-#!/usr/bin/perl
+#!/usr/bin/perl -w
+
+use strict;
# Check whether there are naming conflicts when names are truncated to
# the DOSish case-ignoring 8.3 format, plus other portability no-nos.
# "no filename shall be longer than eight and a suffix if present
# not longer than three".
+# The 8-level depth rule is for older VMS systems that likely won't
+# even be able to unpack the tarball if more than eight levels
+# (including the top of the source tree) are present.
+
my %seen;
+my $maxl = 30; # make up a limit for a maximum filename length
sub eight_dot_three {
- next if $seen{$_[0]}++;
- my ($dir, $base, $ext) = ($_[0] =~ m!^(?:(.+)/)?([^/.]+)(?:\.([^/.]+))?$!);
+ return () if $seen{$_[0]}++;
+ my ($dir, $base, $ext) = ($_[0] =~ m{^(?:(.+)/)?([^/.]+)(?:\.([^/.]+))?$});
my $file = $base . ( defined $ext ? ".$ext" : "" );
$base = substr($base, 0, 8);
$ext = substr($ext, 0, 3) if defined $ext;
- if ($dir =~ /\./) {
+ if (defined $dir && $dir =~ /\./) {
print "directory name contains '.': $dir\n";
}
if ($file =~ /[^A-Za-z0-9\._-]/) {
print "filename contains non-portable characters: $_[0]\n";
}
- if (length $file > 30) {
- print "filename longer than 30 characters: $_[0]\n"; # make up a limit
+ if (length $file > $maxl) {
+ print "filename longer than $maxl characters: $file\n";
}
if (defined $dir) {
return ($dir, defined $ext ? "$dir/$base.$ext" : "$dir/$base");
print "more than one dot: $_\n";
next;
}
+ if ((my $slashes = $_ =~ tr|\/|\/|) > 7) {
+ print "more than eight levels deep: $_\n";
+ next;
+ }
while (m!/|\z!g) {
my ($dir, $edt) = eight_dot_three($`);
+ next unless defined $dir;
($dir, $edt) = map { lc } ($dir, $edt);
push @{$dir{$dir}->{$edt}}, $_;
}
for my $dir (sort keys %dir) {
for my $edt (keys %{$dir{$dir}}) {
- my @files = @{$dir{$dir}->{$edt}};
+ my @files = @{$dir{$dir}{$edt}};
if (@files > 1) {
- print "directory $dir conflict $edt: @files\n";
+ print "conflict on filename $edt:\n", map " $_\n", @files;
}
}
}