add rvm list remote all, update #1428

help/list

@@ -2,7 +2,7 @@ Show list of available rubies,
 
 ## Usage:
 
-    rvm list [help,known,remote [|rbx|jruby],gemsets,default [string],rubies,strings,known_strings,ruby_svn_tags]
+    rvm list [help,known,remote [|rbx|jruby|all],gemsets,default [string],rubies,strings,known_strings,ruby_svn_tags]
 
 ## Actions:
 
@@ -11,7 +11,8 @@ Show list of available rubies,
 - `gemsets` - list all rubies with their gemsets
 - `rubies`  - list installed rubies, it is the default action when none given
 - `strings` - list installed rubies, machine passable form
-- `known_strings`       - list known rubies, that can be installed, machine passable form
-- `ruby_svn_tags`       - list ruby tags available at http://svn.ruby-lang.org/repos/ruby/tags/
-- `default [string]`    - show the default ruby, passable form with strings
-- `remote [|rbx|jruby]` - list binary build rubies (also for rbx/jruby), they do not need compilation
+- `known_strings`    - list known rubies, that can be installed, machine passable form
+- `ruby_svn_tags`    - list ruby tags available at http://svn.ruby-lang.org/repos/ruby/tags/
+- `default [string]` - show the default ruby, passable form with strings
+- `remote [|rbx|jruby|all]` - list binary build rubies (also for all/rbx/jruby), they do not need compilation,
+                              when parameter omitted then only rvm build binaries are listed.

scripts/functions/utility

@@ -494,7 +494,7 @@ __rvm_system_path()
   else return $?
   fi
   if [[ "${1:-}" == "-" ]]
-  then printf "%b" "${rvm_remote_server_path}"
+  then printf "%b" "${rvm_remote_server_path}\n"
   fi
 }
 
@@ -508,12 +508,12 @@ __rvm_system_path_for()
     rvm_remote_server_type="$(__rvm_db "rvm_remote_server_type${_iterator}")"
     [[ -n "${rvm_remote_server_type}" ]] || return 0
     if
-      [[ "${rvm_remote_server_type}" == "$1" ]]
+      [[ "${rvm_remote_server_type}" == "$1" || "$1" == "all" ]]
     then
       __rvm_system_path - "${_iterator}"
     fi
     : $(( _iterator+=1 ))
-  done
+  done | sort -u | tr "\n" "|" | sed 's/|$//'
 }
 
 __rvm_remote_extension()
@@ -600,6 +600,16 @@ __rvm_remote_server_path()
   done
 }
 
+__list_remote_all_for()
+{
+  #TODO: read the list from db
+  {
+    __list_remote_rubies_for "$1"
+    __list_remote_rbx_for    "$1"
+    __list_remote_jruby_for  "$1"
+  } | sort -u
+}
+
 __list_remote_rubies_for()
 {
   typeset rvm_ruby_url