WebKitTools/Scripts/update-webkit-auxiliary-libs
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/update-webkit-auxiliary-libs	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,134 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) 2005, 2006, 2007 Apple Computer, 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.
+
+# Updates a development environment to the new WebKitAuxiliaryLibrary
+
+use strict;
+use warnings;
+
+use File::Find;
+use File::Spec;
+use File::Temp ();
+use FindBin;
+use HTTP::Date qw(str2time);
+use POSIX;
+use lib $FindBin::Bin;
+use webkitdirs;
+
+sub lastModifiedToUnixTime($);
+
+# Time in seconds that the new zip file must be newer than the old for us to
+# consider them to be different. If the difference in modification time is less
+# than this threshold, we assume that the files are the same. We need this
+# because the zip file is served from a set of mirrors with slightly different
+# Last-Modified times.
+my $newnessThreshold = 30;
+
+my $sourceDir = sourceDir();
+my $file = "WebKitAuxiliaryLibrary";
+my $zipFile = "$file.zip"; 
+my $auxiliaryLibsURL = "http://developer.apple.com/opensource/internet/$zipFile";
+my $webkitLibrariesDir = toUnixPath($ENV{'WEBKITLIBRARIESDIR'}) || "$sourceDir/WebKitLibraries/win";
+my $tmpDir = File::Spec->rel2abs(File::Temp::tempdir("webkitlibsXXXXXXX", TMPDIR => 1, CLEANUP => 1));
+
+print "Checking Last-Modified date of $zipFile...\n";
+
+my $result = system "curl -s -I $auxiliaryLibsURL | grep Last-Modified > \"$tmpDir/$file.headers\"";
+
+if (WEXITSTATUS($result)) {
+    print STDERR "Couldn't check Last-Modified date of new $zipFile.\n";
+    print STDERR "Please ensure that $auxiliaryLibsURL is reachable.\n";
+
+    if (! -f "$webkitLibrariesDir/$file.headers") {
+        print STDERR "Unable to check Last-Modified date and no version of $file to fall back to.\n";
+        exit 1;
+    }
+
+    print STDERR "Falling back to existing version of $file.\n";
+    exit 0;
+}
+
+if (open NEW, "$tmpDir/$file.headers") {
+    my $new = lastModifiedToUnixTime(<NEW>);
+    close NEW;
+
+    if (defined $new && open OLD, "$webkitLibrariesDir/$file.headers") {
+        my $old = lastModifiedToUnixTime(<OLD>);
+        close OLD;
+        if (defined $old && abs($new - $old) < $newnessThreshold) {
+            print "Current $file is up to date\n";
+            exit 0;
+        }
+    }
+}
+
+print "Downloading $zipFile...\n\n";
+$result = system "curl -o \"$tmpDir/$zipFile\" $auxiliaryLibsURL";
+die "Couldn't download $zipFile!" if $result;
+
+$result = system "unzip", "-q", "-d", $tmpDir, "$tmpDir/$zipFile";
+die "Couldn't unzip $zipFile." if $result;
+
+print "\nInstalling $file...\n";
+
+sub wanted
+{
+    my $relativeName = File::Spec->abs2rel($File::Find::name, "$tmpDir/$file/win");
+    my $destination = "$webkitLibrariesDir/$relativeName";
+
+    if (-d $_) {
+        mkdir $destination;
+        return;
+    }
+
+    system "cp", $_, $destination;
+}
+
+File::Find::find(\&wanted, "$tmpDir/$file");
+
+$result = system "mv", "$tmpDir/$file.headers", $webkitLibrariesDir;
+print STDERR "Couldn't move $file.headers to $webkitLibrariesDir" . ".\n" if $result;
+
+print "The $file has been sucessfully installed in\n $webkitLibrariesDir\n";
+exit;
+
+sub toUnixPath
+{
+    my $path = shift;
+    return unless $path;
+    chomp($path = `cygpath -u '$path'`);
+    return $path;
+}
+
+sub lastModifiedToUnixTime($)
+{
+    my ($str) = @_;
+
+    $str =~ /^Last-Modified: (.*)$/ or return;
+    return str2time($1);
+}