package-directory-mismatch: ignore mismatch in root directory (#1548)

test/utils_test.go

@@ -412,3 +412,27 @@ func TestExportedType(t *testing.T) {
 		}
 	}
 }
+
+// mkdirTempDotGit adds a temporary .git directory to the given root directory in testdata.
+// We can't commit .git directly because of the Git restrictions.
+func mkdirTempDotGit(t *testing.T, root string) {
+	t.Helper()
+
+	baseDir := filepath.Join("..", "testdata", root)
+	dir, err := filepath.Abs(baseDir)
+	if err != nil {
+		t.Fatalf("Failed to resolve abs path: %v", err)
+	}
+
+	gitDir := filepath.Join(dir, ".git")
+	if err := os.MkdirAll(gitDir, 0o755); err != nil {
+		t.Fatalf("Failed to create .git directory: %v", err)
+	}
+
+	t.Cleanup(func() {
+		err = os.RemoveAll(gitDir)
+		if err != nil {
+			t.Logf("Failed to remove %v: %v", gitDir, err)
+		}
+	})
+}