chore: upgrade dependencies (#58)

.github/workflows/master.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v3.0.1
       - uses: subosito/flutter-action@v2
         with:
-          channel: master
+          channel: stable
 
       - name: Install dependencies
         run: flutter pub get
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v3.0.1
       - uses: subosito/flutter-action@v2
         with:
-          channel: master
+          channel: stable
 
       - name: Install dependencies
         run: flutter pub get

analysis_options.yaml

@@ -7,6 +7,7 @@ analyzer:
 
   exclude:
     - lib/src/bindings/libgit2_bindings.dart
+    - lib/src/bindings/libgit2_opts_bindings.dart
 
 linter:
   rules:

bin/setup.dart

@@ -1,7 +1,6 @@
 import 'dart:io';
 
 import 'package:args/command_runner.dart';
-import 'package:cli_util/cli_logging.dart' show Ansi, Logger;
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/libgit2.dart';
 import 'package:libgit2dart/src/util.dart';
@@ -11,16 +10,13 @@ import 'package:pub_cache/pub_cache.dart';
 /// Copies prebuilt libgit2 library from package in '.pub_cache' into correct
 /// directory for [platform].
 Future<void> copyLibrary(String platform) async {
-  final logger = Logger.standard();
-  final ansi = Ansi(Ansi.terminalSupportsAnsi);
-
   if (File(path.join(Directory.current.path, libDir, platform, getLibName()))
       .existsSync()) {
     if (libgit2Version == Libgit2.version) {
-      logger.stdout('${ansi.green}libgit2 for $platform is already available.');
+      stdout.writeln('libgit2 for $platform is already available.');
     } else {
-      logger.stdout(
+      stdout.writeln(
-        '${ansi.red}libgit2 for $platform is outdated.\n'
+        'libgit2 for $platform is outdated.\n'
         'Please run following commands: \n'
         'dart run libgit2dart:setup clean\n'
         'dart run libgit2dart:setup\n\n',
@@ -32,17 +28,14 @@ Future<void> copyLibrary(String platform) async {
         pubCache.getLatestVersion('libgit2dart')!.resolve()!.location;
     final libName = getLibName();
 
-    logger.stdout('Copying libgit2 for $platform');
+    stdout.writeln('Copying libgit2 for $platform');
     final destination = path.join(libDir, platform);
     Directory(destination).createSync(recursive: true);
     File(path.join(pubCacheDir.path, platform, libName)).copySync(
       path.join(destination, libName),
     );
 
-    logger.stdout(
+    stdout.writeln('Done! libgit2 for $platform is now available!');
-      '${ansi.green}Done! libgit2 for $platform is now available!'
-      '${ansi.none}',
-    );
   }
 }
 
@@ -55,8 +48,7 @@ class CleanCommand extends Command<void> {
 
   @override
   void run() {
-    final logger = Logger.standard();
+    stdout.writeln('Cleaning...');
-    logger.stdout('Cleaning...');
     Directory(libDir).deleteSync(recursive: true);
   }
 }

coverage.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-dart test --coverage="coverage" --test-randomize-ordering-seed random && format_coverage --lcov --check-ignore --in=coverage --out=coverage/lcov.info --packages=.packages --report-on=lib && genhtml coverage/lcov.info -o coverage/ && dart pub global run flutter_coverage_badge
+dart test --coverage=coverage --test-randomize-ordering-seed random && dart pub global run coverage:format_coverage --lcov --check-ignore --in=coverage --out=coverage/lcov.info --report-on=lib && genhtml coverage/lcov.info -o coverage/ && dart pub global run flutter_coverage_badge

lib/src/bindings/annotated.dart

@@ -76,7 +76,7 @@ Pointer<git_annotated_commit> fromRevSpec({
   required String revspec,
 }) {
   final out = calloc<Pointer<git_annotated_commit>>();
-  final revspecC = revspec.toNativeUtf8().cast<Int8>();
+  final revspecC = revspec.toNativeUtf8().cast<Char>();
   final error = libgit2.git_annotated_commit_from_revspec(
     out,
     repoPointer,
@@ -106,8 +106,8 @@ Pointer<git_annotated_commit> fromFetchHead({
   required Pointer<git_oid> oid,
 }) {
   final out = calloc<Pointer<git_annotated_commit>>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
-  final remoteUrlC = remoteUrl.toNativeUtf8().cast<Int8>();
+  final remoteUrlC = remoteUrl.toNativeUtf8().cast<Char>();
   final error = libgit2.git_annotated_commit_from_fetchhead(
     out,
     repoPointer,

lib/src/bindings/attr.dart

@@ -14,9 +14,9 @@ Object? getAttribute({
   required String path,
   required String name,
 }) {
-  final out = calloc<Pointer<Int8>>();
+  final out = calloc<Pointer<Char>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_attr_get(out, repoPointer, flags, pathC, nameC);
 
   final result = out.value;

lib/src/bindings/blame.dart

@@ -20,7 +20,7 @@ Pointer<git_blame> file({
   int? maxLine,
 }) {
   final out = calloc<Pointer<git_blame>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final options = calloc<git_blame_options>();
   libgit2.git_blame_options_init(options, GIT_BLAME_OPTIONS_VERSION);
 
@@ -77,7 +77,7 @@ Pointer<git_blame> buffer({
   required String buffer,
 }) {
   final out = calloc<Pointer<git_blame>>();
-  final bufferC = buffer.toNativeUtf8().cast<Int8>();
+  final bufferC = buffer.toNativeUtf8().cast<Char>();
   final error = libgit2.git_blame_buffer(
     out,
     reference,

lib/src/bindings/blob.dart

@@ -84,7 +84,7 @@ Pointer<git_oid> createFromWorkdir({
   required String relativePath,
 }) {
   final out = calloc<git_oid>();
-  final relativePathC = relativePath.toNativeUtf8().cast<Int8>();
+  final relativePathC = relativePath.toNativeUtf8().cast<Char>();
   final error = libgit2.git_blob_create_from_workdir(
     out,
     repoPointer,
@@ -110,7 +110,7 @@ Pointer<git_oid> createFromDisk({
   required String path,
 }) {
   final out = calloc<git_oid>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_blob_create_from_disk(out, repoPointer, pathC);
 
   calloc.free(pathC);
@@ -150,7 +150,7 @@ String filterContent({
   git_oid? attributesCommit,
 }) {
   final out = calloc<git_buf>();
-  final asPathC = asPath.toNativeUtf8().cast<Int8>();
+  final asPathC = asPath.toNativeUtf8().cast<Char>();
   final opts = calloc<git_blob_filter_options>();
   libgit2.git_blob_filter_options_init(opts, GIT_BLOB_FILTER_OPTIONS_VERSION);
   opts.ref.flags = flags;

lib/src/bindings/branch.dart

@@ -60,7 +60,7 @@ Pointer<git_reference> lookup({
   required int branchType,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_branch_lookup(
     out,
     repoPointer,
@@ -97,7 +97,7 @@ Pointer<git_reference> create({
   required bool force,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final forceC = force ? 1 : 0;
   final error = libgit2.git_branch_create(
     out,
@@ -147,7 +147,7 @@ void rename({
   required bool force,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final newBranchNameC = newBranchName.toNativeUtf8().cast<Int8>();
+  final newBranchNameC = newBranchName.toNativeUtf8().cast<Char>();
   final forceC = force ? 1 : 0;
   final error = libgit2.git_branch_move(
     out,
@@ -202,7 +202,7 @@ bool isCheckedOut(Pointer<git_reference> branch) {
 ///
 /// Throws a [LibGit2Error] if error occured.
 String name(Pointer<git_reference> ref) {
-  final out = calloc<Pointer<Int8>>();
+  final out = calloc<Pointer<Char>>();
   final error = libgit2.git_branch_name(out, ref);
 
   final result = out.value;
@@ -229,7 +229,7 @@ String remoteName({
   required String branchName,
 }) {
   final out = calloc<git_buf>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_branch_remote_name(out, repoPointer, branchNameC);
 
   final result = out.ref.ptr.cast<Utf8>().toDartString(length: out.ref.size);
@@ -281,7 +281,7 @@ void setUpstream({
   required Pointer<git_reference> branchPointer,
   required String? branchName,
 }) {
-  final branchNameC = branchName?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final branchNameC = branchName?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_branch_set_upstream(branchPointer, branchNameC);
 
   calloc.free(branchNameC);
@@ -303,7 +303,7 @@ String upstreamName({
   required String branchName,
 }) {
   final out = calloc<git_buf>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_branch_upstream_name(out, repoPointer, branchNameC);
 
   final result = out.ref.ptr.cast<Utf8>().toDartString(length: out.ref.size);
@@ -330,7 +330,7 @@ String upstreamRemote({
   required String branchName,
 }) {
   final out = calloc<git_buf>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_branch_upstream_remote(
     out,
     repoPointer,
@@ -361,7 +361,7 @@ String upstreamMerge({
   required String branchName,
 }) {
   final out = calloc<git_buf>();
-  final branchNameC = branchName.toNativeUtf8().cast<Int8>();
+  final branchNameC = branchName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_branch_upstream_merge(
     out,
     repoPointer,

lib/src/bindings/checkout.dart

@@ -127,13 +127,13 @@ List<Object> initOptions({
   optsC.ref.checkout_strategy = strategy;
 
   if (directory != null) {
-    optsC.ref.target_directory = directory.toNativeUtf8().cast<Int8>();
+    optsC.ref.target_directory = directory.toNativeUtf8().cast<Char>();
   }
 
