WIP: feat: cancel git clone ops gracefully

See #528

pkg/git/clone_test.go

@@ -28,7 +28,7 @@ func TestCancelGitClone(t *testing.T) {
 		t.Fatal("cloning should have been interrupted")
 	}
 
-	if _, err := os.Stat(dir); err != nil && !os.IsNotExist(err) {
-		t.Fatal("recipe repo was not deleted")
+	if _, err := os.Stat(dir); !os.IsNotExist(err) {
+		t.Fatal("recipe directory should have been deleted")
 	}
 }