build/go-python-package-scripts/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # NOTE: This package name detection will only work on Debian.
   6 # If this postinst script ever starts doing work on Red Hat,
   7 # we'll need to adapt this code accordingly.
   8 script="$(basename "${0}")"
   9 pkg="${script%.postinst}"
  10 systemd_unit="${pkg}.service"
  11
  12 case "${1}" in
  13     configure)
  14         if [ -d /lib/systemd/system ]
  15         then
  16             # Python packages put all data files in /usr, so we copy
  17             # them to /lib at install time.
  18             py_unit="/usr/share/doc/${pkg}/${pkg}.service"
  19             if [ -e "${py_unit}" ]
  20             then
  21                 cp "${py_unit}" /lib/systemd/system/
  22             fi
  23         fi
  24
  25         if [ -e /run/systemd/system ]; then
  26             eval "$(systemctl -p UnitFileState show "${systemd_unit}")"
  27             case "${UnitFileState}" in
  28                 disabled)
  29                     # Failing to enable or start the service is not a
  30                     # package error, so don't let errors here
  31                     # propagate up.
  32                     systemctl enable "${systemd_unit}" || true
  33                     systemctl start "${systemd_unit}" || true
  34                     ;;
  35                 enabled)
  36                     systemctl daemon-reload || true
  37                     systemctl reload-or-try-restart "${systemd_unit}" || true
  38                     ;;
  39             esac
  40         fi
  41         ;;
  42 esac