refname_is_safe(): don't allow the empty string
commit35db25c65f6f77c153ef2b1183ea7821236201c8
authorMichael Haggerty <mhagger@alum.mit.edu>
Wed, 27 Apr 2016 10:42:27 +0000 (27 12:42 +0200)
committerMichael Haggerty <mhagger@alum.mit.edu>
Thu, 5 May 2016 14:37:30 +0000 (5 16:37 +0200)
treeb6dd00bcd105e094e26949136b92cb1c771f4221
parent39950fef8bb45e944655e48393ee04c0b33211f5
refname_is_safe(): don't allow the empty string

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
refs.c