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//
// PBGitConfig.m
// GitX
//
// Created by Pieter de Bie on 14-10-08.
// Copyright 2008 Pieter de Bie. All rights reserved.
//

#import "PBGitConfig.h"


@implementation PBGitConfig

- init
{
repositoryPath = nil;
return self;
}

- initWithRepository:(NSString *)path
{
repositoryPath = path;
return self;
}

- (void) writeValue:(NSString *)value forKey:(NSString *)key global:(BOOL)global
{
[self willChangeValueForKey:[key substringToIndex:[key rangeOfString:@"."].location]];

NSMutableArray *array = [NSMutableArray arrayWithObject:@"config"];
if (global)
[array addObject:@"--global"];
else {
[array addObject:@"-f"];
[array addObject:[repositoryPath stringByAppendingPathComponent:@"config"]];
}

[array addObject:key];
[array addObject:value];

int ret;
[PBEasyPipe outputForCommand:[PBGitBinary path] withArgs:array inDir:nil retValue:&ret];
if (ret)
NSLog(@"Writing to config file failed!");
[self didChangeValueForKey:[key substringToIndex:[key rangeOfString:@"."].location]];
}

- valueForKeyPath:(NSString *)path
{
NSMutableArray *arguments = [NSMutableArray array];
if (repositoryPath)
[arguments addObject:[NSString stringWithFormat:@"--git-dir=%@", repositoryPath]];

[arguments addObject:@"config"];
[arguments addObject:@"--get"];
[arguments addObject:path];

int ret;
NSString *value = [PBEasyPipe outputForCommand:[PBGitBinary path] withArgs:arguments inDir:nil retValue:&ret];

if (ret)
return nil;

return value;
}

- (void) setValue:(id)value forKeyPath:(NSString *)path
{
// Check if the config option is local. In that case,
// write it local
if (repositoryPath) {
NSMutableArray *arguments = [NSMutableArray arrayWithObjects:@"config", @"-f", [repositoryPath stringByAppendingPathComponent:@"config"], @"--get", path, nil];
int ret;
[PBEasyPipe outputForCommand:[PBGitBinary path] withArgs:arguments inDir:nil retValue:&ret];

if (!ret) // it's local
return [self writeValue:value forKey:path global:NO];
}

// Check if it exists globally. In that case, write it as a global

NSArray *arguments = [NSArray arrayWithObjects:@"config", @"--global", @"--get", path, nil];
int ret;
[PBEasyPipe outputForCommand:[PBGitBinary path] withArgs:arguments inDir:nil retValue:&ret];
if (!ret) // It exists globally
return [self writeValue:value forKey:path global:YES];

// It doesn't exist at all. Write it locally.
[self writeValue:value forKey:path global:NO];
}
@end
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