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