cog/Frameworks/Sparkle/Sparkle/SUPackageInstaller.m

42 lines
1.7 KiB
Objective-C

//
// SUPackageInstaller.m
// Sparkle
//
// Created by Andy Matuschak on 4/10/08.
// Copyright 2008 Andy Matuschak. All rights reserved.
//
#import "SUPackageInstaller.h"
#import <Cocoa/Cocoa.h>
#import "SUConstants.h"
@implementation SUPackageInstaller
+ (void)performInstallationToPath:(NSString *)installationPath fromPath:(NSString *)path host:(SUHost *)host delegate:(id<SUInstallerDelegate>)delegate versionComparator:(id<SUVersionComparison>)__unused comparator
{
// Run installer using the "open" command to ensure it is launched in front of current application.
// -W = wait until the app has quit.
// -n = Open another instance if already open.
// -b = app bundle identifier
NSString *command = @"/usr/bin/open";
NSArray *args = @[@"-W", @"-n", @"-b", @"com.apple.installer", path];
if (![[NSFileManager defaultManager] fileExistsAtPath:command]) {
NSError *error = [NSError errorWithDomain:SUSparkleErrorDomain code:SUMissingInstallerToolError userInfo:@{ NSLocalizedDescriptionKey: @"Couldn't find Apple's installer tool!" }];
[self finishInstallationToPath:installationPath withResult:NO host:host error:error delegate:delegate];
return;
}
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSTask *installer = [NSTask launchedTaskWithLaunchPath:command arguments:args];
[installer waitUntilExit];
// Known bug: if the installation fails or is canceled, Sparkle goes ahead and restarts, thinking everything is fine.
dispatch_async(dispatch_get_main_queue(), ^{
[self finishInstallationToPath:installationPath withResult:YES host:host error:nil delegate:delegate];
});
});
}
@end