feat(git-commit-plugin): add new flag -a|--attention & similar

plugins/git-commit/git-commit.plugin.zsh

@@ -14,6 +14,48 @@ _git_commit_aliases=(
   'wip'
 )
 
+local -a _git_commit_flags
+_git_commit_flags=(
+  '-s'
+  '--scope'
+  '-a'
+  '--attention'
+  '-sa'
+  '-as'
+)
+
+remove_flags() {
+  local message="$1"
+  local flags=("${@:2}")
+
+  local regex=$(IFS="|"; echo "${flags[*]}")
+
+  message=$(sed -E "s/\s($regex)\s|\s($regex)$//g" <<< "$message")
+
+  echo "$message"
+}
+
+build_message () {
+  if [[ "$*" =~ (-sa|-as) ]]; then
+    local attention='!'
+    local scope="($2)"
+    shift 2
+  else
+    if [[ "$*" =~ (-s|--scope) ]]; then
+      local scope="($2)"
+      shift 2
+    fi
+
+    if [[ "$*" =~ (-a|--attention) ]]; then
+      local attention='!'
+    fi
+  fi
+
+  local message="'$type'${scope}$attention: $@";
+
+  git commit -m $(remove_flags "$message" "${_git_commit_flags[@]}")
+};
+
 local alias type
 for type in "${_git_commit_aliases[@]}"; do
   # an alias can't be named "revert" because the git command takes precedence
@@ -23,10 +65,9 @@ for type in "${_git_commit_aliases[@]}"; do
   *) alias=$type ;;
   esac
 
-  local func='!a() { if [ "$1" = "-s" ] || [ "$1" = "--scope" ]; then local scope="$2"; shift 2; git commit -m "'$type'(${scope}): ${@}"; else git commit -m "'$type': ${@}"; fi }; a'
   if ! git config --global --get-all alias.${alias} >/dev/null 2>&1; then
-    git config --global alias.${alias} "$func"
+    git config --global alias.${alias} build_message
   fi
 done
 
-unset _git_commit_aliases alias type func
+unset _git_commit_aliases _flags alias type