source: trunk/Sparkle/SUPackageInstaller.m @ 1046

//
//  SUPackageInstaller.m
//  Sparkle
//
//  Created by Andy Matuschak on 4/10/08.
//  Copyright 2008 Andy Matuschak. All rights reserved.
//

#import "SUPackageInstaller.h"


@implementation SUPackageInstaller

+ (void)performInstallationWithPath:(NSString *)path host:(SUHost *)host delegate:delegate synchronously:(BOOL)synchronously versionComparator:(id <SUVersionComparison>)comparator;
{
    NSError *error = nil;
    BOOL result = YES;
    
    NSString* openCommand = @"/usr/bin/open";
    if ([[NSFileManager defaultManager] fileExistsAtPath:openCommand])
    {
        // Using "open" insures that the installer application is brought to the front.
        // The -W and -n options were added to the 'open' command in 10.5
        // -W = wait until the app has quit.  -n = Open another instance if already open.
        // -b = app bundle identifier
        NSArray *args;
        if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_4)
            args = [NSArray arrayWithObjects:@"-W", @"-n", @"-b", @"com.apple.installer", path, nil]; // 10.5 and later
        else
            args = [NSArray arrayWithObjects:@"-b", @"com.apple.installer", path, nil]; // 10.4
        NSTask *openTask = [NSTask launchedTaskWithLaunchPath:openCommand arguments:args];
        [openTask waitUntilExit];
    }
    else
    {
        error = [NSError errorWithDomain:SUSparkleErrorDomain code:SUMissingInstallerToolError userInfo:[NSDictionary dictionaryWithObject:@"Couldn't find Apple's installer tool!" forKey:NSLocalizedDescriptionKey]];
        result = NO;
    }

    // Known bug: if the installation fails or is canceled, Sparkle goes ahead and restarts, thinking everything is fine.
    [self _finishInstallationWithResult:result host:host error:error delegate:delegate];
}

@end