commit the staged files first, and then run this tool again."
+    echo "> Abort: Commit the staged files first, and then run this tool again."
     exit 1
   fi
 
-  # ensure the working branch is the main/patch branch
+  # ensure the working branch is the default/patch branch
   if [[ $working_branch != "$STAGING_BRANCH" && $working_branch != hotfix/* ]]; then
-    echo "Abort: Please run on the main branch or patch branches."
+    echo "> Abort: Please run on the $STAGING_BRANCH branch or a patch branche."
     exit 1
   fi
 }
@@ -73,18 +81,7 @@ _check_src() {
   for i in "${!FILES[@]}"; do
     _src="${FILES[$i]}"
     if [[ ! -f $_src && ! -d $_src ]]; then
-      echo -e "Error: Missing file \"$_src\"!\n"
+      echo -e "> Error: Missing file \"$_src\"!\n"
-      exit 1
-    fi
-  done
-
-}
-
-_check_command() {
-  for i in "${!TOOLS[@]}"; do
-    cli="${TOOLS[$i]}"
-    if ! command -v "$cli" &>/dev/null; then
-      echo "Command '$cli' not found!"
       exit 1
     fi
   done
@@ -97,26 +94,55 @@ _check_node_packages() {
 }
 
 check() {
-  _check_command
+  _check_cli
   _check_git
   _check_src
   _check_node_packages
 }
 
-## Bump latest version number and create a commit to save the changes
+# auto-generate a new version number to the file 'package.json' and
-bump() {
+bump_node() {
-  sed -i "s/[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+/$1/" "$GEM_SPEC"
+  if $opt_pre; then
-
+    standard-version --prerelease rc
-  if [[ $opt_pre = false && -n $(git status . -s) ]]; then
+  else
-    git add .
+    standard-version
-    git commit -m "chore(release): $1"
   fi
+
+  # Change heading of Patch version to heading level 2 (a bug from `standard-version`)
+  sed -i "s/^### \[/## \[/g" CHANGELOG.md
+  # Replace multiple empty lines with a single empty line
+  sed -i "/^$/N;/^\n$/D" CHANGELOG.md
+}
+
+## Bump new version to gem config file
+bump_gem() {
+  sed -i "s/[[:digit:]]\+\.[[:digit:]]\+\.[[:digit:]]\+/$1/" "$GEM_SPEC"
+}
+
+# Update the git branches, create a new tag, and then build the gem package.
+release() {
+  _version="$1" # X.Y.Z
+  _latest_commit="$(git rev-parse HEAD)"
+
+  # Create a new tag on production branch
+  echo -e "> Create tag v$_version\n"
+  git tag "v$_version"
+
+  git checkout "$STAGING_BRANCH"
+
+  if [[ $working_branch == hotfix/* ]]; then
+    git merge --no-ff --no-edit "$working_branch"
+    # delete the patch branch
+    git branch -D "$working_branch"
+  fi
+
+  # cherry-pick the latest commit from production branch to default branch
+  git cherry-pick "$_latest_commit"
+
 }
 
 ## Build a gem package
 build_gem() {
-  echo -e "Build the gem package for v$_version\n"
-
   # Remove unnecessary theme settings
   sed -i "s/^img_cdn:.*/img_cdn:/;s/^avatar:.*/avatar:/" _config.yml
   rm -f ./*.gem
@@ -129,62 +155,38 @@ build_gem() {
   # Resume the settings
   git reset
   git checkout .
-}
-
-# Update the git branch graph, tag, and then build the gem package.
-release() {
-  _version="$1" # X.Y.Z
-
-  git checkout "$PROD_BRANCH"
-  git merge --no-ff --no-edit "$working_branch"
-
-  # Create a new tag on working branch
-  echo -e "Create tag v$_version\n"
-  git tag "v$_version"
-
-  # Merge from patch branch to the staging branch
-  if [[ $working_branch == hotfix/* ]]; then
-    git checkout "$STAGING_BRANCH"
-    git merge --no-ff --no-edit "$working_branch"
-    git branch -D "$working_branch"
-  fi
-}
-
-main() {
-  if [[ $opt_skip_ver = false ]]; then
-    check
-
-    # auto-generate a new version number to the file 'package.json'
-    if $opt_pre; then
-      standard-version --prerelease rc
-    else
-      standard-version
-    fi
-  fi
-
-  # Change heading of Patch version to level 2 (a bug from `standard-version`)
-  sed -i "s/^### \[/## \[/g" CHANGELOG.md
-  # Replace multiple empty lines with a single empty line
-  sed -i "/^$/N;/^\n$/D" CHANGELOG.md
-
-  _version="$(grep '"version":' "$NODE_CONFIG" | sed 's/.*: "//;s/".*//')"
-
-  echo -e "Bump version number to $_version\n"
-  bump "$_version"
-
-  build_gem
-
-  if [[ $opt_pre = true ]]; then
-    # Undo all changes on Git
-    git reset --hard && git clean -fd
-  else
-    release "$_version"
-  fi
 
   # restore the dist files for future development
   mkdir -p "$JS_DIST" && cp "$BACKUP_PATH"/* "$JS_DIST"
 }
 
+main() {
+  check
+
+  if [[ $opt_pre = false ]]; then
+    git checkout "$PROD_BRANCH"
+    git merge --no-ff --no-edit "$working_branch"
+  fi
+
+  bump_node
+
+  _version="$(grep '"version":' "$NODE_CONFIG" | sed 's/.*: "//;s/".*//')"
+
+  bump_gem "$_version"
+
+  echo -e "> Build the gem package for v$_version\n"
+
+  if [[ $opt_pre = false ]]; then
+    echo -e "> Bumped version number to $_version\n"
+    git add .
+    git commit -m "chore(release): $_version"
+
+    release "$_version"
+  fi
+
+  build_gem
+}
+
 while (($#)); do
   opt="$1"
   case $opt in
@@ -192,10 +194,6 @@ while (($#)); do
     opt_pre=true
     shift
     ;;
-  -k | --skip-versioning)
-    opt_skip_ver=true
-    shift
-    ;;
   -h | --help)
     help
     exit 0