[vm/dartdev] Pass package_config option to spawned executable.

Fixes #62009
TEST=dartdev/run_test

Change-Id: I8fc114268d2f438fc78fa6b32f2d50e4b85cde91
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/464660
Reviewed-by: Ryan Macnak <[email protected]>
Commit-Queue: Alexander Aprelev <[email protected]>
Reviewed-by: Ben Konyi <[email protected]>

Author: aam

pkg/dartdev/test/commands/run_test.dart

@@ -963,6 +963,33 @@ void residentRun() {
     });
   });
 
+  test('resident compiler invocation has working resolvePackageUri', () async {
+    p = project(name: 'foo');
+    p.file('pubspec.yaml', '''
+name: foo
+environment:
+  sdk: '>=2.12.0<3.0.0'
+
+dependencies:
+  path: ^1.9.0
+''');
+    p.file('bin/main.dart', r'''
+import 'dart:isolate';
+Future<void> main() async {
+  print(await Isolate.resolvePackageUri(Uri.parse('package:path/')));
+}
+''');
+
+    ProcessResult pubGetResult = await p.run(['pub', 'get']);
+    expect(pubGetResult.stderr, isEmpty);
+    expect(pubGetResult.exitCode, 0);
+
+    ProcessResult result = await p.run(['run', '--resident', 'bin/main.dart']);
+
+    expect(result.stdout, contains('file://'));
+    expect(result.exitCode, 0);
+  });
+
   test(
       'passing --resident is a prerequisite for passing --resident-compiler-info-file',
       () async {

runtime/bin/dartdev.cc

@@ -642,6 +642,9 @@ class DartDev {
     } else {
       argc_ = argc + num_vm_options + 4;
     }
+    if (package_config_override_ != nullptr) {
+      argc_++;
+    }
 
     // Array of arguments to be passed to the script being execed.
     argv_ = std::unique_ptr<char*[], void (*)(char**)>(new char*[argc_ + 1],
@@ -687,6 +690,16 @@ class DartDev {
     if (mark_main_isolate_as_system_isolate) {
       argv_[idx++] = Utils::StrDup("--mark_main_isolate_as_system_isolate");
     }
+    if (package_config_override_ != nullptr) {
+#if defined(DART_HOST_OS_WINDOWS)
+      char* packages_arg =
+          Utils::SCreate("--packages=%s", package_config_override_);
+      argv_[idx++] = StringUtilsWin::ArgumentEscape(packages_arg);
+      free(packages_arg);
+#else
+      argv_[idx++] = Utils::SCreate("--packages=%s", package_config_override_);
+#endif
+    }
     // Copy in name of the script to run.
     argv_[idx++] = Utils::StrDup(GetArrayItem(message, 1)->value.as_string);
     // Copy in the dart options that need to be passed to the script.