summaryrefslogtreecommitdiff
path: root/mysql-test/lib/My/File/Path.pm
blob: 14fb43e8d98a3b87675bcc0478f7f6ea74ca011b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
# -*- cperl -*-
# Copyright (C) 2008 MySQL AB, 2009 Sun Microsystems, Inc.
#
# 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  02110-1301  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/;

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("$from_dir/$_", "$to_dir/$_");
  }
  closedir(DIR);

  if ($orig_umask){
    # Set the original umask
    umask($orig_umask);
  }
}

1;