mirror of
https://github.com/systemd/systemd.git
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01d2041e41
This patch was initially prompted by a report on a Fedora update [1], that the
upgrade causes systemd-resolved.service and systemd-networkd.service to be
re-enabled. We generally want to preserve the enablement of all services during
upgrades, so a reset like this is not expected.
Both services declare two symlinks in their [Install] sections, for their dbus
names and for multi-user.target.wants/. It turns out that both services were
only partially enabled, because their dbus unit symlinks
/etc/systemd/system/dbus-org.freedesktop.{resolve1,network1}.service were
created, by the symlinks in /etc/systemd/system/multi-user.target.wants/ were
not. This means that the units could be activated by dbus, but not in usual
fashion using systemctl start. Our tools make it rather hard to figure out when
something like this happens, and it is definitely an area for improvement on its
own. The symlink in .wants/ was filtered out by during packaging, but the dbus
symlink was left in (I assume by mistake).
Let's simplify things by not creating the symlinks statically during 'ninja
install'. This means that the units shipped by systemd have to be enabled in
the usual fashion, which in turns means that [Install] section and presets
become the "single source of truth" and we don't have two sets of conflicting
configuration.
Let's consider a few cases:
- developer: a developer installs systemd from git on a running system, and they
don't want the installation to reset enablement of anything. So this change is
either positive for them, or has no effect (if they have everything at
defaults).
- package creation: we want to create symlinks using 'preset-all' and 'preset'
on upgraded packages, we don't want to have any static symlinks. This change
will remove the need to filter out symlinks in packaging and of course fix
the original report.
- installation of systemd from scratch: this change means that without
'preset-all' the system will not be functional. This case could be affected
negatively by this change, but I think it's enough of a corner case to accept
this. In practice I expect people to build a package, not installl directly
into the file system, so this might not even matter in practice.
Creating those symlinks was probably the right thing in the beginning, but
nowadays the preset system is very well established and people expect it to
be honoured. Ignoring the presets and doing static configuration is not welcome
anymore.
Note: during package installation, either 'preset-all' or 'preset getty@.service
machines.target remote-cryptsetup.target remote-fs.target
systemd-networkd.service systemd-resolved.service
systemd-networkd-wait-online.service systemd-timesyncd.service' should be called.
[1] https://bodhi.fedoraproject.org/updates/FEDORA-2019-616045ca76
321 lines
15 KiB
Meson
321 lines
15 KiB
Meson
# SPDX-License-Identifier: LGPL-2.1+
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units = [
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['basic.target', ''],
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['bluetooth.target', ''],
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['boot-complete.target', ''],
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['cryptsetup-pre.target', 'HAVE_LIBCRYPTSETUP'],
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['cryptsetup.target', 'HAVE_LIBCRYPTSETUP',
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'sysinit.target.wants/'],
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['dev-hugepages.mount', '',
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'sysinit.target.wants/'],
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['dev-mqueue.mount', '',
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'sysinit.target.wants/'],
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['emergency.target', ''],
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['exit.target', ''],
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['final.target', ''],
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['getty.target', '',
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'multi-user.target.wants/'],
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['getty-pre.target', ''],
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['graphical.target', '',
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'runlevel5.target default.target'],
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['halt.target', ''],
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['hibernate.target', 'ENABLE_HIBERNATE'],
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['hybrid-sleep.target', 'ENABLE_HIBERNATE'],
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['suspend-then-hibernate.target', 'ENABLE_HIBERNATE'],
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['initrd-fs.target', ''],
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['initrd-root-device.target', ''],
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['initrd-root-fs.target', ''],
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['initrd-switch-root.target', ''],
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['initrd.target', ''],
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['kexec.target', ''],
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['ldconfig.service', 'ENABLE_LDCONFIG',
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'sysinit.target.wants/'],
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['local-fs-pre.target', ''],
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['local-fs.target', ''],
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['machine.slice', 'ENABLE_MACHINED'],
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['machines.target', 'ENABLE_MACHINED'],
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['multi-user.target', '',
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'runlevel2.target runlevel3.target runlevel4.target'],
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['network-online.target', ''],
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['network-pre.target', ''],
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['network.target', ''],
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['nss-lookup.target', ''],
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['nss-user-lookup.target', ''],
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['paths.target', ''],
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['poweroff.target', '',
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'runlevel0.target'],
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['printer.target', ''],
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['proc-sys-fs-binfmt_misc.automount', 'ENABLE_BINFMT',
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'sysinit.target.wants/'],
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['proc-sys-fs-binfmt_misc.mount', 'ENABLE_BINFMT'],
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['reboot.target', '',
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'runlevel6.target ctrl-alt-del.target'],
