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systemd/triggers.systemd
Franck Bui 7491f913dd - Provide (Lua-based) file triggers and adapt systemd.spec accordingly (boo#1133764)
More specifically, file triggers handle automatically installations or updates
  of files for sysusers, tmpfiles, hwdb, journal catalog, udev rules, sysctl and
  binfmt.
  Therefore it makes a bunch of systemd rpm macros (such as %udev_hwdb_update,
  %udev_rules_update, %journal_catalog_update, %tmpfiles_create,
  %sysusers_create and so on) not needed anymore. However before considering
  simplifying your spec files beware that these changes are not available in SLE
  yet and will probably never reach the current releases (latest one being
  SLE15-SP5 as of this writing).
  Macros dealing with unit restart/enabling (such as %systemd_pre,
  %service_add_pre, %service_del_postun, ...) are still needed though. However
  reloading of systemd instances (and thus restarting of units) are delayed
  until the very end of the package install/update transaction and is now done
  only once. 
  Nevertheless to fully take advantage of file triggers, users have to activate
  a specific zypper transaction backend which is still considered as
  experimental, see bsc#1041742 for details.
- Provide a (slighlty) customized version of systemd-update-helper. Some of the
  systemd rpm macros rely now on the helper and delegate their work to it. Hence
  we don't need to rebuild all packages anymore when the content of the rpm
  macros must be updated/fixed.

OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=1390
2023-05-09 14:01:32 +00:00

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# -*- Mode: rpm-spec; indent-tabs-mode: nil -*- */
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
# Copyright © 2018 Neal Gompa
# The contents of this are an example to be copied into systemd.spec.
#
# Minimum rpm version supported: 4.14.0
%transfiletriggerin -P 900900 -p <lua> -- /usr/lib/systemd/system /etc/systemd/system
-- This script will run after any package is initially installed or
-- upgraded. We care about the case where a package is initially
-- installed, because other cases are covered by the *un scriptlets,
-- so sometimes we will reload needlessly.
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "system-reload-restart"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerin -P 900899 -p <lua> -- /usr/lib/systemd/user /etc/systemd/user
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "user-reload-restart"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerpostun -P 1000100 -p <lua> -- /usr/lib/systemd/system /etc/systemd/system
-- On removal, we need to run daemon-reload after any units have been
-- removed.
-- On upgrade, we need to run daemon-reload after any new unit files
-- have been installed, but before %postun scripts in packages get
-- executed.
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "system-reload"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerpostun -P 1000100 -p <lua> -- /usr/lib/systemd/system /etc/systemd/system
-- Execute daemon-reload in user managers.
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "user-reload"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerpostun -P 10000 -p <lua> -- /usr/lib/systemd/system /etc/systemd/system
-- We restart remaining system services that should be restarted here.
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "system-restart"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerpostun -P 9999 -p <lua> -- /usr/lib/systemd/user /etc/systemd/user
-- We restart remaining user services that should be restarted here.
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-update-helper", "user-restart"))
elseif pid > 0 then
posix.wait(pid)
end
%transfiletriggerin -P 100700 -p <lua> -- /usr/lib/sysusers.d
-- This script will process files installed in /usr/lib/sysusers.d to create
-- specified users automatically. The priority is set such that it
-- will run before the tmpfiles file trigger.
assert(rpm.execute("systemd-sysusers"))
%if %{without bootstrap}
%transfiletriggerin -P 1000700 -n udev -p <lua> -- /usr/lib/udev/hwdb.d
-- This script will automatically invoke hwdb update if files have been
-- installed or updated in /usr/lib/udev/hwdb.d.
assert(rpm.execute("systemd-hwdb", "update"))
%endif
%transfiletriggerin -P 1000700 -p <lua> -- /usr/lib/systemd/catalog
-- This script will automatically invoke journal catalog update if files
-- have been installed or updated in /usr/lib/systemd/catalog.
assert(rpm.execute("journalctl", "--update-catalog"))
%transfiletriggerin -P 1000700 -p <lua> -- /usr/lib/binfmt.d
-- This script will automatically apply binfmt rules if files have been
-- installed or updated in /usr/lib/binfmt.d.
if posix.access("/run/systemd/system") then
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-binfmt"))
elseif pid > 0 then
posix.wait(pid)
end
end
%transfiletriggerin -P 1000600 -p <lua> -- /usr/lib/tmpfiles.d
-- This script will process files installed in /usr/lib/tmpfiles.d to create
-- tmpfiles automatically. The priority is set such that it will run
-- after the sysusers file trigger, but before any other triggers.
assert(rpm.execute("systemd-tmpfiles", "--create"))
%if %{without bootstrap}
%transfiletriggerin -P 1000600 -n udev -p <lua> -- /usr/lib/udev/rules.d
-- This script will automatically update udev with new rules if files
-- have been installed or updated in /usr/lib/udev/rules.d.
if posix.access("/run/udev/control") then
assert(rpm.execute("udevadm", "control", "--reload"))
end
%endif
%transfiletriggerin -P 1000500 -p <lua> -- /usr/lib/sysctl.d
-- This script will automatically apply sysctl rules if files have been
-- installed or updated in /usr/lib/sysctl.d.
if posix.access("/run/systemd/system") then
pid = posix.fork()
if pid == 0 then
assert(posix.exec("/usr/lib/systemd/systemd-sysctl"))
elseif pid > 0 then
posix.wait(pid)
end
end