From a81724108bdc6d77696a21c4cbc25626bbc7d515 Mon Sep 17 00:00:00 2001
From: Tatsuki Sugiura <sugi@nemui.org>
Date: Tue, 21 Aug 2018 16:25:35 +0900
Subject: [PATCH] Fix rvm_path variable handling for install error.

With current rvm installer fails with following message if user
do not set rvm_path environment.

```
ERROR: --path must be followed by a path.
```

This patch fixes option handling with rvm_path environment variable.
---
 script/install-rvm.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/script/install-rvm.sh b/script/install-rvm.sh
index fba057f..dc6d5f0 100644
--- a/script/install-rvm.sh
+++ b/script/install-rvm.sh
@@ -11,8 +11,11 @@ mkdir "${CURL_HOME}/" &&
 exit $?
 
 # run the installer
-echo $rvm_path
-if \curl -L https://get.rvm.io -o rvm-installer.sh && bash rvm-installer.sh stable --path $rvm_path
+options=""
+if [ ! -z "$rvm_path" ]; then
+  options="--path '$rvm_path'"
+fi
+if \curl -L https://get.rvm.io -o rvm-installer.sh && bash rvm-installer.sh stable $options
 then __LAST_STATUS=0
 else __LAST_STATUS=$?
 fi