mk: make xbcddir usage clearer

it's always a directory, so filter it first

Signed-off-by: Leah Rowe <leah@libreboot.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/mk b/mk
index cd39a3ee..b0a7280a 100755
--- a/mk
+++ b/mk
@@ -19,8 +19,9 @@ xbcddir="`readlink -f "$xbarg0" 2>/dev/null`"
 if [ -z "$xbcddir" ]; then
 	xbcddir="`realpath "$xbarg0" 2>/dev/null`"
 fi
+xbcddir="${xbcddir%/*}"
 
-cd "${xbcddir%/*}" || exit 1
+cd "$xbcddir" || exit 1
 
 . "include/lib.sh"
 . "include/init.sh"