git checkout: fix default head case

The "${new=$old}" syntax only works for an undefined 'new', not for an empty one. I knew that. Really. I'm not stupid.
20 years ago · dc14841102
1 changed files with 1 additions and 1 deletions
--- a/2
+++ b/2
@ -29,7 +29,7 @@ while [ "$#" != "0" ]; do
    esac
    i=$(($i+1))
 done
-: ${new=$old}
+[ -z "$new" ] && new=$old
 if [ "$force" ]
 then