Make error a local variable.

Author: tiennou

ObjectiveGitTests/GTBlobSpec.m

@@ -13,11 +13,6 @@
 __block GTRepository *repository;
 __block NSString *blobSHA;
 __block GTBlob *blob;
-__block NSError *error;
-
-beforeEach(^{
-	error = nil;
-});
 
 describe(@"blob properties can be accessed", ^{
 	beforeEach(^{
@@ -51,6 +46,7 @@
 
 	describe(@"+blobWithString:inRepository:error", ^{
 		it(@"works with valid parameters", ^{
+			NSError *error = nil;
 			blob = [GTBlob blobWithString:@"a new blob content" inRepository:repository error:&error];
 			expect(error).to.beNil();
 			expect(blob).notTo.beNil();
@@ -63,6 +59,7 @@
 			char bytes[] = "100644 example_helper.rb\00\xD3\xD5\xED\x9D A4_\x00 40000 examples";
 			NSData *content = [NSData dataWithBytes:bytes length:sizeof(bytes)];
 
+			NSError *error = nil;
 			blob = [GTBlob blobWithData:content inRepository:repository error:&error];
 			expect(error).to.beNil();
 			expect(blob).notTo.beNil();
@@ -76,6 +73,7 @@
 			NSString *fileName = @"myfile.txt";
 			NSURL *fileURL = [repository.fileURL URLByAppendingPathComponent:fileName];
 
+			NSError *error = nil;
 			BOOL success = [fileContent writeToURL:fileURL atomically:YES encoding:NSUTF8StringEncoding error:&error];
 			expect(success).to.beTruthy();
 			expect(error).to.beNil();

ObjectiveGitTests/GTCommitSpec.m

@@ -11,14 +11,13 @@
 SpecBegin(GTCommit)
 
 __block GTRepository *repository;
-__block NSError *error;
 
 beforeEach(^{
 	repository = self.bareFixtureRepository;
-	error = nil;
 });
 
 it(@"can read commit data", ^{
+	NSError *error = nil;
 	NSString *commitSHA = @"8496071c1b46c854b31185ea97743be6a8774479";
 	GTCommit *commit = [repository lookupObjectBySHA:commitSHA error:&error];
 
@@ -54,6 +53,7 @@
 });
 
 it(@"canHaveMultipleParents", ^{
+	NSError *error = nil;
 	NSString *commitSHA = @"a4a7dce85cf63874e984719f4fdd239f5145052f";
 	GTCommit *commit = [repository lookupObjectBySHA:commitSHA error:&error];
 	expect(commit).notTo.beNil();