Revert Setup github publishing

It doesn't work for flutter packages

.github/workflows/publish-on-pub.yaml

@@ -1,10 +1,28 @@
-name: Publish to pub.dev
-
+name: Publish package to pub.dev
 on:
   push:
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+*'
-
+      - v*
 jobs:
-  publish:
-    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - run: flutter pub get
+      - run: flutter pub run tool/publish/check_version.dart ${GITHUB_REF}
+      - name: Setup credentials
+        run: |
+          cat <<EOF > $PUB_CACHE/credentials.json
+          {
+            "accessToken":"${{ secrets.OAUTH_ACCESS_TOKEN }}",
+            "refreshToken":"${{ secrets.OAUTH_REFRESH_TOKEN }}",
+            "tokenEndpoint":"https://accounts.google.com/o/oauth2/token",
+            "scopes": [ "openid", "https://www.googleapis.com/auth/userinfo.email" ],
+            "expiration": 1580681402856
+          }
+          EOF
+      - name: Publish package
+        run: flutter pub publish --force

tool/publish/check_version.dart

@@ -0,0 +1,24 @@
+import 'dart:io';
+import 'package:yaml/yaml.dart';
+
+// ignore_for_file: avoid_print
+
+void main(List<String> args) {
+  print(args);
+  var pubspec = File('pubspec.yaml');
+  var content = loadYaml(pubspec.readAsStringSync()) as YamlMap;
+
+  var pubspecVersion = content['version'] as String;
+  var tagVersion = '';
+  if (args.isNotEmpty) {
+    tagVersion = args[0].split('/').last;
+  }
+  if (tagVersion.startsWith('v')) {
+    tagVersion = tagVersion.substring(1);
+  }
+
+  if (pubspecVersion != tagVersion) {
+    throw Exception(
+        'pubspec version ($pubspecVersion) and tag version ($tagVersion) are different');
+  }
+}