+ all.oses = Object.keys(supported.oses).filter(function (name) {
+ return maps.oses[name];
+ });
+ all.arches = Object.keys(supported.arches).filter(function (name) {
+ return maps.arches[name];
+ });
+ all.formats = Object.keys(supported.formats).filter(function (name) {
+ return maps.formats[name];