systemd.postinst 4.72 KB
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#! /bin/sh

set -e

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_systemctl() {
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    if [ -d /run/systemd/system ]; then
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        systemctl "$@"
    fi
}

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_update_catalog() {
    journalctl --update-catalog || true
}

# Update Message Catalogs database in response to dpkg trigger
if [ "$1" = "triggered" ]; then
    _update_catalog
    exit 0
fi

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# Enable getty and remote-fs.target by default on new installs, and on
# upgrades from old systemd versions (where the symlinks included as deb
# content, and will thus have been removed by dpkg during the upgrade).
if dpkg --compare-versions "$2" lt "214-1"; then
    systemctl enable getty@tty1.service || true
    systemctl enable remote-fs.target || true
fi

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# Cleanup state files from the auto-enabler which we used in wheezy
if dpkg --compare-versions "$2" lt "204-1"; then
    rm -f /var/lib/systemd/enabled-units
    rm -f /var/lib/systemd/run-debian-enable-units
    rm -f /var/lib/systemd/*.symlinks
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fi

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# Do a one-time migration of the local time setting
if dpkg --compare-versions "$2" lt "33-1"; then
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    if [ -f /etc/default/rcS ]; then
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        . /etc/default/rcS
    fi
    if [ "$UTC" = "no" ] && [ ! -e /etc/adjtime ]; then
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        printf "0.0 0 0.0\n0\nLOCAL" > /etc/adjtime
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    fi
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fi

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# Do a one-time migration of the TMPTIME setting
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if dpkg --compare-versions "$2" lt "204-9"; then
    # Fix up potentially broken tmp.conf, see Debian#738862
    if [ -e /etc/tmpfiles.d/tmp.conf ]; then
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        sed -i '/^# Clear \/var\/tmp/d' /etc/tmpfiles.d/tmp.conf
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        sed -i 's,^\(d /var/tmp\),#\1,g' /etc/tmpfiles.d/tmp.conf
    fi

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    if [ -f /etc/default/rcS ]; then
        . /etc/default/rcS
    fi
    if [ ! -e /etc/tmpfiles.d/tmp.conf ]; then
        case "$TMPTIME" in
            -*|infinite|infinity)
                cat > /etc/tmpfiles.d/tmp.conf <<EOF
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# Avoid clearing /tmp by shipping an empty /etc/tmpfiles.d/tmp.conf file
# which overrides /usr/lib/tmpfiles.d/tmp.conf.
# This file was automatically created because of local modifications in
# /etc/default/rcS where TMPTIME was set to infinite.
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EOF
                ;;
        esac
    fi
fi

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# Do a one-time migration of the RAMTMP setting
if dpkg --compare-versions "$2" lt "204-8"; then
    if [ -f /etc/default/rcS ]; then
        . /etc/default/rcS
    fi
    if [ -f /etc/default/tmpfs ]; then
        . /etc/default/tmpfs
    fi
    if [ "$RAMTMP" = "yes" ]; then
        # systemctl enable will work even when systemd is not the active PID 1.
        systemctl enable tmp.mount || true
    fi
fi

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if dpkg --compare-versions "$2" lt "40-1"; then
    # /lib/init/rw has been replaced by /run, so try to remove it on upgrades
    # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=643699
    _systemctl stop lib-init-rw.automount lib-init-rw.mount || true
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    if [ -d /lib/init/rw ]; then
        rmdir --ignore-fail-on-non-empty /lib/init/rw || true
    fi
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fi

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# Create /etc/machine-id
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systemd-machine-id-setup

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# Setup system users and groups
addgroup --quiet --system systemd-journal

adduser --quiet --system --group --no-create-home --home /run/systemd \
    --gecos "systemd Time Synchronization" systemd-timesync
adduser --quiet --system --group --no-create-home --home /run/systemd/netif \
    --gecos "systemd Network Management" systemd-network
adduser --quiet --system --group --no-create-home --home /run/systemd/resolve \
    --gecos "systemd Resolver" systemd-resolve
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adduser --quiet --system --group --no-create-home --home /run/systemd \
    --gecos "systemd Bus Proxy" systemd-bus-proxy
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# Initial update of the Message Catalogs database
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_update_catalog

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# Make systemd-detect-virt utility usable for non-root users
setcap cap_dac_override,cap_sys_ptrace=ep /usr/bin/systemd-detect-virt || true

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# We don’t ship /var/log/journal currently, so only run the following fix for
# systems where the administrator has explicitly enabled persistent logging by
# creating /var/log/journal.
if [ -d /var/log/journal ]; then
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    # Grant read access to /var/log/journal for members of the adm group
    # via a filesystem ACL. This makes them able to read the journal.
    # Failure is ignored since there might be file systems mounted without
    # ACL support.
    setfacl -R -nm g:adm:rx,d:g:adm:rx /var/log/journal || true
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fi
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# Re-run systemctl enable for any service that was enabled when preinst was run.
if dpkg --compare-versions "$2" ge "204"; then
    while read UNIT ; do
        systemctl enable $UNIT || true
    done </run/systemd/was-enabled || true
fi

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if [ -n "$2" ]; then
    _systemctl daemon-reexec || true
    _systemctl try-restart systemd-journald.service || true
    _systemctl try-restart systemd-logind.service || true
    _systemctl try-restart systemd-networkd.service || true
    _systemctl try-restart systemd-resolved.service || true
    _systemctl try-restart systemd-timesyncd.service || true
fi

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#DEBHELPER#