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编辑当前文件:/var/lib/dpkg/info/snapd.postinst

#!/bin/sh

set -e

# "powerpc" is not supported unfortunately, do nothing here# 
if [ "$DPKG_MAINTSCRIPT_ARCH" = powerpc ]; then
    exit 0
fi

case "$1" in
    configure)
        # ensure /var/lib/snapd/lib/gl is cleared
        if dpkg --compare-versions "$2" lt-nl "2.0.7"; then
            ldconfig
        fi

# Ensure that we undo the damage done by the snap.mount unit that was present
        # in snapd 2.31.
        #
        # We found that update scripts make systemd stop inactive mount units and this
        # in turn stops all the units that depend on it so when the snap.mount unit is
        # stopped all the per-snap mount units gets stopped along with them.  The 2.31
        # release was only out briefly in xenial-proposed and bionic but to keep the
        # affected users safe let's start all the per-snap mount units so that snaps no
        # longer appear as broken after update.
        if dpkg --compare-versions "$2" ge-nl "2.31" && \
                dpkg --compare-versions "$2" lt-nl "2.32"; then
            units=$(systemctl list-unit-files --full | grep '^snap[-.]' | cut -f1 -d ' ' | grep -vF snap.mount.service || true)
            mounts=$(echo "$units" | grep '^snap[-.].*\.mount$' || true)
            for unit in $mounts; do
                # ensure its really a snap mount unit or systemd unit
                if ! grep -q 'What=/var/lib/snapd/snaps/' "/etc/systemd/system/$unit" && ! grep -q 'X-Snappy=yes' "/etc/systemd/system/$unit"; then
                    echo "Skipping non-snapd systemd unit $unit"
                    continue
                fi

echo "Starting $unit"
                deb-systemd-invoke start "$unit" || true
            done
        fi

# In commit 0dce4704a5d (2017-03-28, snapd v2.23.6) we renamed
        # /etc/apparmor.d/usr.lib.snap-confine to usr.lib.snap-confine.real
        # to fix LP: #1673247 - however some people (developers?) still have
        # the old usr.lib.snap-confine file. This seems to be loaded instead
        # of the correct usr.lib.snap-confine.real profile. To fix this we
        # use the rather blunt approach to rename the file forcefully.
        if test -f /etc/apparmor.d/usr.lib.snapd.snap-confine && test -f /etc/apparmor.d/usr.lib.snapd.snap-confine.real; then
            mv /etc/apparmor.d/usr.lib.snapd.snap-confine /etc/apparmor.d/usr.lib.snapd.snap-confine.dpkg-bak
        fi

# Ensure that the void directory has correct permissions.
        chmod 111 /var/lib/snapd/void

# Ubuntu 20.04 had a incorrect seed directory during development.
        #
        # This was causing hangs in the postinst when systemctl tries to
        # start snapd.seeded.service which will wait for snapd to finish
        # seeding (which will never happen because seeding is broken).
        # See LP: 1868706
        # This snippet detect this incorrect seed and disables it.
        if [ -e /var/lib/snapd/seed/seed.yaml ] && [ "$(snap debug state --is-seeded /var/lib/snapd/state.json)" = "false" ]; then
            if ! snap debug validate-seed /var/lib/snapd/seed/seed.yaml; then
                echo "Found incorrect seed, disabling it"
                mv /var/lib/snapd/seed /var/lib/snapd/seed.disabled
            fi
        fi

# ensure "snap userd" is restarted
        if dpkg --compare-versions "$2" lt-nl "2.45.2"; then
            pkill -f "snap userd" || true
        fi
esac

# Automatically added by dh_apparmor/3.0.4-2ubuntu2.4
if [ "$1" = "configure" ]; then
    APP_PROFILE="/etc/apparmor.d/usr.lib.snapd.snap-confine.real"
    if [ -f "$APP_PROFILE" ]; then
        # Add the local/ include
        LOCAL_APP_PROFILE="/etc/apparmor.d/local/usr.lib.snapd.snap-confine.real"

test -e "$LOCAL_APP_PROFILE" || {
            mkdir -p `dirname "$LOCAL_APP_PROFILE"`
            install --mode 644 /dev/null "$LOCAL_APP_PROFILE"
        }

# Reload the profile, including any abstraction updates
        if aa-enabled --quiet 2>/dev/null; then
            apparmor_parser -r -T -W "$APP_PROFILE" || true
        fi
    fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.apparmor.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.apparmor.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.apparmor.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.apparmor.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.autoimport.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.autoimport.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.autoimport.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.autoimport.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.core-fixup.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.core-fixup.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.core-fixup.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.core-fixup.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.recovery-chooser-trigger.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.recovery-chooser-trigger.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.recovery-chooser-trigger.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.recovery-chooser-trigger.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.seeded.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.seeded.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.seeded.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.seeded.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.snap-repair.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.snap-repair.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.snap-repair.timer' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.snap-repair.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.socket' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.socket'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.socket' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.socket' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_enable/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'snapd.system-shutdown.service' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'snapd.system-shutdown.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'snapd.system-shutdown.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'snapd.system-shutdown.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# In case this system is running systemd, we need to ensure that all
	# necessary tmpfiles (if any) are created before starting.
	if [ -z "${DPKG_ROOT:-}" ] && [ -d /run/systemd/system ] ; then
		systemd-tmpfiles --create snapd.conf >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'snapd.socket' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'snapd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_systemd_start/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'snapd.apparmor.service' 'snapd.autoimport.service' 'snapd.core-fixup.service' 'snapd.failure.service' 'snapd.mounts-pre.target' 'snapd.mounts.target' 'snapd.recovery-chooser-trigger.service' 'snapd.seeded.service' 'snapd.snap-repair.service' 'snapd.snap-repair.timer' 'snapd.system-shutdown.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/apparmor.d/usr.lib.snapd.snap-confine 2.23.6~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/grub.d/09_snappy 1.7.3ubuntu1 -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/ld.so.conf.d/snappy.conf 2.0.7~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/sudoers.d/99-snapd.conf 2.50~ -- "$@"
# End automatically added section