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      1 #!/usr/bin/perl -w
      2 
      3 # Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      4 # Copyright (C) 2009 Google Inc. All rights reserved.
      5 # Copyright (C) 2011 Brent Fulgham. All rights reserved.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 #
     11 # 1.  Redistributions of source code must retain the above copyright
     12 #     notice, this list of conditions and the following disclaimer. 
     13 # 2.  Redistributions in binary form must reproduce the above copyright
     14 #     notice, this list of conditions and the following disclaimer in the
     15 #     documentation and/or other materials provided with the distribution. 
     16 # 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     17 #     its contributors may be used to endorse or promote products derived
     18 #     from this software without specific prior written permission. 
     19 #
     20 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     21 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     22 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     23 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     24 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     25 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     26 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     27 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 # Update script for WebKit Open Source Project.
     32 
     33 use strict;
     34 use FindBin;
     35 use lib $FindBin::Bin;
     36 use File::Basename;
     37 use File::Path;
     38 use File::Spec;
     39 use Getopt::Long;
     40 use VCSUtils;
     41 use webkitdirs;
     42 
     43 sub runSvnUpdate();
     44 sub runGitUpdate();
     45 
     46 # Handle options
     47 my $quiet = '';
     48 my $showHelp;
     49 my $useGYP = 0;
     50 
     51 determineIsChromium();
     52 
     53 determineIsWinCairo();
     54 
     55 chdirWebKit();
     56 
     57 my $getOptionsResult = GetOptions(
     58     'h|help'  => \$showHelp,
     59     'q|quiet' => \$quiet,
     60     'gyp' => \$useGYP,
     61 ); 
     62 
     63 if (!$getOptionsResult || $showHelp) {
     64     print STDERR <<__END__;
     65 Usage: @{[ basename($0) ]} [options]
     66   --chromium  also update dependencies of the chromium port
     67   -h|--help   show the help message
     68   -q|--quiet  pass -q to svn update for quiet updates
     69   --gyp       generate project files from gyp after update
     70   --wincairo  also update dependencies of the WinCairo port
     71 __END__
     72     exit 1;
     73 }
     74 
     75 my $startTime = time();
     76 
     77 my @svnOptions = ();
     78 push @svnOptions, '-q' if $quiet;
     79 
     80 # Don't prompt when using svn-1.6 or newer.
     81 push @svnOptions, qw(--accept postpone) if isSVNVersion16OrNewer();
     82 
     83 print "Updating OpenSource\n" unless $quiet;
     84 runSvnUpdate() if isSVN();
     85 runGitUpdate() if isGit();
     86 
     87 if (-d "../Internal") {
     88     chdir("../Internal");
     89     print "Updating Internal\n" unless $quiet;
     90     runSvnUpdate() if isSVN();
     91     runGitUpdate() if isGit();
     92 } elsif (isChromium()) {
     93     # Workaround for https://bugs.webkit.org/show_bug.cgi?id=38926
     94     # We should remove the following "if" block when we find a right fix.
     95     if ((isCygwin() || isWindows()) && (stat("WebKit/chromium/features.gypi"))[9] >= $startTime) {
     96         print "features.gypi has been updated. Cleaning the build directories.\n";
     97         rmtree(["WebKit/chromium/Debug", "WebKit/chromium/Release"]);
     98     }
     99 
    100     system("perl", "Tools/Scripts/update-webkit-chromium") == 0 or die $!;
    101 } elsif (isAppleWinWebKit()) {
    102     system("perl", "Tools/Scripts/update-webkit-auxiliary-libs") == 0 or die;
    103     if (isWinCairo()) {
    104         system("perl", "Tools/Scripts/update-webkit-wincairo-libs") == 0 or die;
    105     }
    106 }
    107 
    108 setupAppleWinEnv() if isAppleWinWebKit();
    109 
    110 if ($useGYP) {
    111     print "Generating Project Files\n";
    112     system("perl", "Tools/Scripts/generate-project-files") == 0 or die "Failed to run generate-project-files";
    113 }
    114 
    115 exit 0;
    116 
    117 sub runSvnUpdate()
    118 {
    119     open UPDATE, "-|", "svn", "update", @svnOptions or die;
    120     my @conflictedChangeLogs;
    121     while (my $line = <UPDATE>) {
    122         print $line;
    123         $line =~ m/^C\s+(.+?)[\r\n]*$/;
    124         if ($1) {
    125           my $filename = normalizePath($1);
    126           push @conflictedChangeLogs, $filename if basename($filename) eq "ChangeLog";
    127         }
    128     }
    129     close UPDATE or die;
    130 
    131     if (@conflictedChangeLogs) {
    132         print "Attempting to merge conflicted ChangeLogs.\n";
    133         my $resolveChangeLogsPath = File::Spec->catfile(dirname($0), "resolve-ChangeLogs");
    134         (system($resolveChangeLogsPath, "--no-warnings", @conflictedChangeLogs) == 0)
    135             or die "Could not open resolve-ChangeLogs script: $!.\n";
    136     }
    137 }
    138 
    139 sub runGitUpdate()
    140 {
    141     # Doing a git fetch first allows setups with svn-remote.svn.fetch = trunk:refs/remotes/origin/master
    142     # to perform the rebase much much faster.
    143     system("git", "fetch") == 0 or die;
    144     if (isGitSVN()) {
    145         system("git", "svn", "rebase") == 0 or die;
    146     } else {
    147         # This will die if branch.$BRANCHNAME.merge isn't set, which is
    148         # almost certainly what we want.
    149         system("git", "pull") == 0 or die;
    150     }
    151 }
    152