From 279e4a474d153816fa9596c27efc139c17c87483 Mon Sep 17 00:00:00 2001
From: Aleksey Kulikov <skinny.mind@gmail.com>
Date: Thu, 9 Jun 2022 17:38:22 +0300
Subject: [PATCH] fix: lookup library in Flutter's .pub_cache folder

---
 lib/src/util.dart | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/src/util.dart b/lib/src/util.dart
index 001e488..d81b8c7 100644
--- a/lib/src/util.dart
+++ b/lib/src/util.dart
@@ -6,6 +6,7 @@ import 'dart:io';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/libgit2_opts_bindings.dart';
 import 'package:path/path.dart' as path;
+import 'package:pub_cache/pub_cache.dart';
 
 const libgit2Version = '1.4.3';
 final libDir = path.join('.dart_tool', 'libgit2');
@@ -52,6 +53,21 @@ String? _resolveLibPath(String name) {
   libPath = path.join(path.dirname(Platform.resolvedExecutable), 'lib', name);
   if (_doesFileExist(libPath)) return libPath;
 
+  String checkCache(PubCache pubCache) {
+    final pubCacheDir =
+        pubCache.getLatestVersion('libgit2dart')!.resolve()!.location;
+    return path.join(pubCacheDir.path, Platform.operatingSystem, name);
+  }
+
+  // If lib is in Flutter's '.pub_cache' folder.
+  final env = Platform.environment;
+  if (env.containsKey('FLUTTER_ROOT')) {
+    final flutterPubCache =
+        PubCache(Directory(path.join(env['FLUTTER_ROOT']!, '.pub-cache')));
+    libPath = checkCache(flutterPubCache);
+    if (_doesFileExist(libPath)) return libPath;
+  }
+
   return null;
 }