Merge pull request #7 from zimbatm/d96939a95d27f45d99f2220f78829b577c…

…02be4c Small fix
jneen · Mar 17, 2012 · 6fc9a22 · 6fc9a22
2 parents b6a960b + d96939a
commit 6fc9a22
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/bin/ry b/bin/ry
@@ -190,7 +190,9 @@ ry::build() {
 # assert_installed <name>
 # abort unless the given ruby is installed
 assert_installed() {
-  if [[ ! -d "$RY_LIB/rubies/$1" ]]; then
+  if [ -z "$1" ]; then
+    abort "ruby version missing"
+  elif [[ ! -d "$RY_LIB/rubies/$1" ]]; then
     abort "no such ruby: $1"
   fi
 }