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# -*- cperl -*-
# Copyright (c) 2007 MySQL AB, 2008, 2009 Sun Microsystems, Inc.
# Use is subject to license terms.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
package My::File::Path;
use strict;
#
# File::Path::rmtree has a problem with deleting files
# and directories where it hasn't got read permission
#
# Patch this by installing a 'rmtree' function in local
# scope that first chmod all files to 0777 before calling
# the original rmtree function.
#
# This is almost gone in version 1.08 of File::Path -
# but unfortunately some hosts still suffers
# from this also in 1.08
#
use Exporter;
use base "Exporter";
our @EXPORT= qw /rmtree mkpath copytree make_readonly/;
use File::Find;
use File::Copy;
use File::Spec;
use Carp;
use My::Handles;
use My::Platform;
sub rmtree {
my ($dir)= @_;
find( {
bydepth => 1,
no_chdir => 1,
wanted => sub {
my $name= $_;
if (!-l $name && -d _){
return if (rmdir($name) == 1);
chmod(0777, $name) or carp("couldn't chmod(0777, $name): $!");
return if (rmdir($name) == 1);
# Failed to remove the directory, analyze
carp("Couldn't remove directory '$name': $!");
My::Handles::show_handles($name);
} else {
return if (unlink($name) == 1);
chmod(0777, $name) or carp("couldn't chmod(0777, $name): $!");
return if (unlink($name) == 1);
carp("Couldn't delete file '$name': $!");
My::Handles::show_handles($name);
}
}
}, $dir );
};
use File::Basename;
sub _mkpath_debug {
my ($message, $path, $dir, $err)= @_;
print "=" x 40, "\n";
print $message, "\n";
print "err: '$err'\n";
print "path: '$path'\n";
print "dir: '$dir'\n";
print "-" x 40, "\n";
my $dirname= dirname($path);
print "ls -l $dirname\n";
print `ls -l $dirname`, "\n";
print "-" x 40, "\n";
print "dir $dirname\n";
print `dir $dirname`, "\n";
print "-" x 40, "\n";
my $dirname2= dirname($dirname);
print "ls -l $dirname2\n";
print `ls -l $dirname2`, "\n";
print "-" x 40, "\n";
print "dir $dirname2\n";
print `dir $dirname2`, "\n";
print "-" x 40, "\n";
print "file exists\n" if (-e $path);
print "file is a plain file\n" if (-f $path);
print "file is a directory\n" if (-d $path);
print "-" x 40, "\n";
print "showing handles for $path\n";
My::Handles::show_handles($path);
print "=" x 40, "\n";
}
sub mkpath {
my $path;
die "Usage: mkpath(<path>)" unless @_ == 1;
foreach my $dir ( File::Spec->splitdir( @_ ) ) {
#print "dir: $dir\n";
if ($dir =~ /^[a-z]:/i){
# Found volume ie. C:
$path= $dir;
next;
}
$path= File::Spec->catdir($path, $dir);
#print "path: $path\n";
next if -d $path; # Path already exists and is a directory
croak("File already exists but is not a directory: '$path'") if -e $path;
next if mkdir($path);
_mkpath_debug("mkdir failed", $path, $dir, $!);
# mkdir failed, try one more time
next if mkdir($path);
_mkpath_debug("mkdir failed, second time", $path, $dir, $!);
# mkdir failed again, try two more time after sleep(s)
sleep(1);
next if mkdir($path);
_mkpath_debug("mkdir failed, third time", $path, $dir, $!);
sleep(1);
next if mkdir($path);
_mkpath_debug("mkdir failed, fourth time", $path, $dir, $!);
# Report failure and die
croak("Couldn't create directory '$path' ",
" after 4 attempts and 2 sleep(1): $!");
}
};
sub copytree {
my ($from_dir, $to_dir, $use_umask) = @_;
die "Usage: copytree(<fromdir>, <todir>, [<umask>])"
unless @_ == 2 or @_ == 3;
my $orig_umask;
if ($use_umask){
# Set new umask and remember the original
$orig_umask= umask(oct($use_umask));
}
mkpath("$to_dir");
opendir(DIR, "$from_dir")
or croak("Can't find $from_dir$!");
for(readdir(DIR)) {
next if "$_" eq "." or "$_" eq "..";
# Skip SCCS/ directories
next if "$_" eq "SCCS";
if ( -d "$from_dir/$_" )
{
copytree("$from_dir/$_", "$to_dir/$_");
next;
}
# Only copy plain files
next unless -f "$from_dir/$_";
copy("$from_dir/$_", "$to_dir/$_");
if (!$use_umask)
{
chmod(0666, "$to_dir/$_");
}
}
closedir(DIR);
if ($orig_umask){
# Set the original umask
umask($orig_umask);
}
}
sub make_readonly {
my ($dir) = @_;
die "Usage: make_readonly(<dir>])"
unless @_ == 1;
opendir(DIR, "$dir")
or croak("Can't find $dir$!");
for(readdir(DIR)) {
next if "$_" eq "." or "$_" eq "..";
if ( -d "$dir/$_" )
{
make_readonly("$dir/$_");
next;
}
# Only copy plain files
next unless -f "$dir/$_";
chmod 0444, "$dir/$_";
}
closedir(DIR);
}
1;
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