Add git.clone and git.checkout states

app/classes/git/Repository.js

@@ -62,6 +62,20 @@ class Repository extends Injectable {
         await this._git_cmd(`checkout "${ref}"`)
     }
 
+    async current_branch() {
+        const cd_cmd = await this._host.get_directory_change_command(this._path)
+        const cmd = `${cd_cmd} && git symbolic-ref HEAD`
+        const full_ref = await this._host.run_line_result(cmd)
+        return full_ref.replace('refs/heads/', '')
+    }
+
+    async current_ref() {
+        const cd_cmd = await this._host.get_directory_change_command(this._path)
+        const cmd = `${cd_cmd} && git show-ref HEAD`
+        const ref = await this._host.run_line_result(cmd)
+        return ref.split(' ')[0]
+    }
+
     async stash() {
         await this._git_cmd(`stash`)
     }