Make sure multiple `nvm run` arguments get passed through to node/iojs properly.

Fixes #641.

nvm.sh

@@ -1292,18 +1292,27 @@ nvm() {
       local OUTPUT
       local EXIT_CODE
 
+      local ZHS_HAS_SHWORDSPLIT_UNSET
+      ZHS_HAS_SHWORDSPLIT_UNSET=1
+      if nvm_has "setopt"; then
+        ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
+        setopt shwordsplit
+      fi
       if [ "_$VERSION" = "_N/A" ]; then
         echo "$(nvm_ensure_version_prefix "$provided_version") is not installed yet" >&2
         EXIT_CODE=1
       elif [ "$NVM_IOJS" = true ]; then
         echo "Running io.js $(nvm_strip_iojs_prefix "$VERSION")"
-        OUTPUT="$(nvm use "$VERSION" >/dev/null && iojs "$ARGS")"
+        OUTPUT="$(nvm use "$VERSION" >/dev/null && iojs $ARGS)"
         EXIT_CODE="$?"
       else
         echo "Running node $VERSION"
-        OUTPUT="$(nvm use "$VERSION" >/dev/null && node "$ARGS")"
+        OUTPUT="$(nvm use "$VERSION" >/dev/null && node $ARGS)"
         EXIT_CODE="$?"
       fi
+      if [ $ZHS_HAS_SHWORDSPLIT_UNSET -eq 1 ] && nvm_has "unsetopt"; then
+        unsetopt shwordsplit
+      fi
       if [ -n "$OUTPUT" ]; then
         echo "$OUTPUT"
       fi

test/slow/nvm run/Running "nvm run --harmony --version" should work

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm run 0.10.7 --harmony --version
+[ "_$(nvm run 0.10.7 --harmony --version 2>/dev/null | tail -1)" = "_v0.10.7" ] || die "\`nvm run --harmony --version\` failed to run with the correct version"
+

test/slow/nvm run/Running "nvm run 0.x" should work

@@ -5,5 +5,5 @@ die () { echo $@ ; exit 1; }
 
 . ../../../nvm.sh
 
-[ "$(nvm run 0.10.7 --version | tail -1)" = "v0.10.7" ] || die "`nvm run` failed to run with the correct version"
+[ "$(nvm run 0.10.7 --version | tail -1)" = "v0.10.7" ] || die "\`nvm run\` failed to run with the correct version"