{ "name" : "fast" , "description" : "does nothing, and not very fast" , "version" : "1.2.3" , "scripts" : { "preinstall" : "sleep 1 && echo fast 1 $(date +%s) && echo fast 2" , "install" : "sleep 1 && echo fast 2 $(date +%s) && echo fast 3" , "postinstall" : "sleep 1 && echo fast 3 $(date +%s) && echo fast 4" } }