Add missing TODOs

internal/repositories/find.go

@@ -40,6 +40,7 @@ func splitPath(repoPath string) (string, string) {
 	cfg, err := config.Load()
 
 	if err != nil {
+		// TODO
 	}
 
 	parts := strings.SplitN(repoPath, ":", 2)

internal/repositories/update.go

@@ -15,6 +15,7 @@ func Update(repositoryPath string) error {
 	cfg, err := config.Load()
 
 	if err != nil {
+		// TODO
 	}
 
 	repositoryPath = strings.TrimSuffix(repositoryPath, "/.git")

todo.txt

@@ -8,3 +8,5 @@ Add unit tests.
 Add a `--dry-run` option.
 Complete README.
 Add Nix package.
+
+grep -r --exclude-dir=.git TODO .