From ed19062a6964b2cc8bb97d254aca3c1038b36c69 Mon Sep 17 00:00:00 2001
From: Michal Papis <mpapis@gmail.com>
Date: Tue, 14 Jan 2014 03:53:24 +0100
Subject: [PATCH] fix detecting installed rubies, fix
 #a82073e13555cb909720ec595afa2cab598d166f

---
 scripts/functions/cli | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/scripts/functions/cli b/scripts/functions/cli
index a7f673ca1f..51b9f3e287 100644
--- a/scripts/functions/cli
+++ b/scripts/functions/cli
@@ -275,11 +275,12 @@ __rvm_cli_install_ruby()
   if
     [[ -n "$1" ]]
   then
-    typeset __rubies __search __installed __missing
+    typeset __rubies __installed __missing __search_list
     typeset -a __search
     __rvm_custom_separated_array __search , "$1"
-    __rubies=""
-    __rvm_cli_rubies_select "$1" || return $?
+    __rubies="$1"
+    __search_list=""
+    __rvm_cli_rubies_select || return $?
     if __rvm_cli_rubies_not_installed
     then __rvm_run_wrapper manage install "${__rubies}" || return $?
     fi
@@ -296,18 +297,14 @@ __rvm_cli_rubies_select()
   do
     rvm_ruby_string="${__ruby}"
     __rvm_select &&
-    if
-      [[ -n "$rvm_ruby_string" ]]
-    then
-      __rubies+="$rvm_ruby_string,"
-      __search+="^$rvm_ruby_string\$|"
+    if [[ -n "$rvm_ruby_string" ]]
+    then __search_list+="^$rvm_ruby_string\$|"
     else
       rvm_error "Could not detect ruby version/name for installation '${__ruby}', please be more specific."
       return 1
     fi
   done
-  __rubies="${__rubies%,}"
-  __search="${__search%|}"
+  __search_list="${__search_list%|}"
 }
 
 __rvm_cli_rubies_not_installed()
@@ -315,7 +312,7 @@ __rvm_cli_rubies_not_installed()
   if
     (( ${rvm_force_flag:-0} == 0 )) &&
     __installed="$(
-      __rvm_list_strings | __rvm_grep -E "${__search}"
+      __rvm_list_strings | __rvm_grep -E "${__search_list}"
     )" &&
     [[ -n "${__installed}" ]]
   then