feat: add ability to compare objects (#54)

lib/src/annotated.dart

@@ -1,10 +1,13 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/annotated.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
+import 'package:meta/meta.dart';
 
-class AnnotatedCommit {
+@immutable
+class AnnotatedCommit extends Equatable {
   /// Lookups an annotated commit from the given commit [oid].
   ///
   /// It is preferable to use [AnnotatedCommit.fromReference] instead of this
@@ -96,6 +99,9 @@ class AnnotatedCommit {
     bindings.free(_annotatedCommitPointer);
     _finalizer.detach(this);
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start

lib/src/bindings/reference.dart

@@ -410,14 +410,6 @@ Pointer<git_reference> setTargetSymbolic({
   }
 }
 
-/// Compare two references.
-bool compare({
-  required Pointer<git_reference> ref1Pointer,
-  required Pointer<git_reference> ref2Pointer,
-}) {
-  return libgit2.git_reference_cmp(ref1Pointer, ref2Pointer) == 0 || false;
-}
-
 /// Recursively peel reference until object of the specified type is found.
 ///
 /// The retrieved peeled object is owned by the repository and should be closed

lib/src/blame.dart

@@ -1,10 +1,12 @@
 import 'dart:collection';
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/blame.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
+import 'package:meta/meta.dart';
 
 class Blame with IterableMixin<BlameHunk> {
   /// Returns the blame for a single file.
@@ -120,7 +122,8 @@ final _finalizer = Finalizer<Pointer<git_blame>>(
 );
 // coverage:ignore-end
 
-class BlameHunk {
+@immutable
+class BlameHunk extends Equatable {
   /// Initializes a new instance of the [BlameHunk] class from
   /// provided pointer to blame hunk object in memory.
   const BlameHunk._(this._blameHunkPointer);
@@ -183,6 +186,19 @@ class BlameHunk {
         'originCommitter: $originCommitter, originCommitOid: $originCommitOid, '
         'originPath: $originPath}';
   }
+
+  @override
+  List<Object?> get props => [
+        linesCount,
+        isBoundary,
+        finalStartLineNumber,
+        finalCommitter,
+        finalCommitOid,
+        originStartLineNumber,
+        originCommitter,
+        originCommitOid,
+        originPath,
+      ];
 }
 
 class _BlameIterator implements Iterator<BlameHunk> {

lib/src/blob.dart

@@ -1,10 +1,13 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/blob.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
+import 'package:meta/meta.dart';
 
-class Blob {
+@immutable
+class Blob extends Equatable {
   /// Initializes a new instance of [Blob] class from provided pointer to
   /// blob object in memory.
   ///
@@ -124,6 +127,9 @@ class Blob {
   String toString() {
     return 'Blob{oid: $oid, isBinary: $isBinary, size: $size}';
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start

lib/src/branch.dart

@@ -1,11 +1,14 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/branch.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/reference.dart' as reference_bindings;
+import 'package:meta/meta.dart';
 
-class Branch {
+@immutable
+class Branch extends Equatable {
   /// Initializes a new instance of [Branch] class from provided pointer to
   /// branch object in memory.
   ///
@@ -228,6 +231,9 @@ class Branch {
     return 'Branch{name: $name, target: $target, isHead: $isHead, '
         'isCheckedOut: $isCheckedOut}';
   }
+
+  @override
+  List<Object?> get props => [target, name];
 }
 
 // coverage:ignore-start

lib/src/commit.dart

@@ -1,11 +1,14 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/commit.dart' as bindings;
 import 'package:libgit2dart/src/bindings/graph.dart' as graph_bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
+import 'package:meta/meta.dart';
 
-class Commit {
+@immutable
+class Commit extends Equatable {
   /// Initializes a new instance of [Commit] class from provided pointer to
   /// commit object in memory.
   ///
@@ -338,6 +341,9 @@ class Commit {
         'messageEncoding: $messageEncoding, time: $time, committer: $committer,'
         ' author: $author}';
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start

lib/src/config.dart

@@ -2,11 +2,13 @@ import 'dart:collection';
 import 'dart:ffi';
 import 'dart:io';
 
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/config.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
 class Config with IterableMixin<ConfigEntry> {
   /// Initializes a new instance of [Config] class from provided
@@ -209,8 +211,9 @@ final _finalizer = Finalizer<Pointer<git_config>>(
 );
 // coverage:ignore-end
 
-class ConfigEntry {
-  ConfigEntry._({
+@immutable
+class ConfigEntry extends Equatable {
+  const ConfigEntry._({
     required this.name,
     required this.value,
     required this.includeDepth,
@@ -234,6 +237,9 @@ class ConfigEntry {
     return 'ConfigEntry{name: $name, value: $value, '
         'includeDepth: $includeDepth, level: $level}';
   }
+
+  @override
+  List<Object?> get props => [name, value, includeDepth, level];
 }
 
 class _ConfigIterator implements Iterator<ConfigEntry> {

lib/src/diff.dart

@@ -1,12 +1,15 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/diff.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
-class Diff {
+@immutable
+class Diff extends Equatable {
   /// Initializes a new instance of [Diff] class from provided
   /// pointer to diff object in memory.
   ///
@@ -461,8 +464,11 @@ class Diff {
 
