post_install() {
  # fixup permissions
  chmod 755 /usr/lib/node_modules \
    /usr/lib/node_modules/jake/node_modules \
    /usr/lib/node_modules/jake/node_modules/.bin \
    /usr/lib/node_modules/jake/node_modules/filelist/node_modules
}

post_upgrade() {
  post_install
}
