From 02ac220d46335699009a81de2357c8ce404cf2b6 Mon Sep 17 00:00:00 2001
From: Aleksey Kulikov <skinny.mind@gmail.com>
Date: Thu, 13 Jan 2022 14:51:23 +0300
Subject: [PATCH] feat(tag): add binding and API method for git_tag_target_id
 (#32)

---
 lib/src/bindings/tag.dart | 4 ++++
 lib/src/tag.dart          | 3 +++
 test/tag_test.dart        | 4 +++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/src/bindings/tag.dart b/lib/src/bindings/tag.dart
index 31e1fec..4210428 100644
--- a/lib/src/bindings/tag.dart
+++ b/lib/src/bindings/tag.dart
@@ -65,6 +65,10 @@ Pointer<git_object> target(Pointer<git_tag> tag) {
 /// Get the type of a tag's tagged object.
 int targetType(Pointer<git_tag> tag) => libgit2.git_tag_target_type(tag);
 
+/// Get the OID of the tagged object of a tag.
+Pointer<git_oid> targetOid(Pointer<git_tag> tag) =>
+    libgit2.git_tag_target_id(tag);
+
 /// Get the id of a tag.
 Pointer<git_oid> id(Pointer<git_tag> tag) => libgit2.git_tag_id(tag);
 
diff --git a/lib/src/tag.dart b/lib/src/tag.dart
index 569c91f..e7c9d10 100644
--- a/lib/src/tag.dart
+++ b/lib/src/tag.dart
@@ -137,6 +137,9 @@ class Tag {
     }
   }
 
+  /// [Oid] of the tagged object of a tag.
+  Oid get targetOid => Oid(bindings.targetOid(_tagPointer));
+
   /// [Oid] of a tag.
   Oid get oid => Oid(bindings.id(_tagPointer));
 
diff --git a/test/tag_test.dart b/test/tag_test.dart
index 02b5496..6654ef0 100644
--- a/test/tag_test.dart
+++ b/test/tag_test.dart
@@ -70,7 +70,8 @@ void main() {
         time: 1234,
       );
       const tagName = 'tag';
-      final target = repo['f17d0d48eae3aa08cecf29128a35e310c97b3521'];
+      const targetSHA = 'f17d0d48eae3aa08cecf29128a35e310c97b3521';
+      final target = repo[targetSHA];
       const message = 'init tag\n';
 
       final oid = repo.createTag(
@@ -88,6 +89,7 @@ void main() {
       expect(newTag.oid.sha, '131a5eb6b7a880b5096c550ee7351aeae7b95a42');
       expect(newTag.name, tagName);
       expect(newTag.message, message);
+      expect(newTag.targetOid.sha, targetSHA);
       expect(tagger, signature);
       expect(newTagTarget.oid, target);