   @override
   String toString() {
-    return 'Diff{length: $length}';
+    return 'Diff{length: $length, patchOid: $patchOid}';
   }
+
+  @override
+  List<Object?> get props => [patchOid];
 }
 
 // coverage:ignore-start
@@ -471,7 +477,8 @@ final _finalizer = Finalizer<Pointer<git_diff>>(
 );
 // coverage:ignore-end
 
-class DiffDelta {
+@immutable
+class DiffDelta extends Equatable {
   /// Initializes a new instance of [DiffDelta] class from provided
   /// pointer to diff delta object in memory.
   const DiffDelta(this._diffDeltaPointer);
@@ -519,6 +526,16 @@ class DiffDelta {
     return 'DiffDelta{status: $status, flags: $flags, similarity: $similarity, '
         'numberOfFiles: $numberOfFiles, oldFile: $oldFile, newFile: $newFile}';
   }
+
+  @override
+  List<Object?> get props => [
+        status,
+        flags,
+        similarity,
+        numberOfFiles,
+        oldFile,
+        newFile,
+      ];
 }
 
 /// Description of one side of a delta.
@@ -526,7 +543,8 @@ class DiffDelta {
 /// Although this is called a "file", it could represent a file, a symbolic
 /// link, a submodule commit id, or even a tree (although that only if you
 /// are tracking type changes or ignored/untracked directories).
-class DiffFile {
+@immutable
+class DiffFile extends Equatable {
   /// Initializes a new instance of [DiffFile] class from provided diff file
   /// object.
   const DiffFile._(this._diffFile);
@@ -560,6 +578,9 @@ class DiffFile {
     return 'DiffFile{oid: $oid, path: $path, size: $size, flags: $flags, '
         'mode: $mode}';
   }
+
+  @override
+  List<Object?> get props => [oid, path, size, flags, mode];
 }
 
 class DiffStats {

lib/src/index.dart

@@ -1,10 +1,12 @@
 import 'dart:collection';
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/index.dart' as bindings;
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
+import 'package:meta/meta.dart';
 
 class Index with IterableMixin<IndexEntry> {
   /// Initializes a new instance of [Index] class from provided
@@ -323,7 +325,8 @@ final _finalizer = Finalizer<Pointer<git_index>>(
 );
 // coverage:ignore-end
 
-class IndexEntry {
+@immutable
+class IndexEntry extends Equatable {
   /// Initializes a new instance of [IndexEntry] class.
   ///
   /// Note: For internal use.
@@ -367,6 +370,9 @@ class IndexEntry {
   String toString() {
     return 'IndexEntry{oid: $oid, path: $path, mode: $mode, stage: $stage}';
   }
+
+  @override
+  List<Object?> get props => [oid, path, mode, stage];
 }
 
 class ConflictEntry {

lib/src/note.dart

@@ -1,9 +1,12 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/note.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Note {
+@immutable
+class Note extends Equatable {
   /// Initializes a new instance of the [Note] class from provided
   /// pointer to note and annotatedOid objects in memory.
   ///
@@ -143,6 +146,9 @@ class Note {
   String toString() {
     return 'Note{oid: $oid, message: $message, annotatedOid: $annotatedOid}';
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start

lib/src/odb.dart

@@ -1,10 +1,13 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/odb.dart' as bindings;
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
-class Odb {
+@immutable
+class Odb extends Equatable {
   /// Initializes a new instance of [Odb] class from provided
   /// pointer to Odb object in memory.
   ///
@@ -101,6 +104,9 @@ class Odb {
     bindings.free(_odbPointer);
     _finalizer.detach(this);
   }
+
+  @override
+  List<Object?> get props => [objects];
 }
 
 // coverage:ignore-start
@@ -109,7 +115,8 @@ final _finalizer = Finalizer<Pointer<git_odb>>(
 );
 // coverage:ignore-end
 
-class OdbObject {
+@immutable
+class OdbObject extends Equatable {
   /// Initializes a new instance of the [OdbObject] class from
   /// provided pointer to odbObject object in memory.
   OdbObject._(this._odbObjectPointer) {
@@ -144,6 +151,9 @@ class OdbObject {
   String toString() {
     return 'OdbObject{oid: $oid, type: $type, size: $size}';
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start

lib/src/oid.dart

@@ -1,5 +1,6 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/odb.dart' as odb_bindings;
@@ -8,7 +9,7 @@ import 'package:libgit2dart/src/util.dart';
 import 'package:meta/meta.dart';
 
 @immutable
-class Oid {
+class Oid extends Equatable {
   /// Initializes a new instance of [Oid] class from provided
   /// pointer to Oid object in memory.
   ///
@@ -54,13 +55,6 @@ class Oid {
   /// Hexadecimal SHA string.
   String get sha => bindings.toSHA(_oidPointer);
 
