git-cvsserver: fix error for invalid password formats

Change the error message to report the erroneous password
character. $1 was never set in the previos version, it was a leftover
from older code that used a regex for the test.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index 6de7921796597471990aa5498677522d8f9f236f..0f45c395098f2e19b7ce93ac17c45d128f05ff0d 100755 (executable)
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -2658,7 +2658,10 @@ sub descramble
 
     # This should never happen, the same password format (A) has been
     # used by CVS since the beginning of time
-    die "invalid password format $1" unless substr($str, 0, 1) eq 'A';
+    {
+        my $fmt = substr($str, 0, 1);
+        die "invalid password format `$fmt'" unless $fmt eq 'A';
+    }
 
     my @str = unpack "C*", substr($str, 1);
     my $ret = join '', map { chr $SHIFTS[$_] } @str;