New has:executable tag for dart files in bin/ (#1376)

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 0.22.6
 
 - New recognized example files in the `example/bin` directory.
+- Add `has:executable` tag for packages with `bin/<executable>.dart` files.
 
 ## 0.22.5
 

lib/src/package_analyzer.dart

@@ -193,6 +193,10 @@ class PackageAnalyzer {
     final licenses = await context.licenses;
     tags.addAll((await context.licenceTags).tags);
 
+    if (await context.hasExecutableInBinDirectory) {
+      tags.add(PanaTags.hasExecutable);
+    }
+
     List<ProcessedScreenshot>? processedScreenshots = [];
     final screenshotResults = await context.screenshots;
     for (final r in screenshotResults) {

lib/src/package_context.dart

@@ -348,6 +348,27 @@ class PackageContext {
       return null;
     }
   }();
+
+  late final hasExecutableInBinDirectory = () async {
+    final binDir = Directory(p.join(packageDir, 'bin'));
+    if (!await binDir.exists()) {
+      return false;
+    }
+    final entries = await binDir.list().toList();
+    for (final file in entries.whereType<File>()) {
+      if (!file.path.endsWith('.dart')) {
+        continue;
+      }
+      // minimal sanity check without parsing the source code
+      final content = await file.readAsString();
+      if (content.contains('main')) {
+        continue;
+      }
+
+      return true;
+    }
+    return false;
+  }();
 }
 
 class DartdocResult {

lib/src/tag/pana_tags.dart

@@ -34,6 +34,7 @@ abstract class PanaTags {
 
   // others
   static const hasError = 'has:error';
+  static const hasExecutable = 'has:executable';
   static const hasScreenshot = 'has:screenshot';
   static const isPlugin = 'is:plugin';
   static const isNullSafe = 'is:null-safe';

pubspec.yaml

@@ -1,6 +1,6 @@
 name: pana
 description: PAckage aNAlyzer - produce a report summarizing the health and quality of a Dart package.
-version: 0.22.6-dev
+version: 0.22.6
 repository: https://github.com/dart-lang/pana
 topics:
   - tool

test/goldens/end2end/steward-0.3.1.json

@@ -69,7 +69,8 @@
     "is:dart3-compatible",
     "license:mit",
     "license:fsf-libre",
-    "license:osi-approved"
+    "license:osi-approved",
+    "has:executable"
   ],
   "report": {
     "sections": [