upgrade in rvm-1.0.0

- old
+ new

@@ -11,11 +11,11 @@
 
 confirm() {
   printf "$1 (Y/n): "
   local confirmation_response
   read -r confirmation_response
-  [[ -z "$confirmation_response" ]] || echo "$confirmation_response" | grep -qi '^y'
+  [[ -z "$confirmation_response" ]] || echo "$confirmation_response" | \grep -qi '^y'
 }
 
 die_with_error() {
   $rvm_scripts_path/log "fail" "$1"
   exit "${2:-1}"
@@ -31,34 +31,34 @@
   while read -r ruby_name; do
     if [[ "$ruby_name" != "$expanded_destination"* ]]; then
       echo "$ruby_name"
       return 0
     fi
-  done < <($rvm_scripts_path/list strings | tr ' ' '\n'  | sort -ur | grep "^$prefix" | grep -v '-head$' | head -n1)
+  done < <($rvm_scripts_path/list strings | tr ' ' '\n'  | sort -ur | \grep "^$prefix" | \grep -v '-head$' | head -n1)
   return 1
 }
 
 upgrade_ruby() {
   [[ -z "$source_ruby" ]] && die_with_error "Unable to find a source ruby. Please manually provide one."
-  
+
   expanded_source="$(expand_ruby_name "$source_ruby")"
   [[ -z "$expanded_source" ]] && die_with_error "The source ruby was not a valid ruby string."
-  
+
   confirm "Are you sure you wish to upgrade from $expanded_source to $expanded_destination?" || die_with_error "Cancelling upgrade."
-  
+
   if [[ ! -d "$rvm_rubies_path/$expanded_destination" ]]; then
     $rvm_scripts_path/log "info" "Installing new ruby $expanded_destination"
     $rvm_bin_path/rvm install "$expanded_destination"
     result="$?"
     [[ "$result" -gt 0 ]] && die_with_error "Unable to install ruby $expanded_destination. Please install it manually to continue." "$result"
   fi
-  
+
   $rvm_scripts_path/log "info" "Migrating gems from $expanded_source to $expanded_destination"
   $rvm_scripts_path/migrate "$expanded_source" "$expanded_destination"
   result="$?"
   [[ "$result" -gt 0 ]] && die_with_error "Error migrating gems." "$result"
-  
+
   $rvm_scripts_path/log "info" "Upgrade complete!"
 }
 
 [[ -z "$1" ]] && usage
 
@@ -66,6 +66,6 @@
 expanded_destination="$(expand_ruby_name "$destination_ruby")"
 [[ -z "$expanded_destination" ]] && die_with_error "The destination ruby was not a valid ruby string."
 
 source_ruby="${1:-"$(expand_existing_ruby "$destination_ruby")"}"
 
-upgrade_ruby
\ No newline at end of file
+upgrade_ruby