t6000lib: tr portability fix

Some versions of tr complain if the number of characters in
both sets isn't the same. So here we must manually expand
the dashes in set2.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t6000lib.sh b/t/t6000lib.sh
index 180633e1e0e37c59eeaa571ad7f7b292f35415ec..b69f7c4d1100ec7254d32665040e282a2fa97c2a 100755 (executable)
--- a/t/t6000lib.sh
+++ b/t/t6000lib.sh
@@ -97,7 +97,10 @@ check_output()
 # from front and back.
 name_from_description()
 {
-        tr "'" '-' | tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' '-' | tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//"
+        tr "'" '-' |
+               tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' \
+                  '------------------------------' |
+               tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//"
 }