Add test for gitignore workaround

And make sure it works for user-supplied path of "."

Also add changelog entry

CHANGELOG.md

@@ -12,6 +12,8 @@
 ## Bugfixes
 
 - Respect NO_COLOR environment variable with `--list-details` option. (#1455)
+- Fix bug that would cause hidden files to be includeddespite gitignore rules
+  if search path is "." (#1461, BurntSushi/ripgrep#2711).
 
 
 ## Changes

src/cli.rs

@@ -665,6 +665,9 @@ impl Opts {
     fn normalize_path(&self, path: &Path) -> PathBuf {
         if self.absolute_path {
             filesystem::absolute_path(path.normalize().unwrap().as_path()).unwrap()
+        } else if path == Path::new(".") {
+            // Change "." to "./" as a workaround for https://github.com/BurntSushi/ripgrep/pull/2711
+            PathBuf::from("./")
         } else {
             path.to_path_buf()
         }

tests/tests.rs

@@ -2599,3 +2599,16 @@ fn test_git_dir() {
          nested/dir/.git/foo2",
     );
 }
+
+#[test]
+fn test_gitignore_parent() {
+    let te = TestEnv::new(&["sub"], &[".abc", "sub/.abc"]);
+
+    fs::File::create(te.test_root().join(".gitignore"))
+        .unwrap()
+        .write_all(b".abc\n")
+        .unwrap();
+
+    te.assert_output_subdirectory("sub", &["--hidden"], "");
+    te.assert_output_subdirectory("sub", &["--hidden", "--search-path", "."], "");
+}