-  @override
-  bool operator ==(Object other) {
-    return (other is Oid) &&
-        (bindings.compare(aPointer: _oidPointer, bPointer: other._oidPointer) ==
-            0);
-  }
-
   bool operator <(Oid other) {
     return bindings.compare(
           aPointer: _oidPointer,
@@ -93,9 +87,9 @@ class Oid {
         1;
   }
 
-  @override // coverage:ignore-line
-  int get hashCode => _oidPointer.address.hashCode; // coverage:ignore-line
-
   @override
   String toString() => 'Oid{sha: $sha}';
+
+  @override
+  List<Object?> get props => [sha];
 }

lib/src/patch.dart

@@ -1,12 +1,15 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/patch.dart' as bindings;
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
-class Patch {
+@immutable
+class Patch extends Equatable {
   /// Initializes a new instance of [Patch] class from provided
   /// pointer to patch object in memory and pointers to old and new blobs/buffers.
   ///
@@ -264,6 +267,9 @@ class Patch {
 
   @override
   String toString() => 'Patch{size: ${size()}, delta: $delta}';
+
+  @override
+  List<Object?> get props => [delta];
 }
 
 // coverage:ignore-start
@@ -296,7 +302,8 @@ class PatchStats {
   }
 }
 
-class DiffHunk {
+@immutable
+class DiffHunk extends Equatable {
   const DiffHunk._({
     required this.linesCount,
     required this.index,
@@ -338,9 +345,22 @@ class DiffHunk {
         'oldStart: $oldStart, oldLines: $oldLines, newStart: $newStart, '
         'newLines: $newLines, header: $header}';
   }
+
+  @override
+  List<Object?> get props => [
+        linesCount,
+        index,
+        oldStart,
+        oldLines,
+        newStart,
+        newLines,
+        header,
+        lines
+      ];
 }
 
-class DiffLine {
+@immutable
+class DiffLine extends Equatable {
   const DiffLine._({
     required this.origin,
     required this.oldLineNumber,
@@ -374,4 +394,14 @@ class DiffLine {
         'newLineNumber: $newLineNumber, numLines: $numLines, '
         'contentOffset: $contentOffset, content: $content}';
   }
+
+  @override
+  List<Object?> get props => [
+        origin,
+        oldLineNumber,
+        newLineNumber,
+        numLines,
+        contentOffset,
+        content,
+      ];
 }

lib/src/reference.dart

@@ -1,5 +1,6 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/object.dart' as object_bindings;
@@ -7,8 +8,10 @@ import 'package:libgit2dart/src/bindings/refdb.dart' as refdb_bindings;
 import 'package:libgit2dart/src/bindings/reference.dart' as bindings;
 import 'package:libgit2dart/src/bindings/repository.dart'
     as repository_bindings;
+import 'package:meta/meta.dart';
 
-class Reference {
+@immutable
+class Reference extends Equatable {
   /// Initializes a new instance of the [Reference] class.
   ///
   /// Note: For internal use. Instead, use one of:
@@ -79,7 +82,7 @@ class Reference {
     _finalizer.attach(this, _refPointer, detach: this);
   }
 
-  late Pointer<git_reference> _refPointer;
+  late final Pointer<git_reference> _refPointer;
 
   /// Pointer to memory address for allocated reference object.
   ///
@@ -124,6 +127,39 @@ class Reference {
     );
   }
 
+  /// Updates the [target] of reference with provided [name].
+  ///
+  /// [target] being either Oid for direct reference or string reference name
+  /// for symbolic reference.
+  ///
+  /// Throws a [LibGit2Error] if error occured or [ArgumentError] if [target]
+  /// is not [Oid] or string.
+  static void setTarget({
+    required Repository repo,
+    required String name,
+    required Object target,
+    String? logMessage,
+  }) {
+    final ref = Reference.lookup(repo: repo, name: name);
+    if (target is Oid) {
+      bindings.setTarget(
+        refPointer: ref.pointer,
+        oidPointer: target.pointer,
+        logMessage: logMessage,
+      );
+    } else if (target is String) {
+      bindings.setTargetSymbolic(
+        refPointer: ref.pointer,
+        target: target,
+        logMessage: logMessage,
+      );
+    } else {
+      throw ArgumentError.value(
+        '$target must be either Oid or String reference name',
+      );
+    }
+  }
+
   /// List of all the references names that can be found in a [repo]sitory.
   ///
   /// Throws a [LibGit2Error] if error occured.
@@ -177,35 +213,6 @@ class Reference {
     return Oid(oidPointer);
   }
 
