style: stricter linting

analysis_options.yaml

@@ -14,9 +14,12 @@ linter:
   rules:
     - always_use_package_imports
     - avoid_bool_literals_in_conditional_expressions
+    - avoid_double_and_int_checks
     - avoid_dynamic_calls
+    - avoid_equals_and_hash_code_on_mutable_classes
     - avoid_escaping_inner_quotes
     - avoid_field_initializers_in_const_classes
+    - avoid_js_rounded_ints
     - avoid_positional_boolean_parameters
     - avoid_print
     - avoid_redundant_argument_values
@@ -28,27 +31,41 @@ linter:
     - avoid_unused_constructor_parameters
     - avoid_void_async
     - cast_nullable_to_non_nullable
+    - deprecated_consistency
     - directives_ordering
     - eol_at_end_of_file
     - join_return_with_assignment
     - library_private_types_in_public_api
     - lines_longer_than_80_chars
+    - literal_only_boolean_expressions
     - missing_whitespace_between_adjacent_strings
+    - no_default_cases
     - noop_primitive_operations
+    - null_check_on_nullable_type_parameter
     - omit_local_variable_types
+    - one_member_abstracts
     - parameter_assignments
+    - prefer_asserts_in_initializer_lists
+    - prefer_asserts_with_message
     - prefer_const_constructors
     - prefer_constructors_over_static_methods
     - prefer_final_in_for_each
     - prefer_final_locals
     - prefer_if_elements_to_conditional_expressions
+    - prefer_int_literals
     - prefer_null_aware_method_calls
     - require_trailing_commas
     - sort_constructors_first
     - sort_pub_dependencies
     - sort_unnamed_constructors_first
+    - tighten_type_of_initializing_formals
     - type_annotate_public_apis
     - unawaited_futures
+    - unnecessary_await_in_return
+    - unnecessary_parenthesis
+    - unnecessary_raw_strings
+    - use_is_even_rather_than_modulo
+    - use_late_for_private_fields_and_variables
     - use_named_constants
     - use_raw_strings
     - use_setters_to_change_properties

lib/src/bindings/reference.dart

@@ -249,7 +249,7 @@ Pointer<git_reference> createDirect({
 
   if (error < 0) {
     calloc.free(out);
-    throw (LibGit2Error(libgit2.git_error_last()));
+    throw LibGit2Error(libgit2.git_error_last());
   } else {
     return out.value;
   }
@@ -309,7 +309,7 @@ Pointer<git_reference> createSymbolic({
 
   if (error < 0) {
     calloc.free(out);
-    throw (LibGit2Error(libgit2.git_error_last()));
+    throw LibGit2Error(libgit2.git_error_last());
   } else {
     return out.value;
   }

lib/src/config.dart

@@ -211,12 +211,12 @@ class _ConfigIterator implements Iterator<ConfigEntry> {
   /// Pointer to memory address for allocated config iterator.
   final Pointer<git_config_iterator> _iteratorPointer;
 
-  ConfigEntry? _currentEntry;
+  late ConfigEntry _currentEntry;
   int error = 0;
   final entry = calloc<Pointer<git_config_entry>>();
 
   @override
-  ConfigEntry get current => _currentEntry!;
+  ConfigEntry get current => _currentEntry;
 
   @override
   bool moveNext() {

lib/src/index.dart

@@ -394,12 +394,12 @@ class _IndexIterator implements Iterator<IndexEntry> {
   }
 
   final Pointer<git_index> _indexPointer;
-  IndexEntry? _currentEntry;
+  late IndexEntry _currentEntry;
   int _index = 0;
   late final int count;
 
   @override
-  IndexEntry get current => _currentEntry!;
+  IndexEntry get current => _currentEntry;
 
   @override
   bool moveNext() {

lib/src/oid.dart

@@ -5,7 +5,9 @@ import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/odb.dart' as odb_bindings;
 import 'package:libgit2dart/src/bindings/oid.dart' as bindings;
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
+@immutable
 class Oid {
   /// Initializes a new instance of [Oid] class from provided
   /// pointer to Oid object in memory.

