feat: add Built-in parameters: CURRENT_BRANCH, Fixes #1633

Author: heartacker

src/Resources/Locales/en_US.axaml

@@ -174,7 +174,7 @@
   <x:String x:Key="Text.Configure.CommitMessageTemplate.Name" xml:space="preserve">Template Name:</x:String>
   <x:String x:Key="Text.Configure.CustomAction" xml:space="preserve">CUSTOM ACTION</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Arguments" xml:space="preserve">Arguments:</x:String>
-  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">Built-in parameters: ${REPO} - repository's path; ${DIRNAME} - repository's directory name; ${BRANCH} - selected branch; ${SHA} - selected commit's hash; ${TAG} - selected tag</x:String>
+  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">Built-in parameters: ${REPO} - repository's path; ${DIRNAME} - repository's directory name; ${BRANCH} - selected branch; {CURRENT_BRANCH} - current branch; ${SHA} - selected commit's hash; ${TAG} - selected tag</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Executable" xml:space="preserve">Executable File:</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls" xml:space="preserve">Input Controls:</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls.Edit" xml:space="preserve">Edit</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -178,7 +178,7 @@
   <x:String x:Key="Text.Configure.CommitMessageTemplate.Name" xml:space="preserve">模板名 ：</x:String>
   <x:String x:Key="Text.Configure.CustomAction" xml:space="preserve">自定义操作</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Arguments" xml:space="preserve">命令行参数 ：</x:String>
-  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">内置变量：${REPO} 仓库路径、${DIRNAME} 仓库文件夹名、${BRANCH} 选中的分支、${SHA} 选中的提交哈希，${TAG} 选中的标签</x:String>
+  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">内置变量：${REPO} 仓库路径、${DIRNAME} 仓库文件夹名、${BRANCH} 选中的分支、${CURRENT_BRANCH} 当前的分支、${SHA} 选中的提交哈希，${TAG} 选中的标签</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Executable" xml:space="preserve">可执行文件路径 ：</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls" xml:space="preserve">输入控件 ：</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls.Edit" xml:space="preserve">编辑</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -178,7 +178,7 @@
   <x:String x:Key="Text.Configure.CommitMessageTemplate.Name" xml:space="preserve">範本名稱:</x:String>
   <x:String x:Key="Text.Configure.CustomAction" xml:space="preserve">自訂動作</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Arguments" xml:space="preserve">指令參數:</x:String>
-  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">內建參數: ${REPO} 存放庫路徑、${DIRNAME} 存放庫資料夾名、${BRANCH} 所選的分支、${SHA} 所選的提交編號、${TAG} 所選的標籤</x:String>
+  <x:String x:Key="Text.Configure.CustomAction.Arguments.Tip" xml:space="preserve">內建參數: ${REPO} 存放庫路徑、${DIRNAME} 存放庫資料夾名、${BRANCH} 所選的分支、${CURRENT_BRANCH} 當前分支、${SHA} 所選的提交編號、${TAG} 所選的標籤</x:String>
   <x:String x:Key="Text.Configure.CustomAction.Executable" xml:space="preserve">可執行檔案路徑:</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls" xml:space="preserve">輸入控件:</x:String>
   <x:String x:Key="Text.Configure.CustomAction.InputControls.Edit" xml:space="preserve">編輯</x:String>

src/ViewModels/ExecuteCustomAction.cs

@@ -204,6 +204,7 @@ private string PrepareStringByTarget(string org)
         {
             org = org.Replace("${REPO}", GetWorkdir());
             org = org.Replace("${DIRNAME}", GetWorkdirname());
+            org = org.Replace("${CURRENT_BRANCH}", GetCurrentBranch());
 
             return Target switch
             {
@@ -224,6 +225,11 @@ private string GetWorkdirname()
             return _repo.FullPath.Replace("\\", "/").Split('/')[^1];
         }
 
+        private string GetCurrentBranch()
+        {
+            return _repo.CurrentBranch?.FriendlyName ?? string.Empty;
+        }
+
         private void Run(string args)
         {
             var start = new ProcessStartInfo();