-  var pathPointers = <Pointer<Int8>>[];
+  var pathPointers = <Pointer<Char>>[];
-  Pointer<Pointer<Int8>> strArray = nullptr;
+  Pointer<Pointer<Char>> strArray = nullptr;
   if (paths != null) {
-    pathPointers = paths.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+    pathPointers = paths.map((e) => e.toNativeUtf8().cast<Char>()).toList();
     strArray = calloc(paths.length);
     for (var i = 0; i < paths.length; i++) {
       strArray[i] = pathPointers[i];

lib/src/bindings/commit.dart

@@ -45,10 +45,10 @@ Pointer<git_oid> create({
   required List<Pointer<git_commit>> parents,
 }) {
   final out = calloc<git_oid>();
-  final updateRefC = updateRef.toNativeUtf8().cast<Int8>();
+  final updateRefC = updateRef.toNativeUtf8().cast<Char>();
   final messageEncodingC =
-      messageEncoding?.toNativeUtf8().cast<Int8>() ?? nullptr;
+      messageEncoding?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final messageC = message.toNativeUtf8().cast<Int8>();
+  final messageC = message.toNativeUtf8().cast<Char>();
   final parentsC = calloc<Pointer<git_commit>>(parentCount);
 
   if (parents.isNotEmpty) {
@@ -103,10 +103,10 @@ String createBuffer({
   required List<Pointer<git_commit>> parents,
 }) {
   final out = calloc<git_buf>();
-  final updateRefC = updateRef.toNativeUtf8().cast<Int8>();
+  final updateRefC = updateRef.toNativeUtf8().cast<Char>();
   final messageEncodingC =
-      messageEncoding?.toNativeUtf8().cast<Int8>() ?? nullptr;
+      messageEncoding?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final messageC = message.toNativeUtf8().cast<Int8>();
+  final messageC = message.toNativeUtf8().cast<Char>();
   final parentsC = calloc<Pointer<git_commit>>(parentCount);
 
   if (parents.isNotEmpty) {
@@ -169,10 +169,10 @@ Pointer<git_oid> amend({
   required Pointer<git_tree>? treePointer,
 }) {
   final out = calloc<git_oid>();
-  final updateRefC = updateRef?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final updateRefC = updateRef?.toNativeUtf8().cast<Char>() ?? nullptr;
   final messageEncodingC =
-      messageEncoding?.toNativeUtf8().cast<Int8>() ?? nullptr;
+      messageEncoding?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final messageC = message?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final messageC = message?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   final error = libgit2.git_commit_amend(
     out,
@@ -261,7 +261,7 @@ String headerField({
   required String field,
 }) {
   final out = calloc<git_buf>();
-  final fieldC = field.toNativeUtf8().cast<Int8>();
+  final fieldC = field.toNativeUtf8().cast<Char>();
   final error = libgit2.git_commit_header_field(out, commitPointer, fieldC);
 
   final result = out.ref.ptr.cast<Utf8>().toDartString(length: out.ref.size);

lib/src/bindings/config.dart

@@ -11,7 +11,7 @@ import 'package:libgit2dart/src/util.dart';
 /// config must be freed with [free].
 Pointer<git_config> open(String path) {
   final out = calloc<Pointer<git_config>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   libgit2.git_config_open_ondisk(out, pathC);
 
   calloc.free(pathC);
@@ -145,7 +145,7 @@ Pointer<git_config_entry> getEntry({
   required String variable,
 }) {
   final out = calloc<Pointer<git_config_entry>>();
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
   final error = libgit2.git_config_get_entry(out, configPointer, nameC);
 
   final result = out.value;
@@ -167,7 +167,7 @@ void setBool({
   required String variable,
   required bool value,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
   final valueC = value ? 1 : 0;
   libgit2.git_config_set_bool(configPointer, nameC, valueC);
   calloc.free(nameC);
@@ -180,7 +180,7 @@ void setInt({
   required String variable,
   required int value,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
   libgit2.git_config_set_int64(configPointer, nameC, value);
   calloc.free(nameC);
 }
@@ -192,8 +192,8 @@ void setString({
   required String variable,
   required String value,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
-  final valueC = value.toNativeUtf8().cast<Int8>();
+  final valueC = value.toNativeUtf8().cast<Char>();
   libgit2.git_config_set_string(configPointer, nameC, valueC);
   calloc.free(nameC);
   calloc.free(valueC);
@@ -220,7 +220,7 @@ void delete({
   required Pointer<git_config> configPointer,
   required String variable,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
   final error = libgit2.git_config_delete_entry(configPointer, nameC);
 
   calloc.free(nameC);
@@ -243,8 +243,8 @@ List<String> multivarValues({
   required String variable,
   String? regexp,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
-  final regexpC = regexp?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final regexpC = regexp?.toNativeUtf8().cast<Char>() ?? nullptr;
   final iterator = calloc<Pointer<git_config_iterator>>();
   final entry = calloc<Pointer<git_config_entry>>();
 
@@ -286,9 +286,9 @@ void setMultivar({
   required String regexp,
   required String value,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
-  final regexpC = regexp.toNativeUtf8().cast<Int8>();
+  final regexpC = regexp.toNativeUtf8().cast<Char>();
-  final valueC = value.toNativeUtf8().cast<Int8>();
+  final valueC = value.toNativeUtf8().cast<Char>();
 
   libgit2.git_config_set_multivar(configPointer, nameC, regexpC, valueC);
 
@@ -306,8 +306,8 @@ void deleteMultivar({
   required String variable,
   required String regexp,
 }) {
-  final nameC = variable.toNativeUtf8().cast<Int8>();
+  final nameC = variable.toNativeUtf8().cast<Char>();
-  final regexpC = regexp.toNativeUtf8().cast<Int8>();
+  final regexpC = regexp.toNativeUtf8().cast<Char>();
 
   libgit2.git_config_delete_multivar(configPointer, nameC, regexpC);
 

lib/src/bindings/credentials.dart

@@ -10,8 +10,8 @@ Pointer<git_credential> userPass({
   required String password,
 }) {
   final out = calloc<Pointer<git_credential>>();
-  final usernameC = username.toNativeUtf8().cast<Int8>();
+  final usernameC = username.toNativeUtf8().cast<Char>();
-  final passwordC = password.toNativeUtf8().cast<Int8>();
+  final passwordC = password.toNativeUtf8().cast<Char>();
 
   libgit2.git_credential_userpass_plaintext_new(out, usernameC, passwordC);
 
@@ -32,10 +32,10 @@ Pointer<git_credential> sshKey({
   required String passPhrase,
 }) {
   final out = calloc<Pointer<git_credential>>();
-  final usernameC = username.toNativeUtf8().cast<Int8>();
+  final usernameC = username.toNativeUtf8().cast<Char>();
-  final publicKeyC = publicKey.toNativeUtf8().cast<Int8>();
+  final publicKeyC = publicKey.toNativeUtf8().cast<Char>();
-  final privateKeyC = privateKey.toNativeUtf8().cast<Int8>();
+  final privateKeyC = privateKey.toNativeUtf8().cast<Char>();
-  final passPhraseC = passPhrase.toNativeUtf8().cast<Int8>();
+  final passPhraseC = passPhrase.toNativeUtf8().cast<Char>();
 
   libgit2.git_credential_ssh_key_new(
     out,
@@ -59,7 +59,7 @@ Pointer<git_credential> sshKey({
 /// Create a new ssh key credential object used for querying an ssh-agent.
 Pointer<git_credential> sshKeyFromAgent(String username) {
   final out = calloc<Pointer<git_credential>>();
-  final usernameC = username.toNativeUtf8().cast<Int8>();
+  final usernameC = username.toNativeUtf8().cast<Char>();
 
   libgit2.git_credential_ssh_key_from_agent(out, usernameC);
 
@@ -79,10 +79,10 @@ Pointer<git_credential> sshKeyFromMemory({
   required String passPhrase,
 }) {
   final out = calloc<Pointer<git_credential>>();
-  final usernameC = username.toNativeUtf8().cast<Int8>();
+  final usernameC = username.toNativeUtf8().cast<Char>();
-  final publicKeyC = publicKey.toNativeUtf8().cast<Int8>();
+  final publicKeyC = publicKey.toNativeUtf8().cast<Char>();
-  final privateKeyC = privateKey.toNativeUtf8().cast<Int8>();
+  final privateKeyC = privateKey.toNativeUtf8().cast<Char>();
-  final passPhraseC = passPhrase.toNativeUtf8().cast<Int8>();
+  final passPhraseC = passPhrase.toNativeUtf8().cast<Char>();
 
   libgit2.git_credential_ssh_key_memory_new(
     out,

lib/src/bindings/describe.dart

@@ -100,7 +100,7 @@ String format({
     opts.ref.always_use_long_format = alwaysUseLongFormat ? 1 : 0;
   }
   if (dirtySuffix != null) {
-    opts.ref.dirty_suffix = dirtySuffix.toNativeUtf8().cast<Int8>();
+    opts.ref.dirty_suffix = dirtySuffix.toNativeUtf8().cast<Char>();
   }
 
   libgit2.git_describe_format(out, describeResultPointer, opts);
@@ -140,7 +140,7 @@ Pointer<git_describe_options> _initOpts({
     opts.ref.describe_strategy = describeStrategy;
   }
   if (pattern != null) {
-    opts.ref.pattern = pattern.toNativeUtf8().cast<Int8>();
+    opts.ref.pattern = pattern.toNativeUtf8().cast<Char>();
   }
   if (onlyFollowFirstParent != null) {
     opts.ref.only_follow_first_parent = onlyFollowFirstParent ? 1 : 0;

lib/src/bindings/diff.dart

@@ -253,7 +253,7 @@ void merge({
 /// other types of patch files.
 Pointer<git_diff> parse(String content) {
   final out = calloc<Pointer<git_diff>>();
-  final contentC = content.toNativeUtf8().cast<Int8>();
+  final contentC = content.toNativeUtf8().cast<Char>();
   libgit2.git_diff_from_buffer(out, contentC, content.length);
 
   final result = out.value;

lib/src/bindings/graph.dart

@@ -33,8 +33,8 @@ List<int> aheadBehind({
   required Pointer<git_oid> localPointer,
   required Pointer<git_oid> upstreamPointer,
 }) {
-  final ahead = calloc<Uint64>();
+  final ahead = calloc<Size>();
-  final behind = calloc<Uint64>();
+  final behind = calloc<Size>();
 
   libgit2.git_graph_ahead_behind(
     ahead,

lib/src/bindings/index.dart

@@ -125,7 +125,7 @@ Pointer<git_oid> writeTreeTo({
 /// Find the first position of any entries which point to given path in the Git
 /// index.
 bool find({required Pointer<git_index> indexPointer, required String path}) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final result = libgit2.git_index_find(nullptr, indexPointer, pathC);
 