-  /// Updates the [target] of this reference.
-  ///
-  /// [target] being either Oid for direct reference or string reference name
-  /// for symbolic reference.
-  ///
-  /// Throws a [LibGit2Error] if error occured or [ArgumentError] if [target]
-  /// is not [Oid] or string.
-  void setTarget({required Object target, String? logMessage}) {
-    if (target is Oid) {
-      final newPointer = bindings.setTarget(
-        refPointer: _refPointer,
-        oidPointer: target.pointer,
-        logMessage: logMessage,
-      );
-      _refPointer = newPointer;
-    } else if (target is String) {
-      final newPointer = bindings.setTargetSymbolic(
-        refPointer: _refPointer,
-        target: target,
-        logMessage: logMessage,
-      );
-      _refPointer = newPointer;
-    } else {
-      throw ArgumentError.value(
-        '$target must be either Oid or String reference name',
-      );
-    }
-  }
-
   /// Recursively peel reference until object of the specified [type] is found.
   ///
   /// The retrieved peeled object is owned by the repository and should be
@@ -272,17 +279,6 @@ class Reference {
   /// Whether reference is a tag.
   bool get isTag => bindings.isTag(_refPointer);
 
-  /// Compares two references.
-  bool equals(Reference other) {
-    return bindings.compare(
-      ref1Pointer: _refPointer,
-      ref2Pointer: other._refPointer,
-    );
-  }
-
-  /// Compares two references.
-  bool notEquals(Reference other) => !equals(other);
-
   /// Releases memory allocated for reference object.
   void free() {
     bindings.free(_refPointer);
@@ -295,6 +291,9 @@ class Reference {
         'isBranch: $isBranch, isNote: $isNote, isRemote: $isRemote, '
         'isTag: $isTag}';
   }
+
+  @override
+  List<Object?> get props => [target];
 }
 
 // coverage:ignore-start

lib/src/reflog.dart

@@ -1,9 +1,11 @@
 import 'dart:collection';
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/reference.dart' as reference_bindings;
 import 'package:libgit2dart/src/bindings/reflog.dart' as bindings;
+import 'package:meta/meta.dart';
 
 class RefLog with IterableMixin<RefLogEntry> {
   /// Initializes a new instance of [RefLog] class from provided [Reference].
@@ -109,7 +111,8 @@ final _finalizer = Finalizer<Pointer<git_reflog>>(
 );
 // coverage:ignore-end
 
-class RefLogEntry {
+@immutable
+class RefLogEntry extends Equatable {
   /// Initializes a new instance of [RefLogEntry] class from provided
   /// pointer to RefLogEntry object in memory.
   const RefLogEntry._(this._entryPointer);
@@ -133,6 +136,9 @@ class RefLogEntry {
 
   @override
   String toString() => 'RefLogEntry{message: $message, committer: $committer}';
+
+  @override
+  List<Object?> get props => [message, committer, newOid, oldOid];
 }
 
 class _RefLogIterator implements Iterator<RefLogEntry> {

lib/src/refspec.dart

@@ -1,9 +1,12 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/refspec.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Refspec {
+@immutable
+class Refspec extends Equatable {
   /// Initializes a new instance of the [Refspec] class
   /// from provided pointer to refspec object in memory.
   ///
@@ -72,6 +75,9 @@ class Refspec {
   @override
   String toString() {
     return 'Refspec{source: $source, destination: $destination, force: $force, '
-        'string: $string}';
+        'string: $string, direction: $direction}';
   }
+
+  @override
+  List<Object?> get props => [source, destination, force, string, direction];
 }

lib/src/remote.dart

@@ -1,9 +1,12 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/remote.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Remote {
+@immutable
+class Remote extends Equatable {
   /// Lookups remote with provided [name] in a [repo]sitory.
   ///
   /// The [name] will be checked for validity.
@@ -310,6 +313,9 @@ class Remote {
     return 'Remote{name: $name, url: $url, pushUrl: $pushUrl, '
         'refspecCount: $refspecCount}';
   }
+
+  @override
+  List<Object?> get props => [name];
 }
 
 // coverage:ignore-start
@@ -378,7 +384,8 @@ class RemoteCallback {
   final String? fetch;
 }
 
-class RemoteReference {
+@immutable
+class RemoteReference extends Equatable {
   const RemoteReference._({
     required this.isLocal,
     required this.localId,
@@ -408,4 +415,7 @@ class RemoteReference {
     return 'RemoteReference{isLocal: $isLocal, localId: $localId, '
         'name: $name, oid: $oid, symRef: $symRef}';
   }
+
+  @override
+  List<Object?> get props => [isLocal, localId, name, oid, symRef];
 }

lib/src/signature.dart

@@ -1,4 +1,5 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:ffi/ffi.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
@@ -7,7 +8,7 @@ import 'package:libgit2dart/src/util.dart';
 import 'package:meta/meta.dart';
 
 @immutable
-class Signature {
+class Signature extends Equatable {
   /// Initializes a new instance of [Signature] class from provided pointer to
   /// signature object in memory.
   ///
@@ -74,16 +75,8 @@ class Signature {
   /// Timezone offset in minutes.
   int get offset => _signaturePointer.ref.when.offset;
 
-  @override
-  bool operator ==(Object other) {
-    return (other is Signature) &&
-        (name == other.name) &&
-        (email == other.email) &&
-        (time == other.time) &&
-        (offset == other.offset) &&
-        (_signaturePointer.ref.when.sign ==
-            other._signaturePointer.ref.when.sign);
-  }
+  /// Indicator for questionable '-0000' offsets in signature.
+  String get sign => String.fromCharCode(_signaturePointer.ref.when.sign);
 
