Migrate to pub workspaces (#7762)

Author: sigurdm

Diff for: Dockerfile.app

@@ -17,6 +17,9 @@ COPY static /project/static
 COPY doc /project/doc
 COPY third_party /project/third_party
 COPY tool /project/tool
+COPY pubspec.lock /project/pubspec.lock
+COPY pubspec.yaml /project/pubspec.yaml
+
 
 WORKDIR /project/pkg/web_app
 RUN dart /project/tool/pub_get_offline.dart /project/pkg/web_app

Diff for: app/pubspec.yaml

@@ -1,12 +1,11 @@
 name: pub_dev
 description: The pub.dartlang.org website.
 environment:
-  sdk: ^3.5.0
+  sdk: '^3.5.0'
+resolution: workspace
 dependencies:
   _popularity:
-    path: ../pkg/_popularity
   _pub_shared:
-    path: ../pkg/_pub_shared
   appengine: ^0.13.8
   args: '^2.0.0'
   basics: ^0.10.0
@@ -25,7 +24,6 @@ dependencies:
   http: ^1.0.0
   http_parser: ^4.0.0
   indexed_blob:
-    path: ../pkg/indexed_blob
   intl: '^0.19.0'
   json_annotation: '^4.3.0'
   lints: ^5.0.0
@@ -39,7 +37,6 @@ dependencies:
   pem: ^2.0.1
   pool: '^1.5.0'
   pub_package_reader:
-    path: ../pkg/pub_package_reader
   pub_semver: '^2.0.0'
   pubspec_parse: ^1.2.1
   retry: ^3.1.0
@@ -57,7 +54,6 @@ dependencies:
   ulid: '2.0.1'
   tar: '2.0.0'
   api_builder:
-    path: ../pkg/api_builder
 
 dev_dependencies:
   build_runner: '^2.0.0'

Diff for: app/test/shared/versions_test.dart

@@ -3,9 +3,11 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:io';
+import 'dart:isolate';
 
 import 'package:_pub_shared/utils/flutter_archive.dart';
 import 'package:collection/collection.dart' show IterableExtension;
+import 'package:path/path.dart' as p;
 import 'package:pub_dev/shared/versions.dart';
 import 'package:test/test.dart';
 import 'package:yaml/yaml.dart';
@@ -97,7 +99,10 @@ void main() {
   });
 
   test('analyzer version should match resolved pana version', () async {
-    final String lockContent = await File('pubspec.lock').readAsString();
+    final String lockContent = await File(p.join(
+            p.dirname(p.dirname(Isolate.packageConfigSync!.toFilePath())),
+            'pubspec.lock'))
+        .readAsString();
     final lock = loadYaml(lockContent) as Map;
     expect(lock['packages']['pana']['version'], panaVersion);
   });