Make sure the GitAsyncRepo is always closed

This is shitty and error prone.

lib/core/git_repo.dart

@@ -48,6 +48,7 @@ class GitNoteRepository {
     if (useDartGit || AppConfig.instance.experimentalGitOps) {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
       await repo.add(pathSpec).throwOnError();
+      repo.close();
       return Result(null);
     } else {
       try {
@@ -63,7 +64,9 @@ class GitNoteRepository {
   Future<Result<void>> _rm(String pathSpec) async {
     if (useDartGit || AppConfig.instance.experimentalGitOps) {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
-      return await repo.rm(pathSpec);
+      await repo.rm(pathSpec);
+      repo.close();
+      return Result(null);
     } else {
       try {
         await _gitRepo.rm(pathSpec);
@@ -84,6 +87,7 @@ class GitNoteRepository {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
       var author = GitAuthor(name: authorName, email: authorEmail);
       var r = await repo.commit(message: message, author: author);
+      repo.close();
       if (r.isFailure) {
         return fail(r);
       }
@@ -215,14 +219,17 @@ class GitNoteRepository {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
       var headCommitR = await repo.headCommit();
       if (headCommitR.isFailure) {
+        repo.close();
         return fail(headCommitR);
       }
       var headCommit = headCommitR.getOrThrow();
       var result = await repo.resetHard(headCommit.parents[0]);
       if (result.isFailure) {
+        repo.close();
         return fail(result);
       }
 
+      repo.close();
       return Result(null);
     }
     try {
@@ -321,6 +328,8 @@ class GitNoteRepository {
     try {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
       var canPush = await repo.canPush().getOrThrow();
+      repo.close();
+
       if (!canPush) {
         return Result(null);
       }
@@ -370,6 +379,7 @@ class GitNoteRepository {
     try {
       var repo = await GitAsyncRepository.load(gitRepoPath).getOrThrow();
       var nResult = await repo.numChangesToPush();
+      repo.close();
       if (nResult.isSuccess) {
         return nResult.getOrThrow();
       }

lib/repository.dart

@@ -274,6 +274,7 @@ class GitJournalRepo with ChangeNotifier {
           var repo = await GitAsyncRepository.load(repoPath).getOrThrow();
           await _commitUnTrackedChanges(repo, gitConfig);
           await _resetFileStorage();
+          repo.close();
           return;
         }
       }
@@ -327,6 +328,7 @@ class GitJournalRepo with ChangeNotifier {
       }
       var repo = repoR.getOrThrow();
       _commitUnTrackedChanges(repo, gitConfig);
+      repo.close();
     }
 
     if (!remoteGitRepoConfigured) {
@@ -727,6 +729,7 @@ class GitJournalRepo with ChangeNotifier {
     // FIXME: Add the checkout method to GJRepo
     var gitRepo = await GitAsyncRepository.load(repoPath).getOrThrow();
     await gitRepo.checkout(note.filePath).throwOnError();
+    gitRepo.close();
 
     // FIXME: Instead of this just reload that specific file
     // FIXME: I don't think this will work!
@@ -735,7 +738,9 @@ class GitJournalRepo with ChangeNotifier {
 
   Future<List<GitRemoteConfig>> remoteConfigs() async {
     var repo = await GitAsyncRepository.load(repoPath).getOrThrow();
-    return repo.config.remotes;
+    var config = repo.config.remotes;
+    repo.close();
+    return config;
   }
 
   Future<List<String>> branches() async {
@@ -748,6 +753,7 @@ class GitJournalRepo with ChangeNotifier {
         return e.name.branchName()!;
       }));
     }
+    repo.close();
     return branches.toList()..sort();
   }
 
@@ -837,6 +843,7 @@ class GitJournalRepo with ChangeNotifier {
       var remoteBranch =
           await repo.remoteBranch(remoteName, branchName).getOrThrow();
       await repo.resetHard(remoteBranch.hash!).throwOnError();
+      repo.close();
 
       numChanges = 0;
       notifyListeners();
@@ -854,16 +861,19 @@ class GitJournalRepo with ChangeNotifier {
       var branchName = await repo.currentBranch().getOrThrow();
       var branchConfig = repo.config.branch(branchName);
       if (branchConfig == null) {
+        repo.close();
         throw Exception("Branch config for '$branchName' not found");
       }
 
       var remoteName = branchConfig.remote;
       if (remoteName == null) {
+        repo.close();
         throw Exception("Branch config for '$branchName' misdsing remote");
       }
       var remoteBranch =
           await repo.remoteBranch(remoteName, branchName).getOrThrow();
       var headHash = await repo.headHash().getOrThrow();
+      repo.close();
       return Result(remoteBranch.hash != headHash);
     });
   }