   /// Releases memory allocated for signature object.
   void free() {
@@ -91,15 +84,14 @@ class Signature {
     _finalizer.detach(this);
   }
 
-  @override // coverage:ignore-line
-  int get hashCode =>
-      _signaturePointer.address.hashCode; // coverage:ignore-line
-
   @override
   String toString() {
     return 'Signature{name: $name, email: $email, time: $time, '
-        'offset: $offset}';
+        'offset: $sign$offset}';
   }
+
+  @override
+  List<Object?> get props => [name, email, time, offset, sign];
 }
 
 // coverage:ignore-start

lib/src/stash.dart

@@ -1,7 +1,10 @@
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/stash.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Stash {
+@immutable
+class Stash extends Equatable {
   /// Initializes a new instance of [Stash] class from provided stash [index],
   /// [message] and [oid].
   const Stash({
@@ -146,4 +149,7 @@ class Stash {
   String toString() {
     return 'Stash{index: $index, message: $message, oid: $oid}';
   }
+
+  @override
+  List<Object?> get props => [index, message, oid];
 }

lib/src/submodule.dart

@@ -1,9 +1,12 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/submodule.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Submodule {
+@immutable
+class Submodule extends Equatable {
   /// Lookups submodule information by [name] or path (they are usually the
   /// same).
   ///
@@ -267,10 +270,23 @@ class Submodule {
 
   @override
   String toString() {
-    return 'Submodule{name: $name, path: $path, url: $url, status: $status, '
-        'branch: $branch, headOid: $headOid, indexOid: $indexOid, '
-        'workdirOid: $workdirOid, ignore: $ignore, updateRule: $updateRule}';
+    return 'Submodule{name: $name, path: $path, url: $url, branch: $branch, '
+        'headOid: $headOid, indexOid: $indexOid, workdirOid: $workdirOid, '
+        'ignore: $ignore, updateRule: $updateRule}';
   }
+
+  @override
+  List<Object?> get props => [
+        name,
+        path,
+        url,
+        branch,
+        headOid,
+        indexOid,
+        workdirOid,
+        ignore,
+        updateRule,
+      ];
 }
 
 // coverage:ignore-start

lib/src/tag.dart

@@ -1,11 +1,14 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/object.dart' as object_bindings;
 import 'package:libgit2dart/src/bindings/tag.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Tag {
+@immutable
+class Tag extends Equatable {
   /// Initializes a new instance of [Tag] class from provided pointer to
   /// tag object in memory.
   ///
@@ -223,6 +226,9 @@ class Tag {
     return 'Tag{oid: $oid, name: $name, message: $message, target: $target, '
         'tagger: $tagger}';
   }
+
+  @override
+  List<Object?> get props => [name];
 }
 
 // coverage:ignore-start

lib/src/tree.dart

@@ -1,10 +1,13 @@
 import 'dart:ffi';
 
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/tree.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Tree {
+@immutable
+class Tree extends Equatable {
   /// Initializes a new instance of [Tree] class from provided pointer to
   /// tree object in memory.
   ///
@@ -102,6 +105,9 @@ class Tree {
   String toString() {
     return 'Tree{oid: $oid, length: $length}';
   }
+
+  @override
+  List<Object?> get props => [oid];
 }
 
 // coverage:ignore-start
@@ -110,12 +116,13 @@ final _finalizer = Finalizer<Pointer<git_tree>>(
 );
 // coverage:ignore-end
 
-class TreeEntry {
+@immutable
+class TreeEntry extends Equatable {
   /// Initializes a new instance of [TreeEntry] class from provided pointer to
   /// tree entry object in memory.
   ///
   /// Note: For internal use.
-  TreeEntry(this._treeEntryPointer);
+  const TreeEntry(this._treeEntryPointer);
 
   /// Initializes a new instance of [TreeEntry] class from provided pointer to
   /// tree entry object in memory.
@@ -150,6 +157,9 @@ class TreeEntry {
 
   @override
   String toString() => 'TreeEntry{oid: $oid, name: $name, filemode: $filemode}';
+
+  @override
+  List<Object?> get props => [oid, name, filemode];
 }
 
 // coverage:ignore-start

lib/src/worktree.dart

@@ -1,9 +1,12 @@
 import 'dart:ffi';
+import 'package:equatable/equatable.dart';
 import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/worktree.dart' as bindings;
+import 'package:meta/meta.dart';
 
-class Worktree {
+@immutable
+class Worktree extends Equatable {
   /// Creates new worktree.
   ///
   /// If [ref] is provided, no new branch will be created but specified [ref]
@@ -93,8 +96,12 @@ class Worktree {
 
   @override
   String toString() {
-    return 'Worktree{name: $name, path: $path}';
+    return 'Worktree{name: $name, path: $path, isLocked: $isLocked, '
+        'isPrunable: $isPrunable, isValid: $isValid}';
   }
+
+  @override
+  List<Object?> get props => [name, path, isLocked, isValid];
 }
 