lib/src/reference.dart

@@ -280,21 +280,20 @@ class Reference {
   /// Repository where a reference resides.
   Repository get owner => Repository(bindings.owner(_refPointer));
 
-  @override
-  bool operator ==(Object other) {
-    return (other is Reference) &&
-        bindings.compare(
+  /// 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);
 
-  @override // coverage:ignore-line
-  int get hashCode => _refPointer.address.hashCode; // coverage:ignore-line
-
   @override
   String toString() {
     return 'Reference{name: $name, target: $target, type: $type, '

lib/src/reflog.dart

@@ -129,12 +129,12 @@ class _RefLogIterator implements Iterator<RefLogEntry> {
   /// Pointer to memory address for allocated reflog object.
   final Pointer<git_reflog> _reflogPointer;
 
-  RefLogEntry? _currentEntry;
+  late RefLogEntry _currentEntry;
   int _index = 0;
   late final int _count;
 
   @override
-  RefLogEntry get current => _currentEntry!;
+  RefLogEntry get current => _currentEntry;
 
   @override
   bool moveNext() {

lib/src/signature.dart

@@ -4,7 +4,9 @@ import 'package:libgit2dart/libgit2dart.dart';
 import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
 import 'package:libgit2dart/src/bindings/signature.dart' as bindings;
 import 'package:libgit2dart/src/util.dart';
+import 'package:meta/meta.dart';
 
+@immutable
 class Signature {
   /// Initializes a new instance of [Signature] class from provided pointer to
   /// signature object in memory.

lib/src/util.dart

@@ -18,7 +18,7 @@ String getLibName() {
     ext = 'dll';
   } else if (Platform.isMacOS) {
     ext = 'dylib';
-  } else if (!(Platform.isLinux)) {
+  } else if (!Platform.isLinux) {
     throw Exception('Unsupported platform.');
   }
 

test/odb_test.dart

@@ -32,7 +32,7 @@ void main() {
     });
 
     test('throws when trying to get odb and error occurs', () {
-      expect(() => Repository((nullptr)).odb, throwsA(isA<LibGit2Error>()));
+      expect(() => Repository(nullptr).odb, throwsA(isA<LibGit2Error>()));
     });
 
     test('creates new odb with no backends', () {

test/reference_test.dart

@@ -166,7 +166,7 @@ void main() {
       final duplicate = ref.duplicate();
 
       expect(repo.references.length, 6);
-      expect(duplicate, equals(ref));
+      expect(duplicate.equals(ref), true);
 
       duplicate.free();
       ref.free();
@@ -519,10 +519,10 @@ void main() {
       final ref2 = Reference.lookup(repo: repo, name: 'refs/heads/master');
       final ref3 = Reference.lookup(repo: repo, name: 'refs/heads/feature');
 
-      expect(ref1 == ref2, true);
-      expect(ref1 != ref2, false);
-      expect(ref1 == ref3, false);
-      expect(ref1 != ref3, true);
+      expect(ref1.equals(ref2), true);
+      expect(ref1.notEquals(ref2), false);
+      expect(ref1.equals(ref3), false);
+      expect(ref1.notEquals(ref3), true);
 
       ref1.free();
       ref2.free();

test/revparse_test.dart

@@ -65,7 +65,7 @@ void main() {
       var headParse = RevParse.ext(repo: repo, spec: 'master');
 
       expect(headParse.object.oid.sha, headSHA);
-      expect(headParse.reference, masterRef);
+      expect(headParse.reference?.equals(masterRef), true);
       expect(headParse.toString(), contains('RevParse{'));
 
       masterRef.free();
@@ -82,7 +82,7 @@ void main() {
         headParse.object.oid.sha,
         '5aecfa0fb97eadaac050ccb99f03c3fb65460ad4',
       );
-      expect(headParse.reference, featureRef);
+      expect(headParse.reference?.equals(featureRef), true);
 
       featureRef.free();
       headParse.object.free();