   calloc.free(pathC);
@@ -164,7 +164,7 @@ Pointer<git_index_entry> getByPath({
   required String path,
   required int stage,
 }) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final result = libgit2.git_index_get_bypath(indexPointer, pathC, stage);
 
   calloc.free(pathC);
@@ -231,7 +231,7 @@ void addByPath({
   required Pointer<git_index> indexPointer,
   required String path,
 }) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_index_add_bypath(indexPointer, pathC);
 
   calloc.free(pathC);
@@ -294,8 +294,8 @@ void addAll({
 }) {
   final pathspecC = calloc<git_strarray>();
   final pathPointers =
-      pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      pathspec.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(pathspec.length);
+  final strArray = calloc<Pointer<Char>>(pathspec.length);
 
   for (var i = 0; i < pathspec.length; i++) {
     strArray[i] = pathPointers[i];
@@ -339,8 +339,8 @@ void updateAll({
 }) {
   final pathspecC = calloc<git_strarray>();
   final pathPointers =
-      pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      pathspec.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(pathspec.length);
+  final strArray = calloc<Pointer<Char>>(pathspec.length);
 
   for (var i = 0; i < pathspec.length; i++) {
     strArray[i] = pathPointers[i];
@@ -379,7 +379,7 @@ void remove({
   required String path,
   required int stage,
 }) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_index_remove(indexPointer, pathC, stage);
 
   calloc.free(pathC);
@@ -395,7 +395,7 @@ void removeDirectory({
   required String dir,
   required int stage,
 }) {
-  final dirC = dir.toNativeUtf8().cast<Int8>();
+  final dirC = dir.toNativeUtf8().cast<Char>();
   libgit2.git_index_remove_directory(indexPointer, dirC, stage);
   calloc.free(dirC);
 }
@@ -407,8 +407,8 @@ void removeAll({
 }) {
   final pathspecC = calloc<git_strarray>();
   final pathPointers =
-      pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      pathspec.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(pathspec.length);
+  final strArray = calloc<Pointer<Char>>(pathspec.length);
 
   for (var i = 0; i < pathspec.length; i++) {
     strArray[i] = pathPointers[i];
@@ -511,7 +511,7 @@ void conflictRemove({
   required Pointer<git_index> indexPointer,
   required String path,
 }) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_index_conflict_remove(indexPointer, pathC);
 
   calloc.free(pathC);

lib/src/bindings/libgit2_opts_bindings.dart

@@ -0,0 +1,294 @@
+// coverage:ignore-file
+
+import 'dart:ffi' as ffi;
+
+/// Bindings to libgit2 global options
+class Libgit2Opts {
+  /// Holds the symbol lookup function.
+  final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
+      _lookup;
+
+  /// The symbols are looked up in [dynamicLibrary].
+  Libgit2Opts(ffi.DynamicLibrary dynamicLibrary)
+      : _lookup = dynamicLibrary.lookup;
+
+  /// Set or query a library global option
+  ///
+  /// Available options:
+  ///
+  /// * opts(GIT_OPT_GET_MWINDOW_SIZE, size_t *):
+  ///
+  /// > Get the maximum mmap window size
+  ///
+  /// * opts(GIT_OPT_SET_MWINDOW_SIZE, size_t):
+  ///
+  /// > Set the maximum mmap window size
+  ///
+  /// * opts(GIT_OPT_GET_MWINDOW_MAPPED_LIMIT, size_t *):
+  ///
+  /// > Get the maximum memory that will be mapped in total by the library
+  ///
+  /// * opts(GIT_OPT_SET_MWINDOW_MAPPED_LIMIT, size_t):
+  ///
+  /// > Set the maximum amount of memory that can be mapped at any time
+  /// > by the library
+  ///
+  /// * opts(GIT_OPT_GET_MWINDOW_FILE_LIMIT, size_t *):
+  ///
+  /// > Get the maximum number of files that will be mapped at any time by the
+  /// > library
+  ///
+  /// * opts(GIT_OPT_SET_MWINDOW_FILE_LIMIT, size_t):
+  ///
+  /// > Set the maximum number of files that can be mapped at any time
+  /// > by the library. The default (0) is unlimited.
+  ///
+  /// * opts(GIT_OPT_GET_SEARCH_PATH, int level, git_buf *buf)
+  ///
+  /// > Get the search path for a given level of config data.  "level" must
+  /// > be one of `GIT_CONFIG_LEVEL_SYSTEM`, `GIT_CONFIG_LEVEL_GLOBAL`,
+  /// > `GIT_CONFIG_LEVEL_XDG`, or `GIT_CONFIG_LEVEL_PROGRAMDATA`.
+  /// > The search path is written to the `out` buffer.
+  ///
+  /// * opts(GIT_OPT_SET_SEARCH_PATH, int level, const char *path)
+  ///
+  /// > Set the search path for a level of config data.  The search path
+  /// > applied to shared attributes and ignore files, too.
+  /// >
+  /// > - `path` lists directories delimited by GIT_PATH_LIST_SEPARATOR.
+  /// >   Pass NULL to reset to the default (generally based on environment
+  /// >   variables).  Use magic path `$PATH` to include the old value
+  /// >   of the path (if you want to prepend or append, for instance).
+  /// >
+  /// > - `level` must be `GIT_CONFIG_LEVEL_SYSTEM`,
+  /// >   `GIT_CONFIG_LEVEL_GLOBAL`, `GIT_CONFIG_LEVEL_XDG`, or
+  /// >   `GIT_CONFIG_LEVEL_PROGRAMDATA`.
+  ///
+  /// * opts(GIT_OPT_SET_CACHE_OBJECT_LIMIT, git_object_t type, size_t size)
+  ///
+  /// > Set the maximum data size for the given type of object to be
+  /// > considered eligible for caching in memory.  Setting to value to
+  /// > zero means that that type of object will not be cached.
+  /// > Defaults to 0 for GIT_OBJECT_BLOB (i.e. won't cache blobs) and 4k
+  /// > for GIT_OBJECT_COMMIT, GIT_OBJECT_TREE, and GIT_OBJECT_TAG.
+  ///
+  /// * opts(GIT_OPT_SET_CACHE_MAX_SIZE, ssize_t max_storage_bytes)
+  ///
+  /// > Set the maximum total data size that will be cached in memory
+  /// > across all repositories before libgit2 starts evicting objects
+  /// > from the cache.  This is a soft limit, in that the library might
+  /// > briefly exceed it, but will start aggressively evicting objects
+  /// > from cache when that happens.  The default cache size is 256MB.
+  ///
+  /// * opts(GIT_OPT_ENABLE_CACHING, int enabled)
+  ///
+  /// > Enable or disable caching completely.
+  /// >
+  /// > Because caches are repository-specific, disabling the cache
+  /// > cannot immediately clear all cached objects, but each cache will
+  /// > be cleared on the next attempt to update anything in it.
+  ///
+  /// * opts(GIT_OPT_GET_CACHED_MEMORY, ssize_t *current, ssize_t *allowed)
+  ///
+  /// > Get the current bytes in cache and the maximum that would be
+  /// > allowed in the cache.
+  ///
+  /// * opts(GIT_OPT_GET_TEMPLATE_PATH, git_buf *out)
+  ///
+  /// > Get the default template path.
+  /// > The path is written to the `out` buffer.
+  ///
+  /// * opts(GIT_OPT_SET_TEMPLATE_PATH, const char *path)
+  ///
+  /// > Set the default template path.
+  /// >
+  /// > - `path` directory of template.
+  ///
+  /// * opts(GIT_OPT_SET_SSL_CERT_LOCATIONS, const char *file, const char *path)
+  ///
+  /// > Set the SSL certificate-authority locations.
+  /// >
+  /// > - `file` is the location of a file containing several
+  /// >   certificates concatenated together.
+  /// > - `path` is the location of a directory holding several
+  /// >   certificates, one per file.
+  /// >
+  /// > Either parameter may be `NULL`, but not both.
+  ///
+  /// * opts(GIT_OPT_SET_USER_AGENT, const char *user_agent)
+  ///
+  /// > Set the value of the User-Agent header.  This value will be
+  /// > appended to "git/1.0", for compatibility with other git clients.
+  /// >
+  /// > - `user_agent` is the value that will be delivered as the
+  /// >   User-Agent header on HTTP requests.
+  ///
+  /// * opts(GIT_OPT_SET_WINDOWS_SHAREMODE, unsigned long value)
+  ///
+  /// > Set the share mode used when opening files on Windows.
+  /// > For more information, see the documentation for CreateFile.
+  /// > The default is: FILE_SHARE_READ | FILE_SHARE_WRITE.  This is
+  /// > ignored and unused on non-Windows platforms.
+  ///
+  /// * opts(GIT_OPT_GET_WINDOWS_SHAREMODE, unsigned long *value)
+  ///
+  /// > Get the share mode used when opening files on Windows.
+  ///
+  /// * opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, int enabled)
+  ///
+  /// > Enable strict input validation when creating new objects
+  /// > to ensure that all inputs to the new objects are valid.  For
+  /// > example, when this is enabled, the parent(s) and tree inputs
+  /// > will be validated when creating a new commit.  This defaults
+  /// > to enabled.
+  ///
+  /// * opts(GIT_OPT_ENABLE_STRICT_SYMBOLIC_REF_CREATION, int enabled)
+  ///
+  /// > Validate the target of a symbolic ref when creating it.  For
+  /// > example, `foobar` is not a valid ref, therefore `foobar` is
+  /// > not a valid target for a symbolic ref by default, whereas
+  /// > `refs/heads/foobar` is.  Disabling this bypasses validation
+  /// > so that an arbitrary strings such as `foobar` can be used
+  /// > for a symbolic ref target.  This defaults to enabled.
+  ///
+  /// * opts(GIT_OPT_SET_SSL_CIPHERS, const char *ciphers)
+  ///
+  /// > Set the SSL ciphers use for HTTPS connections.
+  /// >
+  /// > - `ciphers` is the list of ciphers that are eanbled.
+  ///
+  /// * opts(GIT_OPT_GET_USER_AGENT, git_buf *out)
+  ///
+  /// > Get the value of the User-Agent header.
+  /// > The User-Agent is written to the `out` buffer.
+  ///
+  /// * opts(GIT_OPT_ENABLE_OFS_DELTA, int enabled)
+  ///
+  /// > Enable or disable the use of "offset deltas" when creating packfiles,
+  /// > and the negotiation of them when talking to a remote server.
+  /// > Offset deltas store a delta base location as an offset into the
+  /// > packfile from the current location, which provides a shorter encoding
+  /// > and thus smaller resultant packfiles.
+  /// > Packfiles containing offset deltas can still be read.
+  /// > This defaults to enabled.
+  ///
+  /// * opts(GIT_OPT_ENABLE_FSYNC_GITDIR, int enabled)
+  ///
+  /// > Enable synchronized writes of files in the gitdir using `fsync`
+  /// > (or the platform equivalent) to ensure that new object data
+  /// > is written to permanent storage, not simply cached.  This
+  /// > defaults to disabled.
+  ///
+  /// opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, int enabled)
+  ///
+  /// > Enable strict verification of object hashsums when reading
+  /// > objects from disk. This may impact performance due to an
+  /// > additional checksum calculation on each object. This defaults
+  /// > to enabled.
+  ///
+  /// opts(GIT_OPT_SET_ALLOCATOR, git_allocator *allocator)
+  ///
+  /// > Set the memory allocator to a different memory allocator. This
+  /// > allocator will then be used to make all memory allocations for
+  /// > libgit2 operations.  If the given `allocator` is NULL, then the
+  /// > system default will be restored.
+  ///
+  /// opts(GIT_OPT_ENABLE_UNSAVED_INDEX_SAFETY, int enabled)
+  ///
+  /// > Ensure that there are no unsaved changes in the index before
+  /// > beginning any operation that reloads the index from disk (eg,
+  /// > checkout).  If there are unsaved changes, the instruction will
+  /// > fail.  (Using the FORCE flag to checkout will still overwrite
+  /// > these changes.)
+  ///
+  /// opts(GIT_OPT_GET_PACK_MAX_OBJECTS, size_t *out)
+  ///
+  /// > Get the maximum number of objects libgit2 will allow in a pack
+  /// > file when downloading a pack file from a remote. This can be
+  /// > used to limit maximum memory usage when fetching from an untrusted
+  /// > remote.
+  ///
+  /// opts(GIT_OPT_SET_PACK_MAX_OBJECTS, size_t objects)
+  ///
+  /// > Set the maximum number of objects libgit2 will allow in a pack
+  /// > file when downloading a pack file from a remote.
+  ///
+  /// opts(GIT_OPT_DISABLE_PACK_KEEP_FILE_CHECKS, int enabled)
+  /// > This will cause .keep file existence checks to be skipped when
+  /// > accessing packfiles, which can help performance with remote filesystems.
+  ///
+  /// opts(GIT_OPT_ENABLE_HTTP_EXPECT_CONTINUE, int enabled)
+  /// > When connecting to a server using NTLM or Negotiate
+  /// > authentication, use expect/continue when POSTing data.
+  /// > This option is not available on Windows.
+  ///
+  /// opts(GIT_OPT_SET_ODB_PACKED_PRIORITY, int priority)
+  /// > Override the default priority of the packed ODB backend which
+  /// > is added when default backends are assigned to a repository
+  ///
+  /// opts(GIT_OPT_SET_ODB_LOOSE_PRIORITY, int priority)
+  /// > Override the default priority of the loose ODB backend which
+  /// > is added when default backends are assigned to a repository
+  ///
+  /// opts(GIT_OPT_GET_EXTENSIONS, git_strarray *out)
+  /// > Returns the list of git extensions that are supported.  This
+  /// > is the list of built-in extensions supported by libgit2 and
+  /// > custom extensions that have been added with
+  /// > `GIT_OPT_SET_EXTENSIONS`.  Extensions that have been negated
+  /// > will not be returned.  The returned list should be released
+  /// > with `git_strarray_dispose`.
+  ///
+  /// opts(GIT_OPT_SET_EXTENSIONS, const char **extensions, size_t len)
+  /// > Set that the given git extensions are supported by the caller.
+  /// > Extensions supported by libgit2 may be negated by prefixing
+  /// > them with a `!`.  For example: setting extensions to
+  /// > { "!noop", "newext" } indicates that the caller does not want
+  /// > to support repositories with the `noop` extension but does want
+  /// > to support repositories with the `newext` extension.
+  ///
+  /// opts(GIT_OPT_GET_OWNER_VALIDATION, int *enabled)
+  /// > Gets the owner validation setting for repository
+  /// > directories.
+  ///
+  /// opts(GIT_OPT_SET_OWNER_VALIDATION, int enabled)
+  /// > Set that repository directories should be owned by the current
+  /// > user. The default is to validate ownership.
+  ///
+  /// @param option Option key
+  /// @param ... value to set the option
+  /// @return 0 on success, <0 on failure
+  int git_libgit2_opts(
+    int option,
+    ffi.Pointer<ffi.Char> out,
+  ) {
+    return _git_libgit2_opts(
+      option,
+      out,
+    );
+  }
+
+  late final _git_libgit2_optsPtr = _lookup<
+          ffi.NativeFunction<ffi.Int Function(ffi.Int, ffi.Pointer<ffi.Char>)>>(
+      'git_libgit2_opts');
+  late final _git_libgit2_opts = _git_libgit2_optsPtr
+      .asFunction<int Function(int, ffi.Pointer<ffi.Char>)>();
+
+  /// Set a library global option.
+  ///
+  /// Look at [git_libgit2_opts]
+  int git_libgit2_opts_set(
+    int option,
+    int value,
+  ) {
+    return _git_libgit2_opts_set(
+      option,
+      value,
+    );
+  }
+
+  late final _git_libgit2_opts_setPtr =
+      _lookup<ffi.NativeFunction<ffi.Int Function(ffi.Int, ffi.Int)>>(
+          'git_libgit2_opts');
+  late final _git_libgit2_opts_set =
+      _git_libgit2_opts_setPtr.asFunction<int Function(int, int)>();
+}

