Automate updating libraryVersion.

Author: rkistner

melos.yaml

@@ -14,6 +14,11 @@ command:
     changelog: false
     packageFilters:
       noPrivate: true
+    hooks:
+      # Automatically update libraryVersion:
+      preCommit: |
+        dart run tool/update_version.dart
+        git add packages/powersync/lib/src/version.dart
   publish:
     hooks:
       pre: sh tool/download_binaries.sh

packages/powersync/lib/src/user_agent/user_agent_native.dart

@@ -9,6 +9,6 @@ String? powerSyncUserAgent() {
     dart = "Dart/$dartVersion";
   }
   // Ideally we'd get an OS version, but that's quite complex.
-
+  // Platform.operatingSystemVersion is very verbose.
   return 'PowerSync/$libraryVersion ($dart; ${Platform.operatingSystem})';
 }

packages/powersync/lib/src/version.dart

@@ -1,2 +1 @@
-// TODO: auto-update when bumping the version
-const libraryVersion = '1.6.4';
+const String libraryVersion = '1.6.4';

pubspec.lock

@@ -506,7 +506,7 @@ packages:
     source: hosted
     version: "1.2.1"
   yaml:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: yaml
       sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"

pubspec.yaml

@@ -12,3 +12,4 @@ dev_dependencies:
   melos: ^3.4.0
   test: ^1.25.0
   path: ^1.0.0
+  yaml: ^3.1.2

tool/update_version.dart

@@ -0,0 +1,12 @@
+import 'dart:io';
+import 'package:yaml/yaml.dart';
+
+void main() {
+  final pubspecFile = File('packages/powersync/pubspec.yaml');
+  final pubspecContent = pubspecFile.readAsStringSync();
+  final yaml = loadYaml(pubspecContent);
+  final version = yaml['version'];
+
+  final versionFile = File('packages/powersync/lib/src/version.dart');
+  versionFile.writeAsStringSync("const String libraryVersion = '$version';\n");
+}