Daily Dev Bumps (flutter#4908)

This workflow will run a dev bump every day at midnight.

Author: CoderDake

.github/workflows/daily-dev-bump.yaml

@@ -0,0 +1,67 @@
+name: Daily Dev Bump
+on:
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron: '0 0 * * *' # Run every day at midnight
+  workflow_dispatch: # Allows for manual triggering if needed
+
+permissions:
+  contents: write
+
+env:
+  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  bump-dev-version:
+    name: Bump Dev Version
+    runs-on: ubuntu-latest
+    steps:
+    - name: git clone devtools
+      uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      with:
+        ref: master
+
+    - uses: dart-lang/setup-dart@v1.3
+
+    - name: setup git config
+      run: |
+
+        # TODO(https://github.com/flutter/devtools/issues/4949):  Change the author to
+        # a flutter owned account
+        git config user.name "Dan Chevalier's GitHub Actions Bot"
+        git config user.email "chevalier.dan@gmail.com"
+
+    - name: Bump the Dev Version
+      id: version-bump
+      run: |
+        set -x
+        pushd tool/
+        dart pub get
+        popd
+
+        CURRENT_VERSION=$(dart tool/update_version.dart current-version)
+        if ! echo "$CURRENT_VERSION" |grep -Eq "\-dev\.[0-9]+" ; then
+          ERROR_DESCRIPTION="Doing \
+        a Dev bump on a release version ($CURRENT_VERSION) is not supported. \
+        Ensure that that current version has been properly bumped to a '-dev.*' \
+        pre-release version, in order to continue daily dev bumps."
+
+          echo "::error ,title=Cannot Bump A Release Version ($CURRENT_VERSION)::$ERROR_DESCRIPTION" 
+          exit 1;
+        fi
+    
+        # Get the commit message
+        COMMIT_MESSAGE=$(dart tool/update_version.dart auto --dry-run --type dev)
+        echo "COMMIT_MESSAGE=$COMMIT_MESSAGE" >> $GITHUB_OUTPUT
+
+        # Do the update
+        dart tool/update_version.dart auto --type dev
+
+    - name: commit
+      run: |
+        # Stage the file, commit and push
+
+        git commit -a -m "$COMMIT_MESSAGE"
+        git push
+      env:
+        COMMIT_MESSAGE: ${{ steps.version-bump.outputs.COMMIT_MESSAGE }}

tool/update_version.dart

@@ -23,7 +23,8 @@ void main(List<String> args) async {
     'A program for updating the devtools version',
   )
     ..addCommand(ManualUpdateCommand())
-    ..addCommand(AutoUpdateCommand());
+    ..addCommand(AutoUpdateCommand())
+    ..addCommand(CurrentVersionCommand());
   runner.run(args).catchError((error) {
     if (error is! UsageException) throw error;
     print(error);
@@ -32,8 +33,11 @@ void main(List<String> args) async {
   return;
 }
 
-Future<void> performTheVersionUpdate(
-    {required String currentVersion, required String newVersion}) async {
+Future<void> performTheVersionUpdate({
+  required String currentVersion,
+  required String newVersion,
+  bool modifyChangeLog = true,
+}) async {
   print('Updating pubspecs from $currentVersion to version $newVersion...');
 
   for (final pubspec in _pubspecs) {
@@ -46,8 +50,10 @@ Future<void> performTheVersionUpdate(
     newVersion,
   );
 
-  print('Updating CHANGELOG to version $newVersion...');
-  writeVersionToChangelog(File('CHANGELOG.md'), newVersion);
+  if (modifyChangeLog) {
+    print('Updating CHANGELOG to version $newVersion...');
+    writeVersionToChangelog(File('CHANGELOG.md'), newVersion);
+  }
 
   print('Updating index.html to version $newVersion...');
   writeVersionToIndexHtml(
@@ -284,6 +290,18 @@ class ManualUpdateCommand extends Command {
   }
 }
 
+class CurrentVersionCommand extends Command {
+  @override
+  final name = 'current-version';
+  @override
+  final description = 'Print the current devtools_app version.';
+
+  @override
+  void run() async {
+    print(versionFromPubspecFile());
+  }
+}
+
 class AutoUpdateCommand extends Command {
   @override
   final name = 'auto';
@@ -343,6 +361,7 @@ class AutoUpdateCommand extends Command {
     final type = argResults!['type'].toString();
     final isDryRun = argResults!['dry-run'];
     final currentVersion = versionFromPubspecFile();
+    bool modifyChangeLog = true;
     String? newVersion;
     if (currentVersion == null) {
       throw 'Could not automatically determine current version.';
@@ -353,6 +372,7 @@ class AutoUpdateCommand extends Command {
         break;
       case 'dev':
         newVersion = incrementDevVersion(currentVersion);
+        modifyChangeLog = false;
         break;
       default:
         newVersion = incrementVersionByType(currentVersion, type);
@@ -369,6 +389,7 @@ class AutoUpdateCommand extends Command {
     performTheVersionUpdate(
       currentVersion: currentVersion,
       newVersion: newVersion,
+      modifyChangeLog: modifyChangeLog,
     );
   }
 }