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['remote-cryptsetup.target', 'HAVE_LIBCRYPTSETUP'],
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['remote-fs-pre.target', ''],
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['remote-fs.target', ''],
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['rescue.target', '',
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'runlevel1.target'],
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['rpcbind.target', ''],
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['shutdown.target', ''],
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['sigpwr.target', ''],
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['sleep.target', ''],
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['slices.target', ''],
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['smartcard.target', ''],
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['sockets.target', ''],
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['sound.target', ''],
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['suspend.target', ''],
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['swap.target', ''],
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['sys-fs-fuse-connections.mount', '',
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'sysinit.target.wants/'],
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['sys-kernel-config.mount', '',
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'sysinit.target.wants/'],
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['sys-kernel-debug.mount', '',
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'sysinit.target.wants/'],
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['sysinit.target', ''],
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['syslog.socket', ''],
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['system-update.target', ''],
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['system-update-pre.target', ''],
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['system-update-cleanup.service', ''],
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['systemd-ask-password-console.path', '',
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'sysinit.target.wants/'],
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['systemd-ask-password-wall.path', '',
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'multi-user.target.wants/'],
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['systemd-coredump.socket', 'ENABLE_COREDUMP',
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'sockets.target.wants/'],
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['systemd-exit.service', ''],
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['systemd-initctl.socket', '',
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'sockets.target.wants/'],
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['systemd-journal-gatewayd.socket', 'ENABLE_REMOTE HAVE_MICROHTTPD'],
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['systemd-journal-remote.socket', 'ENABLE_REMOTE HAVE_MICROHTTPD'],
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['systemd-journald-audit.socket', '',
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'sockets.target.wants/'],
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['systemd-journald-dev-log.socket', '',
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'sockets.target.wants/'],
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['systemd-journald.socket', '',
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'sockets.target.wants/'],
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['systemd-networkd.socket', 'ENABLE_NETWORKD'],
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['systemd-poweroff.service', ''],
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['systemd-reboot.service', ''],
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['systemd-rfkill.socket', 'ENABLE_RFKILL'],
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['systemd-tmpfiles-clean.timer', '',
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'timers.target.wants/'],
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['systemd-udevd-control.socket', '',
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'sockets.target.wants/'],
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['systemd-udevd-kernel.socket', '',
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'sockets.target.wants/'],
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['time-sync.target', ''],
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['timers.target', ''],
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['tmp.mount', '',
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'local-fs.target.wants/'],
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['umount.target', ''],
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['user.slice', ''],
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['var-lib-machines.mount', 'ENABLE_MACHINED',
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'remote-fs.target.wants/ machines.target.wants/'],
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]
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in_units = [
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['debug-shell.service', ''],
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['emergency.service', ''],
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['halt-local.service', 'HAVE_SYSV_COMPAT'],
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['initrd-cleanup.service', ''],
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['initrd-parse-etc.service', ''],
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['initrd-switch-root.service', ''],
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['initrd-udevadm-cleanup-db.service', ''],
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['kmod-static-nodes.service', 'HAVE_KMOD ENABLE_TMPFILES',
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'sysinit.target.wants/'],
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['quotaon.service', 'ENABLE_QUOTACHECK'],
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['rc-local.service', 'HAVE_SYSV_COMPAT'],
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['rescue.service', ''],
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['systemd-ask-password-console.service', ''],
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['systemd-ask-password-wall.service', ''],
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['systemd-backlight@.service', 'ENABLE_BACKLIGHT'],
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['systemd-binfmt.service', 'ENABLE_BINFMT',
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'sysinit.target.wants/'],
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['systemd-bless-boot.service', 'ENABLE_EFI HAVE_BLKID'],
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['systemd-boot-check-no-failures.service', ''],
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['systemd-coredump@.service', 'ENABLE_COREDUMP'],
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['systemd-firstboot.service', 'ENABLE_FIRSTBOOT',
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'sysinit.target.wants/'],
