Add 'git_version' function

- Avoid updating the application version in future releases

cghooks

@@ -22,7 +22,7 @@ use BrainMaestro\GitHooks\Commands\ListCommand;
 use BrainMaestro\GitHooks\Commands\HookCommand;
 use Symfony\Component\Console\Application;
 
-$application = new Application('Composer Git Hooks', 'v2.2.0');
+$application = new Application('Composer Git Hooks', git_version());
 
 $hooks = Hook::getValidHooks($dir);
 $application->add(new AddCommand($hooks));

src/helpers.php

@@ -1,5 +1,7 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 if (! function_exists('windows_os')) {
     /**
      * Determine whether the current environment is Windows based.
@@ -29,3 +31,18 @@ function mkdir_if_not_exist($dir, $mode = 0700, $recursive = true)
         }
     }
 }
+
+if (! function_exists('git_version')) {
+    /**
+     * Get latest git tag version.
+     *
+     * @return string
+     */
+    function git_version()
+    {
+        $process = new Process('git describe --tags $(git rev-list --tags --max-count=1)');
+        $process->run();
+
+        return trim($process->getOutput()) ?: 'unreleased';
+    }
+}