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 # Detect rpm-based systems: the exit code of the following command is zero
   7 # on rpm-based systems
   8 /usr/bin/rpm -q -f /usr/bin/rpm >/dev/null 2>&1
   9
  10 if [ "$?" = "0" ]; then
  11     # Red Hat ("%{...}" is interpolated at package build time)
  12     pkg="%{name}"
  13     pkgtype=rpm
  14     prefix="${RPM_INSTALL_PREFIX}"
  15 else
  16     # Debian
  17     script="$(basename "${0}")"
  18     pkg="${script%.postinst}"
  19     pkgtype=deb
  20     prefix=/usr
  21 fi
  22
  23 set -e
  24 case "${pkgtype}-${1}" in
  25     deb-configure | rpm-1)
  26         dest_dir="/lib/systemd/system"
  27         if ! [ -d "${dest_dir}" ]; then
  28             exit 0
  29         fi
  30
  31         # Find the unit file we need to install.
  32         unit_file="${pkg}.service"
  33         for dir in \
  34             "${prefix}/share/doc/${pkg}" \
  35             "${dest_dir}"; do
  36             if [ -e "${dir}/${unit_file}" ]; then
  37                 src_dir="${dir}"
  38                 break
  39             fi
  40         done
  41         if [ -z "${src_dir}" ]; then
  42             echo >&2 "WARNING: postinst script did not find ${unit_file} anywhere."
  43             exit 0
  44         fi
  45
  46         # Install/update the unit file if necessary.
  47         if [ "${src_dir}" != "${dest_dir}" ]; then
  48             cp "${src_dir}/${unit_file}" "${dest_dir}/" || exit 0
  49         fi
  50
  51         # Enable service, and make sure systemd re-reads the unit
  52         # file, in case we changed it.
  53         if [ -e /run/systemd/system ]; then
  54             systemctl daemon-reload || true
  55             eval "$(systemctl -p UnitFileState show "${pkg}")"
  56             case "${UnitFileState}" in
  57                 disabled)
  58                     # Failing to enable or start the service is not a
  59                     # package error, so don't let errors here
  60                     # propagate up.
  61                     systemctl enable "${pkg}" || true
  62                     systemctl start "${pkg}" || true
  63                     ;;
  64                 enabled)
  65                     systemctl reload-or-try-restart "${pkg}" || true
  66                     ;;
  67             esac
  68         fi
  69         ;;
  70 esac