style: use Object instead of dynamic

lib/src/bindings/attr.dart

@@ -10,7 +10,7 @@ import 'libgit2_bindings.dart';
 /// or a [String] value, if the attribute was set to an actual string.
 ///
 /// Throws a [LibGit2Error] if error occured.
-dynamic getAttribute({
+Object? getAttribute({
   required Pointer<git_repository> repoPointer,
   required int flags,
   required String path,

lib/src/bindings/checkout.dart

@@ -28,12 +28,15 @@ void head({
   final pathPointers = initOpts[1];
   final strArray = initOpts[2];
 
-  final error = libgit2.git_checkout_head(repoPointer, optsC);
+  final error = libgit2.git_checkout_head(
+    repoPointer,
+    optsC as Pointer<git_checkout_options>,
+  );
 
-  for (final p in pathPointers) {
+  for (final p in pathPointers as List) {
     calloc.free(p);
   }
-  calloc.free(strArray);
+  calloc.free(strArray as Pointer);
   calloc.free(optsC);
 
   if (error < 0) {
@@ -59,12 +62,16 @@ void index({
   final pathPointers = initOpts[1];
   final strArray = initOpts[2];
 
-  final error = libgit2.git_checkout_index(repoPointer, nullptr, optsC);
+  final error = libgit2.git_checkout_index(
+    repoPointer,
+    nullptr,
+    optsC as Pointer<git_checkout_options>,
+  );
 
-  for (final p in pathPointers) {
+  for (final p in pathPointers as List) {
     calloc.free(p);
   }
-  calloc.free(strArray);
+  calloc.free(strArray as Pointer);
   calloc.free(optsC);
 
   if (error < 0) {
@@ -92,12 +99,16 @@ void tree({
   final pathPointers = initOpts[1];
   final strArray = initOpts[2];
 
-  final error = libgit2.git_checkout_tree(repoPointer, treeishPointer, optsC);
+  final error = libgit2.git_checkout_tree(
+    repoPointer,
+    treeishPointer,
+    optsC as Pointer<git_checkout_options>,
+  );
 
-  for (final p in pathPointers) {
+  for (final p in pathPointers as List) {
     calloc.free(p);
   }
-  calloc.free(strArray);
+  calloc.free(strArray as Pointer);
   calloc.free(optsC);
 
   if (error < 0) {
@@ -105,12 +116,12 @@ void tree({
   }
 }
 
-List<dynamic> initOptions({
+List<Object> initOptions({
   required int strategy,
   String? directory,
   List<String>? paths,
 }) {
-  final optsC = calloc<git_checkout_options>(sizeOf<git_checkout_options>());
+  final optsC = calloc<git_checkout_options>();
   libgit2.git_checkout_options_init(optsC, GIT_CHECKOUT_OPTIONS_VERSION);
 
   optsC.ref.checkout_strategy = strategy;

lib/src/bindings/patch.dart

@@ -10,7 +10,7 @@ import '../util.dart';
 /// you must call `free()` on the patch when done.
 ///
 /// Throws a [LibGit2Error] if error occured.
-Map<String, dynamic> fromBuffers({
+Map<String, Pointer?> fromBuffers({
   String? oldBuffer,
   String? oldAsPath,
   String? newBuffer,
@@ -66,7 +66,7 @@ Map<String, dynamic> fromBuffers({
 /// must call `free()` on the patch when done.
 ///
 /// Throws a [LibGit2Error] if error occured.
-Map<String, dynamic> fromBlobs({
+Map<String, Pointer?> fromBlobs({
   Pointer<git_blob>? oldBlobPointer,
   String? oldAsPath,
   Pointer<git_blob>? newBlobPointer,
@@ -114,7 +114,7 @@ Map<String, dynamic> fromBlobs({
 /// call `free()` on the patch when done.
 ///
 /// Throws a [LibGit2Error] if error occured.
-Map<String, dynamic> fromBlobAndBuffer({
+Map<String, Pointer?> fromBlobAndBuffer({
   Pointer<git_blob>? oldBlobPointer,
   String? oldAsPath,
   String? buffer,
@@ -194,7 +194,7 @@ int numHunks(Pointer<git_patch> patch) => libgit2.git_patch_num_hunks(patch);
 /// Given a patch and a hunk index into the patch, this returns detailed information about that hunk.
 ///
 /// Throws a [LibGit2Error] if error occured.
-Map<String, dynamic> hunk({
+Map<String, Object> hunk({
   required Pointer<git_patch> patchPointer,
   required int hunkIndex,
 }) {

