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✏️ Editing: man-db.postinst

#!/bin/sh
set -e

catdir=/var/cache/man

ensure_catdir () {
    if [ ! -d $catdir ]; then
	# Make sure the cat directory exists.
	install -d -o man -g man -m 0755 $catdir
    fi
}

run_mandb () {
    if [ ! -e /var/lib/man-db/auto-update ]; then
	echo "Not building database; man-db/auto-update is not 'true'." >&2
	return 0
    fi
    local message="$1"
    shift
    [ "$message" ] && echo "$message" >&2
    # start-stop-daemon isn't available when running from debootstrap.
    perl -e '@pwd = getpwnam("man"); $) = $( = $pwd[3]; $> = $< = $pwd[2];
	     exec "/usr/bin/mandb", @ARGV' -- "$@" || true
}

if [ "$1" = triggered ]; then
    ensure_catdir
    # We don't print a status message here, as dpkg already said
    # "Processing triggers for man-db ...".
    run_mandb "" -pq
    exit 0
fi

. /usr/share/debconf/confmodule
db_version 2.0

[ "$1" = configure ] || exit 0

maybesetuid='man mandb'

db_get man-db/install-setuid

if [ "$RET" = true ]; then
    # man and mandb are to be installed setuid man.
    owner=man:man
    mode=6755
else
    # man and mandb are not to be installed setuid.
    owner=root:root
    mode=0755
fi

for x in $maybesetuid; do
    # No statoverrides available or none exist for us ...
    if ! dpkg-statoverride --list /usr/bin/$x >/dev/null; then
	chown $owner /usr/bin/$x || true
	chmod $mode  /usr/bin/$x
    fi
done

ensure_catdir

# debconf forms the interface used to suppress man-db updates during
# automatic package builds (see https://bugs.debian.org/554914), but we
# cache that value in the file system to avoid having to use debconf when
# processing triggers.
db_get man-db/auto-update
if [ "$RET" = true ]; then
    touch /var/lib/man-db/auto-update
else
    rm -f /var/lib/man-db/auto-update
fi

build_db=0

if [ ! -f $catdir/index.db ]; then
    # Build the database from scratch on fresh installs.
    build_db=1
fi

if [ $build_db -eq 1 ]; then
    # Chances are we're being run from debootstrap, which will have problems
    # if mandb runs backgrounded for too long (bug #100616).
    run_mandb "Building database of manual pages ..." -cq
else
    # Otherwise, just update the database in the foreground. It's unlikely
    # to take very long, and configuration needs to cover everything that
    # happens when we're triggered.
    run_mandb "Updating database of manual pages ..." -pq
fi

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

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_installtmpfiles/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 man-db.conf >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/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 'man-db.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'man-db.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'man-db.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 'man-db.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/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 'man-db.service' 'man-db.timer' >/dev/null || true
	fi
fi
# End automatically added section

exit 0

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