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['systemd-fsck-root.service', ''],
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['systemd-fsck@.service', ''],
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['systemd-halt.service', ''],
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['systemd-hibernate-resume@.service', 'ENABLE_HIBERNATE'],
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['systemd-hibernate.service', 'ENABLE_HIBERNATE'],
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['systemd-hybrid-sleep.service', 'ENABLE_HIBERNATE'],
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['systemd-suspend-then-hibernate.service', 'ENABLE_HIBERNATE'],
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['systemd-hostnamed.service', 'ENABLE_HOSTNAMED',
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'dbus-org.freedesktop.hostname1.service'],
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['systemd-hwdb-update.service', 'ENABLE_HWDB',
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'sysinit.target.wants/'],
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['systemd-importd.service', 'ENABLE_IMPORTD',
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'dbus-org.freedesktop.import1.service'],
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['systemd-initctl.service', ''],
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['systemd-journal-catalog-update.service', '',
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'sysinit.target.wants/'],
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['systemd-journal-flush.service', '',
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'sysinit.target.wants/'],
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['systemd-journal-gatewayd.service', 'ENABLE_REMOTE HAVE_MICROHTTPD'],
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['systemd-journal-remote.service', 'ENABLE_REMOTE HAVE_MICROHTTPD'],
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['systemd-journal-upload.service', 'ENABLE_REMOTE HAVE_LIBCURL'],
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['systemd-journald.service', '',
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'sysinit.target.wants/'],
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['systemd-kexec.service', ''],
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['systemd-localed.service', 'ENABLE_LOCALED',
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'dbus-org.freedesktop.locale1.service'],
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['systemd-logind.service', 'ENABLE_LOGIND',
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'multi-user.target.wants/ dbus-org.freedesktop.login1.service'],
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['systemd-machine-id-commit.service', '',
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'sysinit.target.wants/'],
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['systemd-machined.service', 'ENABLE_MACHINED',
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'dbus-org.freedesktop.machine1.service'],
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['systemd-modules-load.service', 'HAVE_KMOD',
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'sysinit.target.wants/'],
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['systemd-networkd.service', 'ENABLE_NETWORKD'],
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['systemd-networkd-wait-online.service', 'ENABLE_NETWORKD'],
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['systemd-nspawn@.service', ''],
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['systemd-portabled.service', 'ENABLE_PORTABLED',
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'dbus-org.freedesktop.portable1.service'],
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['systemd-quotacheck.service', 'ENABLE_QUOTACHECK'],
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['systemd-random-seed.service', 'ENABLE_RANDOMSEED',
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'sysinit.target.wants/'],
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['systemd-remount-fs.service', ''],
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['systemd-resolved.service', 'ENABLE_RESOLVE'],
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['systemd-rfkill.service', 'ENABLE_RFKILL'],
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['systemd-suspend.service', ''],
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['systemd-sysctl.service', '',
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'sysinit.target.wants/'],
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['systemd-sysusers.service', 'ENABLE_SYSUSERS',
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'sysinit.target.wants/'],
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['systemd-timedated.service', 'ENABLE_TIMEDATED',
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'dbus-org.freedesktop.timedate1.service'],
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['systemd-timesyncd.service', 'ENABLE_TIMESYNCD'],
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['systemd-time-wait-sync.service', 'ENABLE_TIMESYNCD'],
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['systemd-tmpfiles-clean.service', 'ENABLE_TMPFILES'],
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['systemd-tmpfiles-setup-dev.service', 'ENABLE_TMPFILES',
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'sysinit.target.wants/'],
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['systemd-tmpfiles-setup.service', 'ENABLE_TMPFILES',
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'sysinit.target.wants/'],
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['systemd-udev-settle.service', ''],
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['systemd-udev-trigger.service', '',
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'sysinit.target.wants/'],
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['systemd-udevd.service', '',
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'sysinit.target.wants/'],
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['systemd-update-done.service', '',
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'sysinit.target.wants/'],
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['systemd-update-utmp-runlevel.service', 'ENABLE_UTMP HAVE_SYSV_COMPAT',
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'multi-user.target.wants/ graphical.target.wants/ rescue.target.wants/'],
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['systemd-update-utmp.service', 'ENABLE_UTMP',
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'sysinit.target.wants/'],
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['systemd-user-sessions.service', 'HAVE_PAM',
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'multi-user.target.wants/'],
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['systemd-vconsole-setup.service', 'ENABLE_VCONSOLE'],
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['systemd-volatile-root.service', ''],
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['user-runtime-dir@.service', ''],
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['user@.service', ''],
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]