lib/src/bindings/remote.dart

@@ -374,7 +374,7 @@ void connect({
 /// remains available after disconnecting.
 ///
 /// Throws a [LibGit2Error] if error occured.
-List<Map<String, dynamic>> lsRemotes(Pointer<git_remote> remote) {
+List<Map<String, Object?>> lsRemotes(Pointer<git_remote> remote) {
   final out = calloc<Pointer<Pointer<git_remote_head>>>();
   final size = calloc<Uint64>();
   final error = libgit2.git_remote_ls(out, size, remote);
@@ -384,10 +384,10 @@ List<Map<String, dynamic>> lsRemotes(Pointer<git_remote> remote) {
     calloc.free(size);
     throw LibGit2Error(libgit2.git_error_last());
   } else {
-    var result = <Map<String, dynamic>>[];
+    var result = <Map<String, Object?>>[];
 
     for (var i = 0; i < size.value; i++) {
-      var remote = <String, dynamic>{};
+      var remote = <String, Object?>{};
       Oid? loid;
 
       final bool local = out[0][i].ref.local == 1 ? true : false;

lib/src/bindings/stash.dart

@@ -72,10 +72,10 @@ void apply({
 
   final error = libgit2.git_stash_apply(repoPointer, index, options);
 
-  for (final p in pathPointers) {
+  for (final p in pathPointers as List) {
     calloc.free(p);
   }
-  calloc.free(strArray);
+  calloc.free(strArray as Pointer);
   calloc.free(optsC);
   calloc.free(options);
 
@@ -127,10 +127,10 @@ void pop({
 
   final error = libgit2.git_stash_pop(repoPointer, index, options);
 
-  for (final p in pathPointers) {
+  for (final p in pathPointers as List) {
     calloc.free(p);
   }
-  calloc.free(strArray);
+  calloc.free(strArray as Pointer);
   calloc.free(optsC);
   calloc.free(options);
 

lib/src/blob.dart

@@ -97,7 +97,11 @@ class Blob {
       interhunkLines: interhunkLines,
     );
 
-    return Patch(result['patch'], result['a'], result['b']);
+    return Patch(
+      result['patch'] as Pointer<git_patch>,
+      result['a'],
+      result['b'],
+    );
   }
 
   /// Directly generate a [Patch] from the difference between the blob and a buffer.
@@ -123,7 +127,11 @@ class Blob {
       interhunkLines: interhunkLines,
     );
 
-    return Patch(result['patch'], result['a'], result['b']);
+    return Patch(
+      result['patch'] as Pointer<git_patch>,
+      result['a'],
+      result['b'],
+    );
   }
 
   /// Releases memory allocated for blob object.

lib/src/config.dart

@@ -99,7 +99,9 @@ class Config with IterableMixin<ConfigEntry> {
   }
 
   /// Sets the [value] of config [variable].
-  void operator []=(String variable, dynamic value) {
+  ///
+  /// Throws [ArgumentError] if provided [value] is not bool, int or String.
+  void operator []=(String variable, Object value) {
     if (value is bool) {
       bindings.setBool(
         configPointer: _configPointer,
@@ -112,12 +114,14 @@ class Config with IterableMixin<ConfigEntry> {
         variable: variable,
         value: value,
       );
-    } else {
+    } else if (value is String) {
       bindings.setString(
         configPointer: _configPointer,
         variable: variable,
         value: value,
       );
+    } else {
+      throw ArgumentError.value('$value must be either bool, int or String');
     }
   }
 

lib/src/patch.dart

@@ -20,9 +20,9 @@ class Patch {
   /// Should be freed with `free()` to release allocated memory.
   ///
   /// Throws a [LibGit2Error] if error occured.
-  Patch.createFrom({
-    required dynamic a,
-    required dynamic b,
+  Patch.create({
+    required Object? a,
+    required Object? b,
     String? aPath,
     String? bPath,
     Set<GitDiff> flags = const {GitDiff.normal},
@@ -32,12 +32,12 @@ class Patch {
     libgit2.git_libgit2_init();
 
     final int flagsInt = flags.fold(0, (acc, e) => acc | e.value);
-    var result = <String, dynamic>{};
+    var result = <String, Pointer?>{};
 
