diff -r 000000000000 -r dd21522fd290 webengine/osswebengine/WebKitTools/WebKitLauncher/main.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKitTools/WebKitLauncher/main.m	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import <CoreFoundation/CoreFoundation.h>
+
+void displayErrorAndQuit(NSString *title, NSString *message)
+{
+    NSApplicationLoad();
+    NSRunCriticalAlertPanel(title, message, @"Quit", nil, nil);
+    exit(0);
+}
+
+void checkMacOSXVersion()
+{
+    long versionNumber = 0;
+    OSErr error = Gestalt(gestaltSystemVersion, &versionNumber);
+    if (error != noErr || versionNumber < 0x1040)
+        displayErrorAndQuit(@"Mac OS X 10.4 is Required", @"Nightly builds of WebKit require Mac OS X 10.4 or newer.");
+}
+
+int getLastVersionShown()
+{
+    [[NSUserDefaults standardUserDefaults] registerDefaults:[NSDictionary dictionaryWithObject:@"-1" forKey:@"StartPageShownInVersion"]];
+    return [[NSUserDefaults standardUserDefaults] integerForKey:@"StartPageShownInVersion"];
+}
+
+void saveLastVersionShown(int lastVersion)
+{
+    [[NSUserDefaults standardUserDefaults] setInteger:lastVersion forKey:@"StartPageShownInVersion"];
+    [[NSUserDefaults standardUserDefaults] synchronize];
+}
+
+NSString *getPathForStartPage()
+{
+    return [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"start.html"];
+}
+
+int getShowStartPageVersion()
+{
+    return getCurrentVersion() + 1;
+}
+
+int getCurrentVersion()
+{
+    return [[[[NSBundle mainBundle] infoDictionary] valueForKey:(NSString *)kCFBundleVersionKey] intValue];
+}
+
+BOOL startPageDisabled()
+{
+    return [[NSUserDefaults standardUserDefaults] boolForKey:@"StartPageDisabled"];
+}
+
+void addStartPageToArgumentsIfNeeded(NSMutableArray *arguments)
+{
+    if (startPageDisabled())
+        return;
+
+    if (getLastVersionShown() < getShowStartPageVersion()) {
+        saveLastVersionShown(getCurrentVersion());
+        NSString *startPagePath = getPathForStartPage();
+        if (startPagePath)
+            [arguments addObject:startPagePath];
+    }
+}
+
+static void myExecve(NSString *executable, NSArray *args, NSDictionary *environment)
+{
+    char **argv = (char **)calloc(sizeof(char *), [args count] + 1);
+    char **env = (char **)calloc(sizeof(char *), [environment count] + 1);
+    
+    NSEnumerator *e = [args objectEnumerator];
+    NSString *s;
+    int i = 0;
+    while (s = [e nextObject])
+        argv[i++] = (char *) [s UTF8String];
+    
+    e = [environment keyEnumerator];
+    i = 0;
+    while (s = [e nextObject])
+        env[i++] = (char *) [[NSString stringWithFormat:@"%@=%@", s, [environment objectForKey:s]] UTF8String];
+   
+    execve([executable fileSystemRepresentation], argv, env);
+}
+
+NSBundle *locateSafariBundle()
+{
+    NSArray *applicationDirectories = NSSearchPathForDirectoriesInDomains(NSApplicationDirectory, NSAllDomainsMask, YES);
+    NSEnumerator *e = [applicationDirectories objectEnumerator];
+    NSString *applicationDirectory;
+    while (applicationDirectory = [e nextObject]) {
+        NSString *possibleSafariPath = [applicationDirectory stringByAppendingPathComponent:@"Safari.app"];
+        NSBundle *possibleSafariBundle = [NSBundle bundleWithPath:possibleSafariPath];
+        if ([[possibleSafariBundle bundleIdentifier] isEqualToString:@"com.apple.Safari"])
+            return possibleSafariBundle;
+    }
+
+    CFURLRef safariURL = nil;
+    OSStatus err = LSFindApplicationForInfo(kLSUnknownCreator, CFSTR("com.apple.Safari"), nil, nil, &safariURL);
+    if (err != noErr)
+        displayErrorAndQuit(@"Unable to locate Safari", @"Nightly builds of WebKit require Safari to run.  Please check that it is available and then try again.");
+
+    NSBundle *safariBundle = [NSBundle bundleWithPath:[(NSURL *)safariURL path]];
+    CFRelease(safariURL);
+    return safariBundle;
+}
+
+int main(int argc, char *argv[])
+{
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    checkMacOSXVersion();
+
+    NSBundle *safariBundle = locateSafariBundle();
+    NSString *executablePath = [safariBundle executablePath];
+    NSString *frameworkPath = [[NSBundle mainBundle] resourcePath];
+    NSString *pathToEnablerLib = [[NSBundle mainBundle] pathForResource:@"WebKitNightlyEnabler" ofType:@"dylib"];
+
+    if ([frameworkPath rangeOfString:@":"].location != NSNotFound ||
+        [pathToEnablerLib rangeOfString:@":"].location != NSNotFound)
+        displayErrorAndQuit(@"Unable to launch Safari",
+                            @"WebKit is located at a path containing an unsupported character.  Please move WebKit to a different location and try again.");
+    
+    NSMutableArray *arguments = [NSMutableArray arrayWithObjects:executablePath, @"-WebKitDeveloperExtras", @"YES", @"-WebKitScriptDebuggerEnabled", @"YES", nil];
+    NSMutableDictionary *environment = [NSDictionary dictionaryWithObjectsAndKeys:frameworkPath, @"DYLD_FRAMEWORK_PATH", @"YES", @"WEBKIT_UNSET_DYLD_FRAMEWORK_PATH",
+                                                                                  pathToEnablerLib, @"DYLD_INSERT_LIBRARIES", [[NSBundle mainBundle] executablePath], @"WebKitAppPath", nil];
+    addStartPageToArgumentsIfNeeded(arguments);
+
+    while (*++argv)
+        [arguments addObject:[NSString stringWithUTF8String:*argv]];
+
+    myExecve(executablePath, arguments, environment);
+
+    char *error = strerror(errno);
+    NSString *errorMessage = [NSString stringWithFormat:@"Launching Safari at %@ failed with the error '%s' (%d)", [safariBundle bundlePath], error, errno];
+    displayErrorAndQuit(@"Unable to launch Safari", errorMessage);
+
+    [pool release];
+    return 0;
+}