arch-packages/systemtap.install

post_install() {
  getent group stapusr >/dev/null || groupadd -g 156 -r stapusr 2>/dev/null || groupadd -r stapusr
  getent group stapsys >/dev/null || groupadd -g 157 -r stapsys 2>/dev/null || groupadd -r stapsys
  getent group stapdev >/dev/null || groupadd -g 158 -r stapdev 2>/dev/null || groupadd -r stapdev

  getent group stapusr >/dev/null && chgrp stapusr /usr/bin/stapbpf
  chmod 04110 /usr/bin/stapbpf

  getent group stapusr >/dev/null && chgrp stapusr /usr/bin/staprun
  chmod 04110 /usr/bin/staprun

  echo "CONFIG_DEBUG_INFO is disabled on default. You need to recompile"
  echo "the kernel with CONFIG_DEBUG_INFO enabled."
}

post_upgrade() {
  post_install $1
}