-    if (a is Blob || a == null) {
+    if (a is Blob?) {
       if (b is Blob) {
         result = bindings.fromBlobs(
-          oldBlobPointer: a?.pointer,
+          oldBlobPointer: a?.pointer ?? nullptr,
           oldAsPath: aPath,
           newBlobPointer: b.pointer,
           newAsPath: bPath,
@@ -45,7 +45,7 @@ class Patch {
           contextLines: contextLines,
           interhunkLines: interhunkLines,
         );
-      } else if (b is String || b == null) {
+      } else if (b is String?) {
         result = bindings.fromBlobAndBuffer(
           oldBlobPointer: a?.pointer,
           oldAsPath: aPath,
@@ -58,9 +58,9 @@ class Patch {
       } else {
         throw ArgumentError('Provided argument(s) is not Blob or String');
       }
-    } else if ((a is String || a == null) && (b is String || b == null)) {
+    } else if ((a is String?) && (b is String?)) {
       result = bindings.fromBuffers(
-        oldBuffer: a,
+        oldBuffer: a as String?,
         oldAsPath: aPath,
         newBuffer: b,
         newAsPath: bPath,
@@ -72,7 +72,7 @@ class Patch {
       throw ArgumentError('Provided argument(s) is not Blob or String');
     }
 
-    _patchPointer = result['patch'];
+    _patchPointer = result['patch'] as Pointer<git_patch>;
     _aPointer = result['a'];
     _bPointer = result['b'];
   }
@@ -90,8 +90,8 @@ class Patch {
 
   late final Pointer<git_patch> _patchPointer;
 
-  dynamic _aPointer;
-  dynamic _bPointer;
+  Pointer<NativeType>? _aPointer;
+  Pointer<NativeType>? _bPointer;
 
   /// Pointer to memory address for allocated patch object.
   Pointer<git_patch> get pointer => _patchPointer;
@@ -134,7 +134,12 @@ class Patch {
 
     for (var i = 0; i < length; i++) {
       final hunk = bindings.hunk(patchPointer: _patchPointer, hunkIndex: i);
-      hunks.add(DiffHunk(_patchPointer, hunk['hunk'], hunk['linesN'], i));
+      hunks.add(DiffHunk(
+        _patchPointer,
+        hunk['hunk'] as Pointer<git_diff_hunk>,
+        hunk['linesN'] as int,
+        i,
+      ));
     }
 
     return hunks;
@@ -143,10 +148,10 @@ class Patch {
   /// Releases memory allocated for patch object.
   void free() {
     if (_aPointer != null) {
-      calloc.free(_aPointer);
+      calloc.free(_aPointer!);
     }
     if (_bPointer != null) {
-      calloc.free(_bPointer);
+      calloc.free(_bPointer!);
     }
     bindings.free(_patchPointer);
   }

lib/src/remote.dart

@@ -194,7 +194,7 @@ class Remote {
   /// specified url. By default connection isn't done through proxy.
   ///
   /// Throws a [LibGit2Error] if error occured.
-  List<Map<String, dynamic>> ls({
+  List<Map<String, Object?>> ls({
     String? proxy,
     Callbacks callbacks = const Callbacks(),
   }) {

lib/src/repository.dart

@@ -1237,7 +1237,7 @@ class Repository {
   /// or a [String] value, if the attribute was set to an actual string.
   ///
   /// Throws a [LibGit2Error] if error occured.
-  dynamic getAttribute({
+  Object? getAttribute({
     required String path,
     required String name,
     Set<GitAttributeCheck> flags = const {GitAttributeCheck.fileThenIndex},