 // coverage:ignore-start

pubspec.yaml

@@ -13,6 +13,7 @@ environment:
 dependencies:
   args: ^2.3.0
   cli_util: ^0.3.5
+  equatable: ^2.0.3
   ffi: ^1.1.2
   meta: ^1.7.0
   path: ^1.8.1

test/annotated_test.dart

@@ -107,5 +107,12 @@ void main() {
       final annotated = AnnotatedCommit.lookup(repo: repo, oid: tip);
       expect(() => annotated.free(), returnsNormally);
     });
+
+    test('supports value comparison', () {
+      expect(
+        AnnotatedCommit.lookup(repo: repo, oid: tip),
+        equals(AnnotatedCommit.lookup(repo: repo, oid: tip)),
+      );
+    });
   });
 }

test/blame_test.dart

@@ -211,5 +211,12 @@ void main() {
       final blame = Blame.file(repo: repo, path: 'feature_file');
       expect(blame.toString(), contains('BlameHunk{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Blame.file(repo: repo, path: 'feature_file'),
+        equals(Blame.file(repo: repo, path: 'feature_file')),
+      );
+    });
   });
 }

test/blob_test.dart

@@ -153,5 +153,12 @@ void main() {
       final blob = Blob.lookup(repo: repo, oid: repo[blobSHA]);
       expect(blob.toString(), contains('Blob{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Blob.lookup(repo: repo, oid: repo[blobSHA]),
+        equals(Blob.lookup(repo: repo, oid: repo[blobSHA])),
+      );
+    });
   });
 }

test/branch_test.dart

@@ -327,5 +327,12 @@ void main() {
       final branch = Branch.lookup(repo: repo, name: 'master');
       expect(branch.toString(), contains('Branch{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Branch.lookup(repo: repo, name: 'master'),
+        equals(Branch.lookup(repo: repo, name: 'master')),
+      );
+    });
   });
 }

test/commit_test.dart

@@ -396,5 +396,12 @@ Some description.
       final commit = Commit.lookup(repo: repo, oid: tip);
       expect(commit.toString(), contains('Commit{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Commit.lookup(repo: repo, oid: tip),
+        equals(Commit.lookup(repo: repo, oid: tip)),
+      );
+    });
   });
 }

test/config_test.dart

@@ -217,5 +217,9 @@ void main() {
       final entry = config.first;
       expect(entry.toString(), contains('ConfigEntry{'));
     });
+
+    test('supports value comparison', () {
+      expect(Config.open(filePath), equals(Config.open(filePath)));
+    });
   });
 }

test/diff_test.dart

@@ -580,5 +580,15 @@ index e69de29..c217c63 100644
       expect(patch.delta.oldFile.toString(), contains('DiffFile{'));
       expect(stats.toString(), contains('DiffStats{'));
     });
+
+    test('supports value comparison', () {
+      expect(Diff.parse(patchText), equals(Diff.parse(patchText)));
+
+      final diff = Diff.parse(patchText);
+      expect(diff.deltas[0], equals(diff.deltas[0]));
+
+      final delta = diff.deltas[0];
+      expect(delta.oldFile, equals(delta.oldFile));
+    });
   });
 }

test/index_test.dart

@@ -509,5 +509,9 @@ void main() {
       expect(index.toString(), contains('Index{'));
       expect(index['file'].toString(), contains('IndexEntry{'));
     });
+
+    test('supports value comparison', () {
+      expect(repo.index, equals(repo.index));
+    });
   });
 }

test/note_test.dart

@@ -134,5 +134,13 @@ void main() {
       final note = Note.lookup(repo: repo, annotatedOid: repo['821ed6e']);
       expect(note.toString(), contains('Note{'));
     });
+
+    test('supports value comparison', () {
+      final oid = repo.head.target;
+      expect(
+        Note.lookup(repo: repo, annotatedOid: oid),
+        equals(Note.lookup(repo: repo, annotatedOid: oid)),
+      );
+    });
   });
 }

test/odb_test.dart

@@ -50,6 +50,7 @@ void main() {
       expect(object.type, GitObject.blob);
       expect(object.data, blobContent);
       expect(object.size, 13);
+      expect(object, equals(repo.odb.read(repo[blobSha])));
     });
 
     test('throws when trying to read object and error occurs', () {
@@ -115,5 +116,9 @@ void main() {
       final object = repo.odb.read(repo[blobSha]);
       expect(object.toString(), contains('OdbObject{'));
     });
+
+    test('supports value comparison', () {
+      expect(repo.odb, equals(repo.odb));
+    });
   });
 }

test/patch_test.dart

@@ -230,5 +230,25 @@ index e69de29..0000000
       expect(patch.hunks[0].toString(), contains('DiffHunk{'));
       expect(patch.hunks[0].lines[0].toString(), contains('DiffLine{'));
     });
+
+    test('supports value comparison', () {
+      final patch = Patch.fromBuffers(
+        oldBuffer: oldBuffer,
+        newBuffer: newBuffer,
+        oldBufferPath: path,
+        newBufferPath: path,
+      );
+      final anotherPatch = Patch.fromBuffers(
+        oldBuffer: oldBuffer,
+        newBuffer: newBuffer,
+        oldBufferPath: path,
+        newBufferPath: path,
+      );
+      expect(patch, equals(anotherPatch));
+      expect(patch.hunks[0], equals(patch.hunks[0]));
+
+      final hunk = patch.hunks[0];
+      expect(hunk.lines[0], equals(hunk.lines[0]));
+    });
   });
 }

