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# Copyright (C) 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.
# Module to share code to work with various version control systems.
use strict;
use warnings;
use File::Spec;
use webkitdirs;
BEGIN {
use Exporter ();
our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
$VERSION = 1.00;
@ISA = qw(Exporter);
@EXPORT = qw(&isGitDirectory &isGit &isSVNDirectory &isSVN &makeFilePathRelative);
%EXPORT_TAGS = ( );
@EXPORT_OK = ();
}
our @EXPORT_OK;
my $isGit;
my $isSVN;
my $gitBranch;
my $isGitBranchBuild;
sub isGitDirectory($)
{
my ($dir) = @_;
return system("cd $dir && git rev-parse > /dev/null 2>&1") == 0;
}
sub isGit()
{
return $isGit if defined $isGit;
$isGit = isGitDirectory(".");
return $isGit;
}
sub gitBranch()
{
unless (defined $gitBranch) {
chomp($gitBranch = `git symbolic-ref -q HEAD`);
$gitBranch = "" if exitStatus($?);
$gitBranch =~ s#^refs/heads/##;
$gitBranch = "" if $gitBranch eq "master";
}
return $gitBranch;
}
sub isGitBranchBuild()
{
my $branch = gitBranch();
chomp(my $override = `git config --bool branch.$branch.webKitBranchBuild`);
return 1 if $override eq "true";
return 0 if $override eq "false";
unless (defined $isGitBranchBuild) {
chomp(my $gitBranchBuild = `git config --bool core.webKitBranchBuild`);
$isGitBranchBuild = $gitBranchBuild eq "true";
}
return $isGitBranchBuild;
}
sub isSVNDirectory($)
{
my ($dir) = @_;
return -d File::Spec->catdir($dir, ".svn");
}
sub isSVN()
{
return $isSVN if defined $isSVN;
$isSVN = isSVNDirectory(".");
return $isSVN;
}
my $gitRoot;
sub makeFilePathRelative($)
{
my ($path) = @_;
return $path unless isGit();
unless (defined $gitRoot) {
chomp($gitRoot = `git rev-parse --git-dir`);
$gitRoot =~ s/\.git$//;
}
my $result = File::Spec->abs2rel(File::Spec->rel2abs($path, $gitRoot));
return $result;
}
1;
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