feat: добавил метод GC в GitRepository

Author: ArXa1L

src/Cement.Cli.Common/Exceptions/GitGCException.cs

@@ -0,0 +1,9 @@
+namespace Cement.Cli.Common.Exceptions;
+
+public sealed class GitGCException : CementException
+{
+    public GitGCException(string message)
+        : base(message)
+    {
+    }
+}

src/Cement.Cli.Common/GitRepository.cs

@@ -95,6 +95,24 @@ public void Init()
         IsGitRepo = true;
     }
 
+    /// <summary>
+    /// Cleanup unnecessary files and optimize the local repository
+    /// </summary>
+    public void GC()
+    {
+        using var workspaceScope = logger.BeginScope("{Workspace}", Workspace);
+        using var moduleScope = logger.BeginScope("{ModuleName}", ModuleName);
+        logger.LogInformation("git-gc");
+
+        const string cmd = "git gc";
+
+        var (exitCode, _, errors) = shellRunner.Run(cmd);
+        if (exitCode != 0)
+        {
+            throw new GitGCException("Failed to collect garbage, details:\n" + errors);
+        }
+    }
+
     public CurrentTreeish CurrentLocalTreeish()
     {
         logger.LogInformation($"{"[" + ModuleName + "]",-30}Getting current treeish");