lib/src/bindings/mailmap.dart

@@ -25,7 +25,7 @@ Pointer<git_mailmap> init() {
 /// returned mailmap must be freed with [free].
 Pointer<git_mailmap> fromBuffer(String buffer) {
   final out = calloc<Pointer<git_mailmap>>();
-  final bufferC = buffer.toNativeUtf8().cast<Int8>();
+  final bufferC = buffer.toNativeUtf8().cast<Char>();
 
   libgit2.git_mailmap_from_buffer(out, bufferC, buffer.length);
 
@@ -70,10 +70,10 @@ List<String> resolve({
   required String name,
   required String email,
 }) {
-  final outRealName = calloc<Pointer<Int8>>();
+  final outRealName = calloc<Pointer<Char>>();
-  final outRealEmail = calloc<Pointer<Int8>>();
+  final outRealEmail = calloc<Pointer<Char>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final emailC = email.toNativeUtf8().cast<Int8>();
+  final emailC = email.toNativeUtf8().cast<Char>();
   libgit2.git_mailmap_resolve(
     outRealName,
     outRealEmail,
@@ -119,10 +119,10 @@ void addEntry({
   String? replaceName,
   required String replaceEmail,
 }) {
-  final realNameC = realName?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final realNameC = realName?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final realEmailC = realEmail?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final realEmailC = realEmail?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final replaceNameC = replaceName?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final replaceNameC = replaceName?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final replaceEmailC = replaceEmail.toNativeUtf8().cast<Int8>();
+  final replaceEmailC = replaceEmail.toNativeUtf8().cast<Char>();
 
   libgit2.git_mailmap_add_entry(
     mailmapPointer,

lib/src/bindings/merge.dart

@@ -183,11 +183,11 @@ String mergeFile({
   libgit2.git_merge_file_input_init(ancestorC, GIT_MERGE_FILE_INPUT_VERSION);
   libgit2.git_merge_file_input_init(oursC, GIT_MERGE_FILE_INPUT_VERSION);
   libgit2.git_merge_file_input_init(theirsC, GIT_MERGE_FILE_INPUT_VERSION);
-  ancestorC.ref.ptr = ancestor.toNativeUtf8().cast<Int8>();
+  ancestorC.ref.ptr = ancestor.toNativeUtf8().cast<Char>();
   ancestorC.ref.size = ancestor.length;
-  oursC.ref.ptr = ours.toNativeUtf8().cast<Int8>();
+  oursC.ref.ptr = ours.toNativeUtf8().cast<Char>();
   oursC.ref.size = ours.length;
-  theirsC.ref.ptr = theirs.toNativeUtf8().cast<Int8>();
+  theirsC.ref.ptr = theirs.toNativeUtf8().cast<Char>();
   theirsC.ref.size = theirs.length;
 
   final opts = calloc<git_merge_file_options>();
@@ -195,13 +195,13 @@ String mergeFile({
   opts.ref.favor = favor;
   opts.ref.flags = flags;
   if (ancestorLabel.isNotEmpty) {
-    opts.ref.ancestor_label = ancestorLabel.toNativeUtf8().cast<Int8>();
+    opts.ref.ancestor_label = ancestorLabel.toNativeUtf8().cast<Char>();
   }
   if (oursLabel.isNotEmpty) {
-    opts.ref.our_label = oursLabel.toNativeUtf8().cast<Int8>();
+    opts.ref.our_label = oursLabel.toNativeUtf8().cast<Char>();
   }
   if (theirsLabel.isNotEmpty) {
-    opts.ref.their_label = theirsLabel.toNativeUtf8().cast<Int8>();
+    opts.ref.their_label = theirsLabel.toNativeUtf8().cast<Char>();
   }
 
   libgit2.git_merge_file(out, ancestorC, oursC, theirsC, opts);

lib/src/bindings/note.dart

@@ -10,7 +10,7 @@ import 'package:libgit2dart/src/util.dart';
 ///
 /// Throws a [LibGit2Error] if error occured.
 List<Map<String, Pointer>> list(Pointer<git_repository> repo) {
-  final notesRef = 'refs/notes/commits'.toNativeUtf8().cast<Int8>();
+  final notesRef = 'refs/notes/commits'.toNativeUtf8().cast<Char>();
   final iterator = calloc<Pointer<git_iterator>>();
   final iteratorError = libgit2.git_note_iterator_new(iterator, repo, notesRef);
 