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m4_units = [
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['console-getty.service', ''],
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['container-getty@.service', ''],
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['getty@.service', '',
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'autovt@.service '],
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['serial-getty@.service', ''],
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]
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foreach tuple : in_units
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file = tuple[0]
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# we do this here because install_data does not accept custom_target output
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conds = tuple[1].split(' ')
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install = ((conds.get(0, '') == '' or conf.get(conds[0]) == 1) and
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(conds.get(1, '') == '' or conf.get(conds[1]) == 1))
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gen1 = configure_file(
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input : file + '.in',
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output : file + '.tmp',
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configuration : substs)
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gen2 = custom_target(
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file,
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input : gen1,
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output : file,
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command : [sed, '/^## /d', '@INPUT@'],
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capture : true,
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install : install,
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install_dir : systemunitdir)
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if install and tuple.length() > 2
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foreach target : tuple[2].split()
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meson.add_install_script('meson-add-wants.sh', systemunitdir, target, file)
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endforeach
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endif
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endforeach
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foreach tuple : m4_units
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file = tuple[0]
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input = tuple.get(3, file + '.m4')
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# we do this here because install_data does not accept custom_target output
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conds = tuple[1].split(' ')
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install = ((conds.get(0, '') == '' or conf.get(conds[0]) == 1) and
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(conds.get(1, '') == '' or conf.get(conds[1]) == 1))
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custom_target(
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file,
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input : input,
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output: file,
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command : [meson_apply_m4, config_h, '@INPUT@'],
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capture : true,
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install : install,
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install_dir : systemunitdir)
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if tuple.length() > 2 and install
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foreach target : tuple[2].split()
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meson.add_install_script('meson-add-wants.sh', systemunitdir, target, file)
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endforeach
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endif
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endforeach
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foreach tuple : units
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file = tuple[0]
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input = tuple.get(3, file)
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conds = tuple[1].split(' ')
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install = ((conds.get(0, '') == '' or conf.get(conds[0]) == 1) and
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(conds.get(1, '') == '' or conf.get(conds[1]) == 1))
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if install
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install_data(input,
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install_dir : systemunitdir)
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if tuple.length() > 2
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foreach target : tuple[2].split()
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meson.add_install_script(
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'meson-add-wants.sh', systemunitdir, target, file)
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endforeach
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endif
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endif
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endforeach
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install_data('user-.slice.d/10-defaults.conf',
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install_dir : systemunitdir + '/user-.slice.d')
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############################################################
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meson.add_install_script(meson_make_symlink,
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join_paths(pkgsysconfdir, 'user'),
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join_paths(sysconfdir, 'xdg/systemd/user'))
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meson.add_install_script(meson_make_symlink,
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join_paths(dbussystemservicedir, 'org.freedesktop.systemd1.service'),
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join_paths(dbussessionservicedir, 'org.freedesktop.systemd1.service'))
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if conf.get('HAVE_SYSV_COMPAT') == 1
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foreach i : [1, 2, 3, 4, 5]
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meson.add_install_script(
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'sh', '-c',
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mkdir_p
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.format(join_paths(systemunitdir, 'runlevel@0@.target.wants'.format(i))))
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endforeach
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endif
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subdir('user')
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