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authorKarl Berry <karl@freefriends.org>2012-11-10 00:50:20 +0000
committerKarl Berry <karl@freefriends.org>2012-11-10 00:50:20 +0000
commit8617ee441f4f0151a85352381b6b7b10ec91af43 (patch)
tree8866f595e71d4f60502f7d6ba619af1a310892e2 /Build/source/utils/biber
parentdac8ad1dbd161de074cb5912677006e5455e8296 (diff)
sync
git-svn-id: svn://tug.org/texlive/trunk@28224 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/biber')
-rw-r--r--Build/source/utils/biber/TeXLive/TLUtils.pm8
1 files changed, 6 insertions, 2 deletions
diff --git a/Build/source/utils/biber/TeXLive/TLUtils.pm b/Build/source/utils/biber/TeXLive/TLUtils.pm
index f76b3328f63..6787e2fbc45 100644
--- a/Build/source/utils/biber/TeXLive/TLUtils.pm
+++ b/Build/source/utils/biber/TeXLive/TLUtils.pm
@@ -5,7 +5,7 @@
package TeXLive::TLUtils;
-my $svnrev = '$Revision: 27249 $';
+my $svnrev = '$Revision: 27741 $';
my $_modulerevision;
if ($svnrev =~ m/: ([0-9]+) /) {
$_modulerevision = $1;
@@ -2691,8 +2691,12 @@ sub check_for_old_updmap_cfg {
return unless -r $oldupd; # if no such file, good.
open (OLDUPD, "<$oldupd") || die "open($oldupd) failed: $!";
- chomp( my $firstline = <OLDUPD> );
+ my $firstline = <OLDUPD>;
close(OLDUPD);
+ # cygwin returns undef when reading from an empty file, we have
+ # to make sure that this is anyway initialized
+ $firstline = "" if (!defined($firstline));
+ chomp ($firstline);
#
if ($firstline =~ m/^# Generated by (install-tl|.*\/tlmgr) on/) {
# assume it was our doing, rename it.