From 8349f0ff4872d71b52bc52c8a8b32596ee23202b Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Sun, 22 Jun 2014 11:33:26 -0700
Subject: [PATCH 1/3] Make sure `nvm ls foo` returns a nonzero exit code when a
 version is not found.

Fixes #440.
---
 nvm.sh                                                     | 6 ++++--
 ...foo\" should return a nonzero exit code when not found" | 7 +++++++
 2 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100755 "test/fast/Running \"nvm ls foo\" should return a nonzero exit code when not found"

diff --git a/nvm.sh b/nvm.sh
index 54a25f6..6354034 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -571,11 +571,13 @@ nvm() {
       NODE_PATH=$RUN_NODE_PATH $NVM_DIR/$VERSION/bin/node "$@"
     ;;
     "ls" | "list" )
-      nvm_print_versions "`nvm_ls $2`"
+      NVM_LS_OUTPUT=$(nvm_ls "$2")
+      NVM_LS_EXIT_CODE=$?
+      nvm_print_versions "$NVM_LS_OUTPUT"
       if [ $# -eq 1 ]; then
         nvm alias
       fi
-      return
+      return $NVM_LS_EXIT_CODE && $?
     ;;
     "ls-remote" | "list-remote" )
       nvm_print_versions "`nvm_ls_remote $2`"
diff --git "a/test/fast/Running \"nvm ls foo\" should return a nonzero exit code when not found" "b/test/fast/Running \"nvm ls foo\" should return a nonzero exit code when not found"
new file mode 100755
index 0000000..b29a947
--- /dev/null
+++ "b/test/fast/Running \"nvm ls foo\" should return a nonzero exit code when not found"	
@@ -0,0 +1,7 @@
+ #!/bin/sh
+
+. ../../nvm.sh
+
+nvm ls nonexistent_version
+[ "$?" = "3" ]
+

From 4b593bcda23314260880a1793e21c40b93908b5c Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Sun, 22 Jun 2014 17:20:31 -0700
Subject: [PATCH 2/3] Make sure these vars are local, where supported

---
 nvm.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nvm.sh b/nvm.sh
index 6354034..20c781a 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -571,6 +571,8 @@ nvm() {
       NODE_PATH=$RUN_NODE_PATH $NVM_DIR/$VERSION/bin/node "$@"
     ;;
     "ls" | "list" )
+      local NVM_LS_OUTPUT
+      local NVM_LS_EXIT_CODE
       NVM_LS_OUTPUT=$(nvm_ls "$2")
       NVM_LS_EXIT_CODE=$?
       nvm_print_versions "$NVM_LS_OUTPUT"

From fb215546ee5041b4146c1d0806a0390a759845c5 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Thu, 26 Jun 2014 16:52:48 -0700
Subject: [PATCH 3/3] Don't bother trying to return the exit code of `nvm
 alias` or `nvm_print_versions`

---
 nvm.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index 20c781a..782a432 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -579,7 +579,7 @@ nvm() {
       if [ $# -eq 1 ]; then
         nvm alias
       fi
-      return $NVM_LS_EXIT_CODE && $?
+      return $NVM_LS_EXIT_CODE
     ;;
     "ls-remote" | "list-remote" )
       nvm_print_versions "`nvm_ls_remote $2`"