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fix: Use of uninitialized value

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The subroutine did not check the case where HEAD does not verify.

Patch from Junio C Hamano <junkio@cox.net>
This commit is contained in:
Kay Sievers 2006-01-17 03:50:20 +01:00
parent f76ddc2015
commit 2c5c008b46
1 changed files with 5 additions and 4 deletions
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9
gitweb.cgi
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@ -404,12 +404,13 @@ sub git_read_head {
if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
my $head = <$fd>;
close $fd;
chomp $head;
if ($head =~ m/^[0-9a-fA-F]{40}$/) {
$retval = $head;
if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
$retval = $1;
}
}
$ENV{'GIT_DIR'} = $oENV;
if (defined $oENV) {
$ENV{'GIT_DIR'} = $oENV;
}
return $retval;
}