@@ -57,7 +57,7 @@ Pointer<git_note> lookup({
   String notesRef = 'refs/notes/commits',
 }) {
   final out = calloc<Pointer<git_note>>();
-  final notesRefC = notesRef.toNativeUtf8().cast<Int8>();
+  final notesRefC = notesRef.toNativeUtf8().cast<Char>();
   final error = libgit2.git_note_read(out, repoPointer, notesRefC, oidPointer);
 
   final result = out.value;
@@ -85,8 +85,8 @@ Pointer<git_oid> create({
   bool force = false,
 }) {
   final out = calloc<git_oid>();
-  final notesRefC = notesRef.toNativeUtf8().cast<Int8>();
+  final notesRefC = notesRef.toNativeUtf8().cast<Char>();
-  final noteC = note.toNativeUtf8().cast<Int8>();
+  final noteC = note.toNativeUtf8().cast<Char>();
   final forceC = force ? 1 : 0;
   final error = libgit2.git_note_create(
     out,
@@ -120,7 +120,7 @@ void delete({
   required Pointer<git_signature> committerPointer,
   required Pointer<git_oid> oidPointer,
 }) {
-  final notesRefC = notesRef.toNativeUtf8().cast<Int8>();
+  final notesRefC = notesRef.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_note_remove(
     repoPointer,

lib/src/bindings/odb.dart

@@ -36,7 +36,7 @@ void addDiskAlternate({
   required Pointer<git_odb> odbPointer,
   required String path,
 }) {
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   libgit2.git_odb_add_disk_alternate(odbPointer, pathC);
   calloc.free(pathC);
 }
@@ -94,7 +94,7 @@ int _forEachCb(
 List<Oid> objects(Pointer<git_odb> odb) {
   const except = -1;
   final cb =
-      Pointer.fromFunction<Int32 Function(Pointer<git_oid>, Pointer<Void>)>(
+      Pointer.fromFunction<Int Function(Pointer<git_oid>, Pointer<Void>)>(
     _forEachCb,
     except,
   );
@@ -184,7 +184,7 @@ Pointer<git_oid> write({
     throw LibGit2Error(libgit2.git_error_last());
   }
 
-  final bufferC = data.toNativeUtf8().cast<Int8>();
+  final bufferC = data.toNativeUtf8().cast<Char>();
   libgit2.git_odb_stream_write(stream.value, bufferC, data.length);
 
   final out = calloc<git_oid>();

lib/src/bindings/oid.dart

@@ -7,7 +7,7 @@ import 'package:libgit2dart/src/util.dart';
 /// Parse N characters of a hex formatted object id into a git_oid.
 Pointer<git_oid> fromStrN(String hex) {
   final out = calloc<git_oid>();
-  final hexC = hex.toNativeUtf8().cast<Int8>();
+  final hexC = hex.toNativeUtf8().cast<Char>();
   libgit2.git_oid_fromstrn(out, hexC, hex.length);
 
   calloc.free(hexC);
@@ -18,7 +18,7 @@ Pointer<git_oid> fromStrN(String hex) {
 /// Parse a hex formatted object id into a git_oid.
 Pointer<git_oid> fromSHA(String hex) {
   final out = calloc<git_oid>();
-  final hexC = hex.toNativeUtf8().cast<Int8>();
+  final hexC = hex.toNativeUtf8().cast<Char>();
   libgit2.git_oid_fromstr(out, hexC);
 
   calloc.free(hexC);
@@ -27,9 +27,9 @@ Pointer<git_oid> fromSHA(String hex) {
 }
 
 /// Copy an already raw oid into a git_oid structure.
-Pointer<git_oid> fromRaw(Array<Uint8> raw) {
+Pointer<git_oid> fromRaw(Array<UnsignedChar> raw) {
   final out = calloc<git_oid>();
-  final rawC = calloc<Uint8>(20);
+  final rawC = calloc<UnsignedChar>(20);
 
   for (var i = 0; i < 20; i++) {
     rawC[i] = raw[i];
@@ -44,7 +44,7 @@ Pointer<git_oid> fromRaw(Array<Uint8> raw) {
 
 /// Format a git_oid into a hex string.
 String toSHA(Pointer<git_oid> id) {
-  final out = calloc<Int8>(40);
+  final out = calloc<Char>(40);
   libgit2.git_oid_fmt(out, id);
 
   final result = out.cast<Utf8>().toDartString(length: 40);

lib/src/bindings/packbuilder.dart

@@ -121,7 +121,7 @@ void write({
   required Pointer<git_packbuilder> packbuilderPointer,
   String? path,
 }) {
-  final pathC = path?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final pathC = path?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_packbuilder_write(
     packbuilderPointer,
     pathC,

lib/src/bindings/patch.dart

@@ -17,11 +17,11 @@ Pointer<git_patch> fromBuffers({
   required int interhunkLines,
 }) {
   final out = calloc<Pointer<git_patch>>();
-  final oldBufferC = oldBuffer?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final oldBufferC = oldBuffer?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
   final oldLen = oldBuffer?.length ?? 0;
-  final newBufferC = newBuffer?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final newBufferC = newBuffer?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final newAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final newAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
   final newLen = newBuffer?.length ?? 0;
   final opts = _diffOptionsInit(
     flags: flags,
@@ -65,8 +65,8 @@ Pointer<git_patch> fromBlobs({
   required int interhunkLines,
 }) {
   final out = calloc<Pointer<git_patch>>();
-  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final newAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final newAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
   final opts = _diffOptionsInit(
     flags: flags,
     contextLines: contextLines,
@@ -104,9 +104,9 @@ Pointer<git_patch> fromBlobAndBuffer({
   required int interhunkLines,
 }) {
   final out = calloc<Pointer<git_patch>>();
-  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final oldAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final bufferC = buffer?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final bufferC = buffer?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final bufferAsPathC = oldAsPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final bufferAsPathC = oldAsPath?.toNativeUtf8().cast<Char>() ?? nullptr;
   final bufferLen = buffer?.length ?? 0;
   final opts = _diffOptionsInit(
     flags: flags,
@@ -189,9 +189,9 @@ Map<String, Object> hunk({
 
 /// Get line counts of each type in a patch.
 Map<String, int> lineStats(Pointer<git_patch> patch) {
-  final context = calloc<Uint64>();
+  final context = calloc<Size>();
-  final insertions = calloc<Uint64>();
+  final insertions = calloc<Size>();
-  final deletions = calloc<Uint64>();
+  final deletions = calloc<Size>();
   libgit2.git_patch_line_stats(
     context,
     insertions,

lib/src/bindings/rebase.dart

@@ -128,7 +128,7 @@ void commit({
   required String? message,
 }) {
   final out = calloc<git_oid>();
-  final messageC = message?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final messageC = message?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   final error = libgit2.git_rebase_commit(
     out,

lib/src/bindings/reference.dart

@@ -55,7 +55,7 @@ Pointer<git_reference> lookup({
   required String name,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_reference_lookup(out, repoPointer, nameC);
 
   final result = out.value;
@@ -104,9 +104,9 @@ Pointer<git_reference> rename({
   String? logMessage,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final newNameC = newName.toNativeUtf8().cast<Int8>();
+  final newNameC = newName.toNativeUtf8().cast<Char>();
   final forceC = force == true ? 1 : 0;
-  final logMessageC = logMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final logMessageC = logMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_reference_rename(
     out,
     refPointer,
@@ -156,7 +156,7 @@ bool hasLog({
   required Pointer<git_repository> repoPointer,
   required String name,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final result = libgit2.git_reference_has_log(repoPointer, nameC);
 
   calloc.free(nameC);
@@ -173,7 +173,7 @@ void ensureLog({
   required Pointer<git_repository> repoPointer,
   required String refName,
 }) {
-  final refNameC = refName.toNativeUtf8().cast<Int8>();
+  final refNameC = refName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_reference_ensure_log(repoPointer, refNameC);
 
   calloc.free(refNameC);
@@ -237,9 +237,9 @@ Pointer<git_reference> createDirect({
   String? logMessage,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final forceC = force == true ? 1 : 0;
-  final logMessageC = logMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final logMessageC = logMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_reference_create(
     out,
     repoPointer,
@@ -295,10 +295,10 @@ Pointer<git_reference> createSymbolic({
   String? logMessage,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final targetC = target.toNativeUtf8().cast<Int8>();
+  final targetC = target.toNativeUtf8().cast<Char>();
   final forceC = force == true ? 1 : 0;
-  final logMessageC = logMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final logMessageC = logMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_reference_symbolic_create(
     out,
     repoPointer,
@@ -348,7 +348,7 @@ Pointer<git_reference> setTarget({
   String? logMessage,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final logMessageC = logMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final logMessageC = logMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_reference_set_target(
     out,
     refPointer,
@@ -388,8 +388,8 @@ Pointer<git_reference> setTargetSymbolic({
   String? logMessage,
 }) {
   final out = calloc<Pointer<git_reference>>();
-  final targetC = target.toNativeUtf8().cast<Int8>();
+  final targetC = target.toNativeUtf8().cast<Char>();
-  final logMessageC = logMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final logMessageC = logMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_reference_symbolic_set_target(
     out,
     refPointer,

lib/src/bindings/reflog.dart

@@ -15,7 +15,7 @@ Pointer<git_reflog> read({
   required String name,
 }) {
   final out = calloc<Pointer<git_reflog>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_reflog_read(out, repoPointer, nameC);
 
