From 6c1a310846bb3d59c51096d41b1dc5e79a217cb0 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Sun, 22 Feb 2015 00:42:20 -0800
Subject: [PATCH] Fix `nvm_resolve_alias default` from
 7d22e0c45847ef51a3f9ea9a2e42c3013086869b

---
 nvm.sh | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/nvm.sh b/nvm.sh
index 6005fb0..c936427 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -422,11 +422,20 @@ nvm_resolve_alias() {
   done
 
   if [ -n "$ALIAS" ] && [ "_$ALIAS" != "_$PATTERN" ]; then
-    if [ "_$ALIAS" = "_∞" ]; then
-      echo "$ALIAS"
-    else
-      nvm_ensure_version_prefix "$ALIAS"
-    fi
+    local NVM_IOJS_PREFIX
+    NVM_IOJS_PREFIX="$(nvm_iojs_prefix)"
+    local NVM_NODE_PREFIX
+    NVM_NODE_PREFIX="$(nvm_node_prefix)"
+    case "_$ALIAS" in
+      "_∞" | \
+      "_$NVM_IOJS_PREFIX" | "_$NVM_IOJS_PREFIX-" | \
+      "_$NVM_NODE_PREFIX" )
+        echo "$ALIAS"
+      ;;
+      *)
+        nvm_ensure_version_prefix "$ALIAS"
+      ;;
+    esac
     return 0
   fi