[Fix] avoid unbound variable

Fixes #1949.
6 years ago · a49d9163ef
1 changed files with 1 additions and 1 deletions
--- a/nvm.sh
+++ b/nvm.sh
@ -3419,7 +3419,7 @@ nvm() {
				@@ -3419,7 +3419,7 @@ nvm() {
        esac
        shift
      done
-      case "${PATTERN}" in
+      case "${PATTERN-}" in
        'lts/*')
          NVM_LTS='*'
          unset PATTERN