   final result = out.value;
@@ -43,7 +43,7 @@ void delete({
   required Pointer<git_repository> repoPointer,
   required String name,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_reflog_delete(repoPointer, nameC);
   calloc.free(nameC);
 }
@@ -60,8 +60,8 @@ void rename({
   required String oldName,
   required String newName,
 }) {
-  final oldNameC = oldName.toNativeUtf8().cast<Int8>();
+  final oldNameC = oldName.toNativeUtf8().cast<Char>();
-  final newNameC = newName.toNativeUtf8().cast<Int8>();
+  final newNameC = newName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_reflog_rename(repoPointer, oldNameC, newNameC);
 
   calloc.free(oldNameC);
@@ -82,7 +82,7 @@ void add({
   required String message,
 }) {
   final messageC =
-      message.isEmpty ? nullptr : message.toNativeUtf8().cast<Int8>();
+      message.isEmpty ? nullptr : message.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_reflog_append(
     reflogPointer,

lib/src/bindings/refspec.dart

@@ -34,7 +34,7 @@ bool matchesSource({
   required Pointer<git_refspec> refspecPointer,
   required String refname,
 }) {
-  final refnameC = refname.toNativeUtf8().cast<Int8>();
+  final refnameC = refname.toNativeUtf8().cast<Char>();
   final result = libgit2.git_refspec_src_matches(refspecPointer, refnameC);
 
   calloc.free(refnameC);
@@ -47,7 +47,7 @@ bool matchesDestination({
   required Pointer<git_refspec> refspecPointer,
   required String refname,
 }) {
-  final refnameC = refname.toNativeUtf8().cast<Int8>();
+  final refnameC = refname.toNativeUtf8().cast<Char>();
   final result = libgit2.git_refspec_dst_matches(refspecPointer, refnameC);
 
   calloc.free(refnameC);
@@ -63,7 +63,7 @@ String transform({
   required String name,
 }) {
   final out = calloc<git_buf>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_refspec_transform(out, refspecPointer, nameC);
 
   final result = out.ref.ptr.cast<Utf8>().toDartString(length: out.ref.size);
@@ -88,7 +88,7 @@ String rTransform({
   required String name,
 }) {
   final out = calloc<git_buf>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_refspec_rtransform(out, refspecPointer, nameC);
 
   final result = out.ref.ptr.cast<Utf8>().toDartString(length: out.ref.size);

lib/src/bindings/remote.dart

@@ -34,7 +34,7 @@ Pointer<git_remote> lookup({
   required String name,
 }) {
   final out = calloc<Pointer<git_remote>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_lookup(out, repoPointer, nameC);
 
   final result = out.value;
@@ -59,8 +59,8 @@ Pointer<git_remote> create({
   required String url,
 }) {
   final out = calloc<Pointer<git_remote>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_create(out, repoPointer, nameC, urlC);
 
   final result = out.value;
@@ -87,9 +87,9 @@ Pointer<git_remote> createWithFetchSpec({
   required String fetch,
 }) {
   final out = calloc<Pointer<git_remote>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
-  final fetchC = fetch.toNativeUtf8().cast<Int8>();
+  final fetchC = fetch.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_create_with_fetchspec(
     out,
     repoPointer,
@@ -122,7 +122,7 @@ void delete({
   required Pointer<git_repository> repoPointer,
   required String name,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_delete(repoPointer, nameC);
 
   calloc.free(nameC);
@@ -151,8 +151,8 @@ List<String> rename({
   required String newName,
 }) {
   final out = calloc<git_strarray>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final newNameC = newName.toNativeUtf8().cast<Int8>();
+  final newNameC = newName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_rename(out, repoPointer, nameC, newNameC);
 
   calloc.free(nameC);
@@ -182,8 +182,8 @@ void setUrl({
   required String remote,
   required String url,
 }) {
-  final remoteC = remote.toNativeUtf8().cast<Int8>();
+  final remoteC = remote.toNativeUtf8().cast<Char>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_set_url(repoPointer, remoteC, urlC);
 
   calloc.free(remoteC);
@@ -205,8 +205,8 @@ void setPushUrl({
   required String remote,
   required String url,
 }) {
-  final remoteC = remote.toNativeUtf8().cast<Int8>();
+  final remoteC = remote.toNativeUtf8().cast<Char>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_set_pushurl(repoPointer, remoteC, urlC);
 
   calloc.free(remoteC);
@@ -285,8 +285,8 @@ void addFetch({
   required String remote,
   required String refspec,
 }) {
-  final remoteC = remote.toNativeUtf8().cast<Int8>();
+  final remoteC = remote.toNativeUtf8().cast<Char>();
-  final refspecC = refspec.toNativeUtf8().cast<Int8>();
+  final refspecC = refspec.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_add_fetch(repoPointer, remoteC, refspecC);
 
   calloc.free(remoteC);
@@ -308,8 +308,8 @@ void addPush({
   required String remote,
   required String refspec,
 }) {
-  final remoteC = remote.toNativeUtf8().cast<Int8>();
+  final remoteC = remote.toNativeUtf8().cast<Char>();
-  final refspecC = refspec.toNativeUtf8().cast<Int8>();
+  final refspecC = refspec.toNativeUtf8().cast<Char>();
   final error = libgit2.git_remote_add_push(repoPointer, remoteC, refspecC);
 
   calloc.free(remoteC);
@@ -375,7 +375,7 @@ void connect({
 /// Throws a [LibGit2Error] if error occured.
 List<Map<String, Object?>> lsRemotes(Pointer<git_remote> remote) {
   final out = calloc<Pointer<Pointer<git_remote_head>>>();
-  final size = calloc<Uint64>();
+  final size = calloc<Size>();
   libgit2.git_remote_ls(out, size, remote);
 
   final result = <Map<String, Object?>>[];
@@ -420,8 +420,8 @@ void fetch({
 }) {
   final refspecsC = calloc<git_strarray>();
   final refspecsPointers =
-      refspecs.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      refspecs.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(refspecs.length);
+  final strArray = calloc<Pointer<Char>>(refspecs.length);
 
   for (var i = 0; i < refspecs.length; i++) {
     strArray[i] = refspecsPointers[i];
@@ -429,7 +429,7 @@ void fetch({
 
   refspecsC.ref.count = refspecs.length;
   refspecsC.ref.strings = strArray;
-  final reflogMessageC = reflogMessage?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final reflogMessageC = reflogMessage?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   final proxyOptions = _proxyOptionsInit(proxyOption);
 
@@ -476,8 +476,8 @@ void push({
 }) {
   final refspecsC = calloc<git_strarray>();
   final refspecsPointers =
-      refspecs.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      refspecs.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(refspecs.length);
+  final strArray = calloc<Pointer<Char>>(refspecs.length);
 
   for (var i = 0; i < refspecs.length; i++) {
     strArray[i] = refspecsPointers[i];
@@ -566,7 +566,7 @@ Pointer<git_proxy_options> _proxyOptionsInit(String? proxyOption) {
     proxyOptions.ref.type = git_proxy_t.GIT_PROXY_AUTO;
   } else {
     proxyOptions.ref.type = git_proxy_t.GIT_PROXY_SPECIFIED;
-    proxyOptions.ref.url = proxyOption.toNativeUtf8().cast<Int8>();
+    proxyOptions.ref.url = proxyOption.toNativeUtf8().cast<Char>();
   }
 
   return proxyOptions;

lib/src/bindings/remote_callbacks.dart

@@ -29,7 +29,7 @@ class RemoteCallbacks {
 
   /// Callback for messages received by the transport.
   static int sidebandProgressCb(
-    Pointer<Int8> progressOutput,
+    Pointer<Char> progressOutput,
     int length,
     Pointer<Void> payload,
   ) {
@@ -42,7 +42,7 @@ class RemoteCallbacks {
 
   /// A callback that will be called for every reference.
   static int updateTipsCb(
-    Pointer<Int8> refname,
+    Pointer<Char> refname,
     Pointer<git_oid> oldOid,
     Pointer<git_oid> newOid,
     Pointer<Void> payload,
@@ -58,8 +58,8 @@ class RemoteCallbacks {
   /// not empty, the update was rejected by the remote server
   /// and [message] contains the reason given.
   static int pushUpdateReferenceCb(
-    Pointer<Int8> refname,
+    Pointer<Char> refname,
-    Pointer<Int8> message,
+    Pointer<Char> message,
     Pointer<Void> payload,
   ) {
     final messageResult =
@@ -77,8 +77,8 @@ class RemoteCallbacks {
   static int remoteCb(
     Pointer<Pointer<git_remote>> remote,
     Pointer<git_repository> repo,
-    Pointer<Int8> name,
+    Pointer<Char> name,
-    Pointer<Int8> url,
+    Pointer<Char> url,
     Pointer<Void> payload,
   ) {
     late final Pointer<git_remote> remotePointer;
@@ -110,7 +110,7 @@ class RemoteCallbacks {
   /// A callback used to create the new repository into which to clone.
   static int repositoryCb(
     Pointer<Pointer<git_repository>> repo,
-    Pointer<Int8> path,
+    Pointer<Char> path,
     int bare,
     Pointer<Void> payload,
   ) {
@@ -147,15 +147,15 @@ class RemoteCallbacks {
   /// requires authentication in order to connect to it.
   static int credentialsCb(
     Pointer<Pointer<git_credential>> credPointer,
-    Pointer<Int8> url,
+    Pointer<Char> url,
-    Pointer<Int8> username,
+    Pointer<Char> username,
     int allowedTypes,
     Pointer<Void> payload,
   ) {
-    if (payload.cast<Int8>().value == 2) {
+    if (payload.cast<Char>().value == 2) {
       libgit2.git_error_set_str(
         git_error_t.GIT_ERROR_INVALID,
-        'Incorrect credentials.'.toNativeUtf8().cast<Int8>(),
+        'Incorrect credentials.'.toNativeUtf8().cast<Char>(),
       );
       throw LibGit2Error(libgit2.git_error_last());
     }
@@ -165,7 +165,7 @@ class RemoteCallbacks {
     if (allowedTypes & credentialType.value != credentialType.value) {
       libgit2.git_error_set_str(
         git_error_t.GIT_ERROR_INVALID,
-        'Invalid credential type $credentialType'.toNativeUtf8().cast<Int8>(),
+        'Invalid credential type $credentialType'.toNativeUtf8().cast<Char>(),
       );
       throw LibGit2Error(libgit2.git_error_last());
     }

lib/src/bindings/repository.dart

@@ -17,7 +17,7 @@ import 'package:libgit2dart/src/util.dart';
 /// Throws a [LibGit2Error] if error occured.
 Pointer<git_repository> open(String path) {
   final out = calloc<Pointer<git_repository>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_repository_open(out, pathC);
 
   final result = out.value;
@@ -44,8 +44,8 @@ String discover({
   String? ceilingDirs,
 }) {
   final out = calloc<git_buf>();
-  final startPathC = startPath.toNativeUtf8().cast<Int8>();
+  final startPathC = startPath.toNativeUtf8().cast<Char>();
-  final ceilingDirsC = ceilingDirs?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final ceilingDirsC = ceilingDirs?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   libgit2.git_repository_discover(out, startPathC, 0, ceilingDirsC);
 
