Deal with an empty result from expand_path

2011-09-09 15:00:59 -07:00 · 2011-09-09 15:00:59 -07:00 · b81b64453b
commit b81b64453b
parent aade3ad781
1 changed files with 5 additions and 0 deletions
--- a/libexec/rbenv-which
+++ b/libexec/rbenv-which
@ -16,6 +16,11 @@ remove_from_path() {
  local path_to_remove="$(expand_path "$1")"
  local result=""

+  if [ -z "$path_to_remove" ]; then
+    echo "${PATH}"
+    return
+  fi
+
  for path in ${PATH//:/$'\n'}; do
    path="$(expand_path "$path" || true)"
    if [ -n "$path" ] && [ "$path" != "$path_to_remove" ]; then