#import "VWKShellHandler.h"

#import <AppKit/AppKit.h>

#import "VWKRunOperation.h"

static NSOperationQueue *operationQueue;

@implementation VWKShellHandler

+ (void)runShellCommand:(NSString *)command withArgs:(NSArray *)args directory:(NSString *)directory completion:(void (^)(NSTask *t, NSString *standardOutputString, NSString *standardErrorString))completion

{

if (operationQueue == nil) {

operationQueue = [NSOperationQueue new];

}

NSTask *task = [NSTask new];

NSMutableDictionary * environment = [[[NSProcessInfo processInfo] environment] mutableCopy];

environment[@"LC_ALL"]=@"en_US.UTF-8";

[task setEnvironment:environment];

task.currentDirectoryPath = directory;

task.launchPath = command;

task.arguments = args;

NSMutableString *standardOutputString = [NSMutableString string];

NSMutableString *standardErrorString = [NSMutableString string];

VWKRunOperation *operation = [[VWKRunOperation alloc] initWithTask:task standardOutputString:standardOutputString standardErrorString:standardErrorString];

operation.completionBlock = ^{

if (completion) {

completion(task, standardOutputString, standardErrorString);

}

};

[operationQueue addOperation:operation];

}