upgrade in rvm-1.0.2

- old
+ new

@@ -15,27 +15,27 @@
   read -r confirmation_response
   [[ -z "$confirmation_response" ]] || echo "$confirmation_response" | \grep -qi '^y'
 }
 
 die_with_error() {
-  $rvm_scripts_path/log "fail" "$1"
+  "$rvm_scripts_path/log" "fail" "$1"
   exit "${2:-1}"
 }
 
 expand_ruby_name() {
-  $rvm_scripts_path/tools strings "$1" | awk -F"$rvm_gemset_separator" '{print $1}'
+  "$rvm_scripts_path/tools" strings "$1" | awk -F"$rvm_gemset_separator" '{print $1}'
 }
 
 expand_existing_ruby() {
   local prefix="$(expand_ruby_name "$1" | awk -F'-' '{print $1"-"$2}')"
   local ruby_name
   while read -r ruby_name; do
     if [[ "$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 "$source_ruby" ]] && die_with_error "Unable to find a source ruby. Please manually provide one."
@@ -44,21 +44,21 @@
   [[ -z "$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_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" "$expanded_destination"
+  "$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"
 
-  $rvm_scripts_path/log "info" "Upgrade complete!"
+  "$rvm_scripts_path/log" "info" "Upgrade complete!"
 }
 
 [[ -z "$1" ]] && usage
 
 destination_ruby="$1"; shift