Add 'tag_pattern' feature to git dependencies

lib/src/command/add.dart

@@ -121,6 +121,11 @@ For example:
       help: 'Path of git package in repository',
       hide: true,
     );
+    argParser.addOption(
+      'git-tag-pattern',
+      help: 'The tag-pattern to search for versions in repository',
+      hide: true,
+    );
     argParser.addOption(
       'hosted-url',
       help: 'URL of package host server',
@@ -527,6 +532,11 @@ Specify multiple sdk packages with descriptors.''');
       if (gitUrl == null) {
         usageException('The `--git-url` is required for git dependencies.');
       }
+      if (argResults.gitRef != null && argResults.tagPattern != null) {
+        usageException(
+          'Cannot provide both `--git-ref` and `--git-tag-pattern`.',
+        );
+      }
 
       /// Process the git options to return the simplest representation to be
       /// added to the pubspec.
@@ -538,6 +548,7 @@ Specify multiple sdk packages with descriptors.''');
             containingDir: p.current,
             ref: argResults.gitRef,
             path: argResults.gitPath,
+            tagPattern: argResults.tagPattern,
           ),
         );
       } on FormatException catch (e) {
@@ -775,6 +786,8 @@ extension on ArgResults {
   bool get isDryRun => flag('dry-run');
   String? get gitUrl => this['git-url'] as String?;
   String? get gitPath => this['git-path'] as String?;
+  String? get tagPattern => this['git-tag-pattern'] as String?;
+
   String? get gitRef => this['git-ref'] as String?;
   String? get hostedUrl => this['hosted-url'] as String?;
   String? get path => this['path'] as String?;

lib/src/command/dependency_services.dart

@@ -397,6 +397,7 @@ class DependencyServicesApplyCommand extends PubCommand {
         } else if (targetRevision != null &&
             (lockFileYaml['packages'] as Map).containsKey(targetPackage)) {
           final ref = entrypoint.lockFile.packages[targetPackage]!.toRef();
+
           final currentDescription = ref.description as GitDescription;
           final updatedRef = PackageRef(
             targetPackage,
@@ -405,6 +406,7 @@ class DependencyServicesApplyCommand extends PubCommand {
               path: currentDescription.path,
               ref: targetRevision,
               containingDir: directory,
+              tagPattern: currentDescription.tagPattern,
             ),
           );
           final versions = await cache.getVersions(updatedRef);

lib/src/command/upgrade.dart

@@ -17,7 +17,6 @@ import '../package_name.dart';
 import '../pubspec.dart';
 import '../pubspec_utils.dart';
 import '../solver.dart';
-import '../source/hosted.dart';
 import '../utils.dart';
 
 /// Handles the `upgrade` pub command.
@@ -247,11 +246,11 @@ be direct 'dependencies' or 'dev_dependencies', following packages are not:
     // Mapping from original to changed value.
     var changes = <Package, Map<PackageRange, PackageRange>>{};
     for (final package in entrypoint.workspaceRoot.transitiveWorkspace) {
-      final declaredHostedDependencies = [
+      final declaredUpgradableDependencies = [
         ...package.dependencies.values,
         ...package.devDependencies.values,
-      ].where((dep) => dep.source is HostedSource);
-      for (final dep in declaredHostedDependencies) {
+      ].where((dep) => dep.description.hasMultipleVersions);
+      for (final dep in declaredUpgradableDependencies) {
         final resolvedPackage = resolvedPackages[dep.name]!;
         if (!toUpgrade.contains(dep.name)) {
           // If we're not trying to upgrade this package, or it wasn't in the

lib/src/global_packages.dart

@@ -91,13 +91,15 @@ class GlobalPackages {
     required bool overwriteBinStubs,
     String? path,
     String? ref,
+    String? tagPattern,
   }) async {
     final name = await cache.git.getPackageNameFromRepo(
       repo,
       ref,
       path,
       cache,
       relativeTo: p.current,
+      tagPattern: tagPattern,
     );
 
     // TODO(nweiz): Add some special handling for git repos that contain path

lib/src/language_version.dart

@@ -72,6 +72,8 @@ class LanguageVersion implements Comparable<LanguageVersion> {
 
   bool get supportsWorkspaces => this >= firstVersionWithWorkspaces;
 
+  bool get supportsTagPattern => this >= firstVersionWithTagPattern;
+
   /// Minimum language version at which short hosted syntax is supported.
   ///
   /// This allows `hosted` dependencies to be expressed as:
@@ -109,6 +111,7 @@ class LanguageVersion implements Comparable<LanguageVersion> {
   static const firstVersionWithNullSafety = LanguageVersion(2, 12);
   static const firstVersionWithShorterHostedSyntax = LanguageVersion(2, 15);
   static const firstVersionWithWorkspaces = LanguageVersion(3, 5);
+  static const firstVersionWithTagPattern = LanguageVersion(3, 7);
 
   /// Transform language version to string that can be parsed with
   /// [LanguageVersion.parse].

lib/src/package_name.dart

@@ -174,7 +174,7 @@ class PackageRange {
   bool get _showVersionConstraint {
     if (isRoot) return false;
     if (!constraint.isAny) return true;
-    return description.source.hasMultipleVersions;
+    return description.hasMultipleVersions;
   }
 
   /// Returns a copy of `this` with the same semantics, but with a `^`-style

lib/src/solver/version_solver.dart

@@ -578,7 +578,10 @@ class VersionSolver {
     // can't be downgraded.
     if (_type == SolveType.downgrade) {
       final locked = _lockFile.packages[package];
-      if (locked != null && !locked.source.hasMultipleVersions) return locked;
+      if (locked != null &&
+          !locked.description.description.hasMultipleVersions) {
+        return locked;
+      }
     }
 
     if (_unlock.isEmpty || _unlock.contains(package)) return null;

lib/src/source.dart

@@ -51,12 +51,6 @@ abstract class Source {
   /// all sources.
   String get name;
 
-  /// Whether this source can choose between multiple versions of the same
-  /// package during version solving.
-  ///
-  /// Defaults to `false`.
-  bool get hasMultipleVersions => false;
-
   /// Parses a [PackageRef] from a name and a user-provided [description].
   ///
   /// When a [Pubspec] is parsed, it reads in the description for each
@@ -190,6 +184,11 @@ abstract class Source {
 /// with a version constraint.
 abstract class Description {
   Source get source;
+
+  /// Whether the source can choose between multiple versions of this
+  /// package during version solving.
+  bool get hasMultipleVersions;
+
   Object? serializeForPubspec({
     required String? containingDir,
     required LanguageVersion languageVersion,