test/reference_test.dart

@@ -155,7 +155,7 @@ void main() {
       final duplicate = ref.duplicate();
 
       expect(repo.references.length, 6);
-      expect(duplicate.equals(ref), true);
+      expect(duplicate, equals(ref));
     });
 
     group('create direct', () {
@@ -354,25 +354,35 @@ void main() {
 
     group('set target', () {
       test('sets direct reference with provided oid target', () {
+        Reference.setTarget(
+          repo: repo,
+          name: 'refs/heads/master',
+          target: repo[newCommit],
+        );
         final ref = Reference.lookup(repo: repo, name: 'refs/heads/master');
-        ref.setTarget(target: repo[newCommit]);
         expect(ref.target.sha, newCommit);
       });
 
       test('sets symbolic target with provided reference name', () {
+        Reference.setTarget(
+          repo: repo,
+          name: 'HEAD',
+          target: 'refs/heads/feature',
+        );
         final ref = Reference.lookup(repo: repo, name: 'HEAD');
-        expect(ref.target.sha, lastCommit);
-
-        ref.setTarget(target: 'refs/heads/feature');
         expect(ref.target.sha, '5aecfa0fb97eadaac050ccb99f03c3fb65460ad4');
       });
 
       test('sets target with log message', () {
-        final ref = Reference.lookup(repo: repo, name: 'HEAD');
-        expect(ref.target.sha, lastCommit);
-
         repo.setIdentity(name: 'name', email: 'email');
-        ref.setTarget(target: 'refs/heads/feature', logMessage: 'log message');
+        Reference.setTarget(
+          repo: repo,
+          name: 'HEAD',
+          target: 'refs/heads/feature',
+          logMessage: 'log message',
+        );
+
+        final ref = Reference.lookup(repo: repo, name: 'HEAD');
         expect(ref.target.sha, '5aecfa0fb97eadaac050ccb99f03c3fb65460ad4');
         final logEntry = ref.log.first;
         expect(logEntry.message, 'log message');
@@ -381,18 +391,28 @@ void main() {
       });
 
       test('throws on invalid target', () {
-        final ref = Reference.lookup(repo: repo, name: 'HEAD');
         expect(
-          () => ref.setTarget(target: 'refs/heads/invalid~'),
+          () => Reference.setTarget(
+            repo: repo,
+            name: 'HEAD',
+            target: 'refs/heads/invalid~',
+          ),
           throwsA(isA<LibGit2Error>()),
         );
 
         expect(
-          () => ref.setTarget(target: Oid(nullptr)),
+          () => Reference.setTarget(
+            repo: repo,
+            name: 'HEAD',
+            target: Oid(nullptr),
+          ),
           throwsA(isA<LibGit2Error>()),
         );
 
-        expect(() => ref.setTarget(target: 0), throwsA(isA<ArgumentError>()));
+        expect(
+          () => Reference.setTarget(repo: repo, name: 'HEAD', target: 0),
+          throwsA(isA<ArgumentError>()),
+        );
       });
     });
 
@@ -458,17 +478,6 @@ void main() {
       });
     });
 
-    test('checks equality', () {
-      final ref1 = Reference.lookup(repo: repo, name: 'refs/heads/master');
-      final ref2 = Reference.lookup(repo: repo, name: 'refs/heads/master');
-      final ref3 = Reference.lookup(repo: repo, name: 'refs/heads/feature');
-
-      expect(ref1.equals(ref2), true);
-      expect(ref1.notEquals(ref2), false);
-      expect(ref1.equals(ref3), false);
-      expect(ref1.notEquals(ref3), true);
-    });
-
     test('peels to non-tag object when no type is provided', () {
       final ref = Reference.lookup(repo: repo, name: 'refs/heads/master');
       final commit = Commit.lookup(repo: repo, oid: ref.target);
@@ -530,5 +539,12 @@ void main() {
       final ref = Reference.lookup(repo: repo, name: 'refs/heads/master');
       expect(ref.toString(), contains('Reference{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Reference.lookup(repo: repo, name: 'HEAD'),
+        equals(Reference.lookup(repo: repo, name: 'refs/heads/master')),
+      );
+    });
   });
 }

test/reflog_test.dart

@@ -153,5 +153,10 @@ void main() {
     test('returns string representation of RefLogEntry object', () {
       expect(reflog[0].toString(), contains('RefLogEntry{'));
     });
+
+    test('supports value comparison', () {
+      final ref = Reference.lookup(repo: repo, name: 'refs/heads/master');
+      expect(RefLog(repo.head), equals(RefLog(ref)));
+    });
   });
 }

test/remote_test.dart

@@ -33,6 +33,7 @@ void main() {
       expect(remote.url, remoteUrl);
       expect(remote.pushUrl, '');
       expect(remote.toString(), contains('Remote{'));
+      expect(remote, equals(Remote.lookup(repo: repo, name: 'origin')));
     });
 
     test('throws when provided name for lookup is not found', () {
@@ -42,6 +43,13 @@ void main() {
       );
     });
 