@@ -75,12 +75,12 @@ Pointer<git_repository> init({
   String? originUrl,
 }) {
   final out = calloc<Pointer<git_repository>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
-  final workdirPathC = workdirPath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final workdirPathC = workdirPath?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final descriptionC = description?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final descriptionC = description?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final templatePathC = templatePath?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final templatePathC = templatePath?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final initialHeadC = initialHead?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final initialHeadC = initialHead?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final originUrlC = originUrl?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final originUrlC = originUrl?.toNativeUtf8().cast<Char>() ?? nullptr;
   final opts = calloc<git_repository_init_options>();
   libgit2.git_repository_init_options_init(
     opts,
@@ -130,10 +130,10 @@ Pointer<git_repository> clone({
   required Callbacks callbacks,
 }) {
   final out = calloc<Pointer<git_repository>>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
-  final localPathC = localPath.toNativeUtf8().cast<Int8>();
+  final localPathC = localPath.toNativeUtf8().cast<Char>();
   final checkoutBranchC =
-      checkoutBranch?.toNativeUtf8().cast<Int8>() ?? nullptr;
+      checkoutBranch?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   final cloneOptions = calloc<git_clone_options>();
   libgit2.git_clone_options_init(cloneOptions, GIT_CLONE_OPTIONS_VERSION);
@@ -224,7 +224,7 @@ void setNamespace({
   required Pointer<git_repository> repoPointer,
   String? namespace,
 }) {
-  final namespaceC = namespace?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final namespaceC = namespace?.toNativeUtf8().cast<Char>() ?? nullptr;
   libgit2.git_repository_set_namespace(repoPointer, namespaceC);
   calloc.free(namespaceC);
 }
@@ -311,8 +311,8 @@ void setIdentity({
   String? name,
   String? email,
 }) {
-  final nameC = name?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final nameC = name?.toNativeUtf8().cast<Char>() ?? nullptr;
-  final emailC = email?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final emailC = email?.toNativeUtf8().cast<Char>() ?? nullptr;
 
   libgit2.git_repository_set_ident(repoPointer, nameC, emailC);
 
@@ -324,8 +324,8 @@ void setIdentity({
 ///
 /// Returns list with name and email respectively.
 List<String> identity(Pointer<git_repository> repo) {
-  final name = calloc<Pointer<Int8>>();
+  final name = calloc<Pointer<Char>>();
-  final email = calloc<Pointer<Int8>>();
+  final email = calloc<Pointer<Char>>();
   libgit2.git_repository_ident(name, email, repo);
   final identity = <String>[];
 
@@ -495,7 +495,7 @@ void setHead({
   required Pointer<git_repository> repoPointer,
   required String refname,
 }) {
-  final refnameC = refname.toNativeUtf8().cast<Int8>();
+  final refnameC = refname.toNativeUtf8().cast<Char>();
   final error = libgit2.git_repository_set_head(repoPointer, refnameC);
 
   calloc.free(refnameC);
@@ -546,7 +546,7 @@ void setWorkdir({
   required String path,
   required bool updateGitlink,
 }) {
-  final workdirC = path.toNativeUtf8().cast<Int8>();
+  final workdirC = path.toNativeUtf8().cast<Char>();
   final updateGitlinkC = updateGitlink ? 1 : 0;
   final error = libgit2.git_repository_set_workdir(
     repoPointer,

lib/src/bindings/reset.dart

@@ -41,8 +41,8 @@ void resetDefault({
 }) {
   final pathspecC = calloc<git_strarray>();
   final pathPointers =
-      pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
+      pathspec.map((e) => e.toNativeUtf8().cast<Char>()).toList();
-  final strArray = calloc<Pointer<Int8>>(pathspec.length);
+  final strArray = calloc<Pointer<Char>>(pathspec.length);
 
   for (var i = 0; i < pathspec.length; i++) {
     strArray[i] = pathPointers[i];

lib/src/bindings/revparse.dart

@@ -16,7 +16,7 @@ Pointer<git_revspec> revParse({
   required String spec,
 }) {
   final out = calloc<git_revspec>();
-  final specC = spec.toNativeUtf8().cast<Int8>();
+  final specC = spec.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_revparse(out, repoPointer, specC);
 
@@ -42,7 +42,7 @@ Pointer<git_object> revParseSingle({
   required String spec,
 }) {
   final out = calloc<Pointer<git_object>>();
-  final specC = spec.toNativeUtf8().cast<Int8>();
+  final specC = spec.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_revparse_single(out, repoPointer, specC);
 
@@ -76,7 +76,7 @@ List<Pointer> revParseExt({
 }) {
   final objectOut = calloc<Pointer<git_object>>();
   final referenceOut = calloc<Pointer<git_reference>>();
-  final specC = spec.toNativeUtf8().cast<Int8>();
+  final specC = spec.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_revparse_ext(
     objectOut,

lib/src/bindings/revwalk.dart

@@ -81,7 +81,7 @@ void pushGlob({
   required Pointer<git_revwalk> walkerPointer,
   required String glob,
 }) {
-  final globC = glob.toNativeUtf8().cast<Int8>();
+  final globC = glob.toNativeUtf8().cast<Char>();
   libgit2.git_revwalk_push_glob(walkerPointer, globC);
   calloc.free(globC);
 }
@@ -99,7 +99,7 @@ void pushRef({
   required Pointer<git_revwalk> walkerPointer,
   required String refName,
 }) {
-  final refNameC = refName.toNativeUtf8().cast<Int8>();
+  final refNameC = refName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_revwalk_push_ref(walkerPointer, refNameC);
 
   calloc.free(refNameC);
@@ -119,7 +119,7 @@ void pushRange({
   required Pointer<git_revwalk> walkerPointer,
   required String range,
 }) {
-  final rangeC = range.toNativeUtf8().cast<Int8>();
+  final rangeC = range.toNativeUtf8().cast<Char>();
   final error = libgit2.git_revwalk_push_range(walkerPointer, rangeC);
 
   calloc.free(rangeC);
@@ -199,7 +199,7 @@ void hideGlob({
   required Pointer<git_revwalk> walkerPointer,
   required String glob,
 }) {
-  final globC = glob.toNativeUtf8().cast<Int8>();
+  final globC = glob.toNativeUtf8().cast<Char>();
   libgit2.git_revwalk_hide_glob(walkerPointer, globC);
   calloc.free(globC);
 }
@@ -217,7 +217,7 @@ void hideRef({
   required Pointer<git_revwalk> walkerPointer,
   required String refName,
 }) {
-  final refNameC = refName.toNativeUtf8().cast<Int8>();
+  final refNameC = refName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_revwalk_hide_ref(walkerPointer, refNameC);
 
   calloc.free(refNameC);

lib/src/bindings/signature.dart

@@ -19,8 +19,8 @@ Pointer<git_signature> create({
   required int offset,
 }) {
   final out = calloc<Pointer<git_signature>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final emailC = email.toNativeUtf8().cast<Int8>();
+  final emailC = email.toNativeUtf8().cast<Char>();
   final error = libgit2.git_signature_new(out, nameC, emailC, time, offset);
 
   final result = out.value;
@@ -42,8 +42,8 @@ Pointer<git_signature> create({
 /// Throws a [LibGit2Error] if error occured.
 Pointer<git_signature> now({required String name, required String email}) {
   final out = calloc<Pointer<git_signature>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final emailC = email.toNativeUtf8().cast<Int8>();
+  final emailC = email.toNativeUtf8().cast<Char>();
   final error = libgit2.git_signature_now(out, nameC, emailC);
 
   final result = out.value;

lib/src/bindings/stash.dart

@@ -18,7 +18,7 @@ Pointer<git_oid> save({
   required int flags,
 }) {
   final out = calloc<git_oid>();
-  final messageC = message?.toNativeUtf8().cast<Int8>() ?? nullptr;
+  final messageC = message?.toNativeUtf8().cast<Char>() ?? nullptr;
   final error = libgit2.git_stash_save(
     out,
     repoPointer,
@@ -143,7 +143,7 @@ var _stashList = <Stash>[];
 /// A callback function to iterate over all the stashed states.
 int _stashCb(
   int index,
-  Pointer<Int8> message,
+  Pointer<Char> message,
   Pointer<git_oid> oid,
   Pointer<Void> payload,
 ) {

lib/src/bindings/status.dart

@@ -62,8 +62,8 @@ Pointer<git_status_entry> getByIndex({
 ///
 /// Throws a [LibGit2Error] if error occured.
 int file({required Pointer<git_repository> repoPointer, required String path}) {
-  final out = calloc<Uint32>();
+  final out = calloc<UnsignedInt>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_status_file(out, repoPointer, pathC);
 
   final result = out.value;

lib/src/bindings/submodule.dart

@@ -15,7 +15,7 @@ List<String> _pathsList = [];
 /// Function to be called with the name of each submodule.
 int _listCb(
   Pointer<git_submodule> submodule,
-  Pointer<Int8> name,
+  Pointer<Char> name,
   Pointer<Void> payload,
 ) {
   _pathsList.add(path(submodule));
@@ -26,7 +26,7 @@ int _listCb(
 List<String> list(Pointer<git_repository> repo) {
   const except = -1;
   final callback = Pointer.fromFunction<
-      Int32 Function(Pointer<git_submodule>, Pointer<Int8>, Pointer<Void>)>(
+      Int Function(Pointer<git_submodule>, Pointer<Char>, Pointer<Void>)>(
     _listCb,
     except,
   );
@@ -50,7 +50,7 @@ Pointer<git_submodule> lookup({
   required String name,
 }) {
   final out = calloc<Pointer<git_submodule>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
 
   final error = libgit2.git_submodule_lookup(out, repoPointer, nameC);
 
