#!/usr/bin/perl -w # # Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to You under the Apache License, Version 2.0 # (the "License"); you may not use this file except in compliance with # the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License.
use strict;
use File::Basename;
use File::Copy;
use File::Find;
use File::Path qw(mkpath);
require 5.010;
my $srcdir;
my $destdir;
sub process_file {
return if $_ =~ /^\./;
my $rel_to_srcdir = substr($File::Find::name, length($srcdir));
my $destfile = "$destdir$rel_to_srcdir";
if (-d $File::Find::name) { # If the directory is empty, it won't get created. # Otherwise it will get created when copying a file.
} else { if (-f $destfile) { # Preserve it.
} else { # Create it.
my $dir = dirname($destfile); if (! -e $dir) {
mkpath($dir) or die "Failed to create directory $dir: $!";
} copy($File::Find::name, $destfile) or die "Copy $File::Find::name->$destfile failed: $!";
}
}
}
$srcdir = shift;
$destdir = shift; if (scalar(@ARGV) > 0) {
my $mode = shift; if ($mode eq "ifdestmissing") { # Normally the check for possible overwrite is performed on a # file-by-file basis. If "ifdestmissing" is specified and the # destination directory exists, bail out. if (-d $destdir) {
print "[PRESERVING EXISTING SUBDIR $destdir]\n";
exit(0);
}
} else {
die "bad mode $mode";
}
}
find(\&process_file, ($srcdir));
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