install-system-wide in rvm-1.0.1

- old
+ new

@@ -2,11 +2,11 @@
 
 __rvm_system_wide_permissions() {
   [[ -z "$1" ]] && return 1
   chown -R root:"$rvm_group_name" "$1"
   chmod -R g+w "$1"
-  [[ -d "$1" ]] && find "$1" -type d | xargs -n1 chmod g+s
+  [[ -d "$1" ]] && find "$1" -type d -print0 | xargs -n1 -0 chmod g+s
 }
 
 # Require root to install it.
 if [[ "$(whoami)" != "root" ]]; then
   echo "Please rerun this installer as root." >&2
@@ -28,11 +28,11 @@
 
 rvm_path="${rvm_path:-"/usr/local/rvm"}"
 export rvm_selfcontained=0
 
 rvm_group_name="${rvm_group_name:-"rvm"}"
-if cat /etc/group | cut -d: -f1 | \grep -q "^${rvm_group_name}$"; then
-  echo "Group exists, proceeding with installation."
+if \grep -q "${rvm_group_name}$" /etc/group ; then
+  echo "Group '$rvm_group_name' exists, proceeding with installation."
 else
   echo "Creating the group '$rvm_group_name'"
   groupadd -f "$rvm_group_name"
 fi
 echo "Adding $(whoami) the '$rvm_group_name'"