@@ -159,8 +159,8 @@ Pointer<git_submodule> addSetup({
   bool useGitlink = true,
 }) {
   final out = calloc<Pointer<git_submodule>>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final useGitlinkC = useGitlink ? 1 : 0;
   final error = libgit2.git_submodule_add_setup(
     out,
@@ -232,8 +232,8 @@ int status({
   required String name,
   required int ignore,
 }) {
-  final out = calloc<Uint32>();
+  final out = calloc<UnsignedInt>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_submodule_status(out, repoPointer, nameC, ignore);
 
   final result = out.value;
@@ -294,8 +294,8 @@ void setUrl({
   required String name,
   required String url,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final urlC = url.toNativeUtf8().cast<Int8>();
+  final urlC = url.toNativeUtf8().cast<Char>();
 
   libgit2.git_submodule_set_url(repoPointer, nameC, urlC);
 
@@ -318,8 +318,8 @@ void setBranch({
   required String name,
   required String branch,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final branchC = branch.toNativeUtf8().cast<Int8>();
+  final branchC = branch.toNativeUtf8().cast<Char>();
 
   libgit2.git_submodule_set_branch(repoPointer, nameC, branchC);
 
@@ -369,7 +369,7 @@ void setIgnore({
   required String name,
   required int ignore,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_submodule_set_ignore(repoPointer, nameC, ignore);
   calloc.free(nameC);
 }
@@ -389,7 +389,7 @@ void setUpdateRule({
   required String name,
   required int update,
 }) {
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   libgit2.git_submodule_set_update(repoPointer, nameC, update);
   calloc.free(nameC);
 }

lib/src/bindings/tag.dart

@@ -115,8 +115,8 @@ Pointer<git_oid> createAnnotated({
   required bool force,
 }) {
   final out = calloc<git_oid>();
-  final tagNameC = tagName.toNativeUtf8().cast<Int8>();
+  final tagNameC = tagName.toNativeUtf8().cast<Char>();
-  final messageC = message.toNativeUtf8().cast<Int8>();
+  final messageC = message.toNativeUtf8().cast<Char>();
   final error = libgit2.git_tag_create(
     out,
     repoPointer,
@@ -155,7 +155,7 @@ Pointer<git_oid> createLightweight({
   required bool force,
 }) {
   final out = calloc<git_oid>();
-  final tagNameC = tagName.toNativeUtf8().cast<Int8>();
+  final tagNameC = tagName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_tag_create_lightweight(
     out,
     repoPointer,
@@ -183,7 +183,7 @@ void delete({
   required Pointer<git_repository> repoPointer,
   required String tagName,
 }) {
-  final tagNameC = tagName.toNativeUtf8().cast<Int8>();
+  final tagNameC = tagName.toNativeUtf8().cast<Char>();
   final error = libgit2.git_tag_delete(repoPointer, tagNameC);
 
   calloc.free(tagNameC);

lib/src/bindings/tree.dart

@@ -59,7 +59,7 @@ Pointer<git_tree_entry> getByName({
   required Pointer<git_tree> treePointer,
   required String filename,
 }) {
-  final filenameC = filename.toNativeUtf8().cast<Int8>();
+  final filenameC = filename.toNativeUtf8().cast<Char>();
   final result = libgit2.git_tree_entry_byname(treePointer, filenameC);
 
   calloc.free(filenameC);
@@ -83,7 +83,7 @@ Pointer<git_tree_entry> getByPath({
   required String path,
 }) {
   final out = calloc<Pointer<git_tree_entry>>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
   final error = libgit2.git_tree_entry_bypath(out, rootPointer, pathC);
 
   final result = out.value;

lib/src/bindings/treebuilder.dart

@@ -53,7 +53,7 @@ Pointer<git_tree_entry> getByFilename({
   required Pointer<git_treebuilder> builderPointer,
   required String filename,
 }) {
-  final filenameC = filename.toNativeUtf8().cast<Int8>();
+  final filenameC = filename.toNativeUtf8().cast<Char>();
   final result = libgit2.git_treebuilder_get(builderPointer, filenameC);
 
   calloc.free(filenameC);
@@ -82,7 +82,7 @@ void add({
   required Pointer<git_oid> oidPointer,
   required int filemode,
 }) {
-  final filenameC = filename.toNativeUtf8().cast<Int8>();
+  final filenameC = filename.toNativeUtf8().cast<Char>();
   final error = libgit2.git_treebuilder_insert(
     nullptr,
     builderPointer,
@@ -105,7 +105,7 @@ void remove({
   required Pointer<git_treebuilder> builderPointer,
   required String filename,
 }) {
-  final filenameC = filename.toNativeUtf8().cast<Int8>();
+  final filenameC = filename.toNativeUtf8().cast<Char>();
   final error = libgit2.git_treebuilder_remove(builderPointer, filenameC);
 
   calloc.free(filenameC);

lib/src/bindings/worktree.dart

@@ -20,8 +20,8 @@ Pointer<git_worktree> create({
   Pointer<git_reference>? refPointer,
 }) {
   final out = calloc<Pointer<git_worktree>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
-  final pathC = path.toNativeUtf8().cast<Int8>();
+  final pathC = path.toNativeUtf8().cast<Char>();
 
   final opts = calloc<git_worktree_add_options>();
   libgit2.git_worktree_add_options_init(opts, GIT_WORKTREE_ADD_OPTIONS_VERSION);
@@ -56,7 +56,7 @@ Pointer<git_worktree> lookup({
   required String name,
 }) {
   final out = calloc<Pointer<git_worktree>>();
-  final nameC = name.toNativeUtf8().cast<Int8>();
+  final nameC = name.toNativeUtf8().cast<Char>();
   final error = libgit2.git_worktree_lookup(out, repoPointer, nameC);
 
   final result = out.value;

lib/src/index.dart

@@ -348,7 +348,7 @@ class IndexEntry extends Equatable {
   String get path => _indexEntryPointer.ref.path.cast<Utf8>().toDartString();
 
   set path(String path) =>
-      _indexEntryPointer.ref.path = path.toNativeUtf8().cast<Int8>();
+      _indexEntryPointer.ref.path = path.toNativeUtf8().cast<Char>();
 
   /// UNIX file attributes of a index entry.
   GitFilemode get mode {

lib/src/libgit2.dart

@@ -12,9 +12,9 @@ class Libgit2 {
   static String get version {
     libgit2.git_libgit2_init();
 
-    final major = calloc<Int32>();
+    final major = calloc<Int>();
-    final minor = calloc<Int32>();
+    final minor = calloc<Int>();
-    final rev = calloc<Int32>();
+    final rev = calloc<Int>();
     libgit2.git_libgit2_version(major, minor, rev);
 
     final version = '${major.value}.${minor.value}.${rev.value}';
@@ -39,8 +39,8 @@ class Libgit2 {
   static bool get ownerValidation {
     libgit2.git_libgit2_init();
 
-    final out = calloc<Int8>();
+    final out = calloc<Char>();
-    libgit2.git_libgit2_opts(
+    libgit2Opts.git_libgit2_opts(
       git_libgit2_opt_t.GIT_OPT_GET_OWNER_VALIDATION,
       out,
     );
@@ -53,8 +53,9 @@ class Libgit2 {
   /// Sets owner validation setting for repository directories.
   static set ownerValidation(bool value) {
     libgit2.git_libgit2_init();
+
     final valueC = value ? 1 : 0;
-    libgit2.git_libgit2_opts_set(
+    libgit2Opts.git_libgit2_opts_set(
       git_libgit2_opt_t.GIT_OPT_SET_OWNER_VALIDATION,
       valueC,
     );

lib/src/util.dart

@@ -3,8 +3,8 @@
 import 'dart:ffi';
 import 'dart:io';
 
-import 'package:cli_util/cli_logging.dart' show Ansi, Logger;
 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';
 
@@ -78,19 +78,16 @@ DynamicLibrary loadLibrary(String name) {
       _resolveLibPath(name) ?? name,
     );
   } catch (e) {
-    final logger = Logger.standard();
+    stderr.writeln(
-    final ansi = Ansi(Ansi.terminalSupportsAnsi);
+      'Failed to open the library. Make sure that libgit2 library is bundled '
-
+      'with the application.',
-    logger.stderr(
-      '${ansi.red}Failed to open the library. Make sure that libgit2 '
-      'library is bundled with the application.${ansi.none}',
     );
-    logger.stdout(ansi.none);
     rethrow;
   }
 }
 
 final libgit2 = Libgit2(loadLibrary(getLibName()));
+final libgit2Opts = Libgit2Opts(loadLibrary(getLibName()));
 
 bool isValidShaHex(String str) {
   final hexRegExp = RegExp(r'^[0-9a-fA-F]+$');

pubspec.yaml

@@ -1,6 +1,6 @@
 name: libgit2dart
 
-description: Dart bindings to libgit2.
+description: Dart bindings to libgit2, provides ability to use libgit2 library in Dart and Flutter.
 
 version: 1.0.0
 
@@ -8,11 +8,10 @@ homepage: https://github.com/SkinnyMind/libgit2dart
 
 environment:
   sdk: ">=2.17.0 <3.0.0"
-  flutter: ">=2.13.0-0.0.pre.578"
+  flutter: ">=3.0.0"
 
 dependencies:
   args: ^2.3.0
-  cli_util: ^0.3.5
   equatable: ^2.0.3
   ffi: ^1.1.2
   meta: ^1.7.0
@@ -20,7 +19,7 @@ dependencies:
   pub_cache: ^0.3.1
 
 dev_dependencies:
-  ffigen: ^4.1.2
+  ffigen: ^5.0.0
   lints: ^2.0.0
   test: ^1.20.0