fix: Improve repo clone performance by using shallow clones

Fixes #201.

CHANGELOG.md

@@ -8,6 +8,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Reduce the time it takes to clone the config and trash repositories by performing shallow clones
+  (#201).
+
 ## [5.2.0] - 2023-08-06
 
 ### Added

src/Recyclarr.TrashLib/Repo/VersionControl/GitRepository.cs

@@ -79,7 +79,7 @@ public sealed class GitRepository : IGitRepository
         await RunGitCmd("remote", "set-url", name, newUrl.ToString());
     }
 
-    public async Task Clone(Uri cloneUrl, string? branch = null)
+    public async Task Clone(Uri cloneUrl, string? branch = null, int depth = 0)
     {
         var args = new List<string> {"clone"};
         if (branch is not null)
@@ -87,6 +87,11 @@ public sealed class GitRepository : IGitRepository
             args.AddRange(new[] {"-b", branch});
         }
 
+        if (depth != 0)
+        {
+            args.AddRange(new[] {"--depth", depth.ToString()});
+        }
+
         args.AddRange(new[] {cloneUrl.ToString(), "."});
         await RunGitCmd(args);
     }

src/Recyclarr.TrashLib/Repo/VersionControl/GitRepositoryFactory.cs

@@ -20,7 +20,7 @@ public class GitRepositoryFactory : IGitRepositoryFactory
         if (!repoPath.Exists)
         {
             _log.Information("Cloning '{RepoName}' repository...", repoPath.Name);
-            await repo.Clone(repoUrl, branch);
+            await repo.Clone(repoUrl, branch, 1);
         }
         else
         {

src/Recyclarr.TrashLib/Repo/VersionControl/IGitRepository.cs

@@ -6,6 +6,6 @@ public interface IGitRepository : IDisposable
     Task Fetch(string remote = "origin");
     Task ResetHard(string toBranchOrSha1);
     Task SetRemote(string name, Uri newUrl);
-    Task Clone(Uri cloneUrl, string? branch = null);
+    Task Clone(Uri cloneUrl, string? branch = null, int depth = 0);
     Task Status();
 }