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#!/bin/bash
sd_booted() {
[[ -d run/systemd/system && ! -L run/systemd/system ]]
}
add_privs() {
if ! setcap "$2" "$1" 2>/dev/null; then
echo "==> Warning: setcap failed, falling back to setuid root on /$1"
chmod u+s "$1"
fi
}
add_journal_acls() {
# ignore errors, since the filesystem might not support ACLs
setfacl -Rnm g:wheel:rx,d:g:wheel:rx,g:adm:rx,d:g:adm:rx var/log/journal/ 2>/dev/null
:
}
maybe_reexec() {
# don't reexec on 209-1 upgrade due to large infrastructural changes.
if [[ $(vercmp 209-1 "$2") -eq 1 ]]; then
echo ':: systemd has not been reexecuted. It is recommended that you'
echo ' reboot at your earliest convenience.'
return
fi
if sd_booted; then
systemctl --system daemon-reexec
fi
}
_dir_empty() {
set -- "$1"/*
[[ ! -e $1 && ! -L $1 ]]
}
post_common() {
systemd-sysusers
udevadm hwdb --update
journalctl --update-catalog
}
_204_1_changes() {
printf '==> The /bin/systemd symlink has been removed. Any references in your\n'
printf ' bootloader (or elsewhere) must be updated to /usr/lib/systemd/systemd.\n'
}
_205_1_changes() {
printf '==> systemd 205 restructures the cgroup hierarchy and changes internal\n'
printf ' protocols. You should reboot at your earliest convenience.\n'
}
_206_1_changes() {
printf '==> The "timestamp" hook for mkinitcpio no longer exists. If you used\n'
printf ' this hook, you must remove it from /etc/mkinitcpio.conf. A "systemd"\n'
printf ' hook has been added which provides this functionality, and more.\n'
}
_208_1_changes() {
if [[ -e var/lib/backlight && ! -e var/lib/systemd/backlight ]]; then
mv -T var/lib/backlight var/lib/systemd/backlight
fi
if [[ -e var/lib/random-seed && ! -e var/lib/systemd/random-seed ]]; then
mv -T var/lib/random-seed var/lib/systemd/random-seed
fi
}
_208_8_changes() {
add_journal_acls
}
_209_1_changes() {
# attempt to preserve existing behavior
local old_rule=etc/udev/rules.d/80-net-name-slot.rules
local new_rule=etc/udev/rules.d/80-net-setup-link.rules
echo ":: Network device naming is now controlled by udev's net_setup_link"
echo " builtin. Refer to the systemd.link manpage for a full description."
# not clear what action we can take here, so don't do anything
[[ -e $new_rule ]] && return 0
# rename the old rule to the new one so that we preserve the user's
# existing option.
if [[ -e $old_rule ]]; then
printf ':: Renaming %s to %s in order\n' "${old_rule##*/}" "${new_rule##*/}"
printf ' to preserve existing network naming behavior.\n'
mv -v "$old_rule" "$new_rule"
else
echo ':: No changes have been made to your network naming configuration.'
echo ' Interfaces should continue to maintain the same names.'
fi
}
_210_1_changes() {
if sd_booted; then
# If /etc/systemd/network is non-empty, then this is a 209 user who used
# networkd. Re-enable it for them.
if ! _dir_empty etc/systemd/network; then
systemctl enable systemd-networkd
fi
fi
}
_213_4_changes() {
if sd_booted; then
# if /etc/resolv.conf is a symlink, just assume that it was being managed
# by systemd-networkd, and re-enable systemd-resolved.
if [[ -L etc/resolv.conf ]]; then
systemctl enable systemd-resolved
fi
fi
}
_214_2_changes() {
# /run/systemd/network/resolv.conf -> /run/systemd/resolve/resolv.conf
if [[ etc/resolv.conf -ef run/systemd/network/resolv.conf ]]; then
ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf
if sd_booted; then
if [[ ! -d run/systemd/resolve ]]; then
mkdir run/systemd/resolve
fi
if [[ -f run/systemd/network/resolv.conf ]]; then
mv run/systemd/{network,resolve}/resolv.conf
fi
fi
fi
echo ':: coredumps are no longer sent to the journal by default. To re-enable:'
echo ' echo >/etc/sysctl.d/50-coredump.conf \'
echo ' "kernel.core_pattern=|/usr/lib/systemd/systemd-coredump %p %u %g %s %t %e"'
}
_215_2_changes() {
# create at least the symlink from /etc/os-release to /usr/lib/os-release
systemd-tmpfiles --create etc.conf
}
_216_2_changes() {
echo ':: Coredumps are handled by systemd by default. Collection behavior can be'
echo ' tuned in /etc/systemd/coredump.conf.'
}
post_install() {
# because systemd can't sanely manage this meanial task...
uuidgen | {
read
echo "${REPLY//-}">etc/machine-id
}
post_common "$@"
add_journal_acls
# enable getty@tty1 by default, but don't track the file
systemctl enable getty@tty1.service
echo ":: Append 'init=/usr/lib/systemd/systemd' to your kernel command line in your"
echo " bootloader to replace sysvinit with systemd, or install systemd-sysvcompat"
}
post_upgrade() {
post_common "$@"
maybe_reexec "$@"
local v upgrades=(204-1
205-1
206-1
208-1
208-8
209-1
210-1
213-4
214-2
215-2
216-2)
for v in "${upgrades[@]}"; do
if [[ $(vercmp "$v" "$2") -eq 1 ]]; then
"_${v//-/_}_changes"
fi
done
}
# vim:set ts=2 sw=2 et:
|
