feat: add --get-url flag to git ls-remote for URL config overrides

Closes #1097

Co-authored-by: marcossevilla <marcossevilla@users.noreply.github.com>

Author: unicoderbot[bot]

lib/src/cli/git_cli.dart

@@ -21,10 +21,15 @@ Make sure the remote exists and you have the correct access rights.''';
 /// Git CLI
 class Git {
   /// Determine whether the [remote] is reachable.
+  ///
+  /// The check honors `url.<base>.insteadOf` git config overrides by passing
+  /// `--get-url` to `git ls-remote`, mirroring how the actual pull would
+  /// resolve the remote.
   static Future<void> reachable(Uri remote, {required Logger logger}) async {
     try {
       await _Cmd.run('git', [
         'ls-remote',
+        '--get-url',
         '$remote',
         '--exit-code',
       ], logger: logger);

test/src/cli/git_cli_test.dart

@@ -64,6 +64,22 @@ void main() {
         }, runProcess: process.run);
       });
 
+      test('passes --get-url to respect insteadOf overrides', () async {
+        final remote = Uri.parse('https://github.com/org/repo');
+        await ProcessOverrides.runZoned(() async {
+          await Git.reachable(remote, logger: logger);
+        }, runProcess: process.run);
+
+        verify(
+          () => process.run(
+            'git',
+            ['ls-remote', '--get-url', '$remote', '--exit-code'],
+            runInShell: any(named: 'runInShell'),
+            workingDirectory: any(named: 'workingDirectory'),
+          ),
+        ).called(1);
+      });
+
       test(
         'throws UnreachableGitDependency for an unreachable remote',
         () async {