build/go-python-package-scripts/postinst

   1 #!/bin/sh
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: AGPL-3.0
   5
   6 set -e
   7
   8 if [ "%{name}" != "%\{name\}" ]; then
   9     # Red Hat ("%{...}" is interpolated at package build time)
  10     pkg="%{name}"
  11     pkgtype=rpm
  12     prefix="${RPM_INSTALL_PREFIX}"
  13 else
  14     # Debian
  15     script="$(basename "${0}")"
  16     pkg="${script%.postinst}"
  17     pkgtype=deb
  18     prefix=/usr
  19 fi
  20
  21 case "${pkgtype}-${1}" in
  22     deb-configure | rpm-1)
  23         dest_dir="/lib/systemd/system"
  24         if ! [ -d "${dest_dir}" ]; then
  25             exit 0
  26         fi
  27
  28         # Find the unit file we need to install.
  29         unit_file="${pkg}.service"
  30         for dir in \
  31             "${prefix}/share/doc/${pkg}" \
  32             "${dest_dir}"; do
  33             if [ -e "${dir}/${unit_file}" ]; then
  34                 src_dir="${dir}"
  35                 break
  36             fi
  37         done
  38         if [ -z "${src_dir}" ]; then
  39             echo >&2 "WARNING: postinst script did not find ${unit_file} anywhere."
  40             exit 0
  41         fi
  42
  43         # Install/update the unit file if necessary.
  44         if [ "${src_dir}" != "${dest_dir}" ]; then
  45             cp "${src_dir}/${unit_file}" "${dest_dir}/" || exit 0
  46         fi
  47
  48         # Enable service, and make sure systemd re-reads the unit
  49         # file, in case we changed it.
  50         if [ -e /run/systemd/system ]; then
  51             systemctl daemon-reload || true
  52             eval "$(systemctl -p UnitFileState show "${pkg}")"
  53             case "${UnitFileState}" in
  54                 disabled)
  55                     # Failing to enable or start the service is not a
  56                     # package error, so don't let errors here
  57                     # propagate up.
  58                     systemctl enable "${pkg}" || true
  59                     systemctl start "${pkg}" || true
  60                     ;;
  61                 enabled)
  62                     systemctl reload-or-try-restart "${pkg}" || true
  63                     ;;
  64             esac
  65         fi
  66         ;;
  67 esac