+    test('throws when trying to create remote and name already exists', () {
+      expect(
+        () => Remote.create(repo: repo, name: 'origin', url: remoteUrl),
+        throwsA(isA<LibGit2Error>()),
+      );
+    });
+
     test('creates without fetchspec', () {
       final remote = Remote.create(
         repo: repo,
@@ -188,6 +196,8 @@ void main() {
         refspec.rTransform('refs/remotes/origin/master'),
         'refs/heads/master',
       );
+
+      expect(refspec, equals(remote.getRefspec(0)));
     });
 
     test('throws when trying to transform refspec with invalid reference name',
@@ -270,6 +280,7 @@ void main() {
       expect(refs.first.symRef, 'refs/heads/master');
       expect((refs.first.oid).sha, '49322bb17d3acc9146f98c97d078513228bbf3c0');
       expect(refs.first.toString(), contains('RemoteReference{'));
+      expect(refs.first, remote.ls().first);
     });
 
     test(

test/revparse_test.dart

@@ -59,7 +59,7 @@ void main() {
       var headParse = RevParse.ext(repo: repo, spec: 'master');
 
       expect(headParse.object.oid.sha, headSHA);
-      expect(headParse.reference?.equals(masterRef), true);
+      expect(headParse.reference, equals(masterRef));
       expect(headParse.toString(), contains('RevParse{'));
 
       final featureRef = Reference.lookup(
@@ -72,7 +72,7 @@ void main() {
         headParse.object.oid.sha,
         '5aecfa0fb97eadaac050ccb99f03c3fb65460ad4',
       );
-      expect(headParse.reference?.equals(featureRef), true);
+      expect(headParse.reference, equals(featureRef));
     });
 
     test('.ext() returns only commit when no intermidiate reference found', () {

test/signature_test.dart

@@ -47,6 +47,7 @@ void main() {
         lessThan(5),
       );
       expect(sig.offset, isA<int>());
+      expect(sig.sign, isNotEmpty);
     });
 
     test('returns correct values', () {
@@ -77,5 +78,12 @@ void main() {
     test('returns string representation of Signature object', () {
       expect(signature.toString(), contains('Signature{'));
     });
+
+    test('supports value comparison', () {
+      expect(
+        Signature.create(name: name, email: email, time: time),
+        equals(Signature.create(name: name, email: email, time: time)),
+      );
+    });
   });
 }

test/stash_test.dart

@@ -211,5 +211,12 @@ void main() {
 
       expect(repo.stashes[0].toString(), contains('Stash{'));
     });
+
+    test('supports value comparison', () {
+      File(filePath).writeAsStringSync('edit', mode: FileMode.append);
+      Stash.create(repo: repo, stasher: stasher, message: 'WIP');
+
+      expect(repo.stashes.first, equals(repo.stashes.first));
+    });
   });
 }

test/submodule_test.dart

@@ -243,5 +243,12 @@ void main() {
       final submodule = Submodule.lookup(repo: repo, name: testSubmodule);
       expect(() => submodule.free(), returnsNormally);
     });
+
+    test('supports value comparison', () {
+      expect(
+        Submodule.lookup(repo: repo, name: testSubmodule),
+        equals(Submodule.lookup(repo: repo, name: testSubmodule)),
+      );
+    });
   });
 }

test/tag_test.dart

@@ -384,5 +384,12 @@ void main() {
       tag = Tag.lookup(repo: repo, oid: tagOid);
       expect(() => tag.free(), returnsNormally);
     });
+
+    test('supports value comparison', () {
+      expect(
+        Tag.lookup(repo: repo, oid: tagOid),
+        equals(Tag.lookup(repo: repo, oid: tagOid)),
+      );
+    });
   });
 }

test/tree_test.dart

@@ -101,5 +101,14 @@ void main() {
         'looked up by path', () {
       expect(() => tree['dir/dir_file.txt'].free(), returnsNormally);
     });
+
+    test('supports value comparison', () {
+      expect(
+        Tree.lookup(repo: repo, oid: repo['a8ae3dd']),
+        equals(Tree.lookup(repo: repo, oid: repo['a8ae3dd'])),
+      );
+
+      expect(tree[0], equals(tree[0]));
+    });
   });
 }

test/worktree_test.dart

@@ -166,5 +166,14 @@ void main() {
       );
       expect(() => worktree.free(), returnsNormally);
     });
+
+    test('supports value comparison', () {
+      final worktree = Worktree.create(
+        repo: repo,
+        name: worktreeName,
+        path: worktreeDir.path,
+      );
+      expect(worktree, equals(Worktree.lookup(repo: repo, name: worktreeName)));
+    });
   });
 }