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#!/bin/sh
#
# man-db cron daily
set -e
if [ -d /run/systemd/system ]; then
# Skip in favour of systemd timer.
exit 0
fi
# This should be set by cron, but apparently isn't always; see
# https://bugs.debian.org/209185. Add fallbacks so that start-stop-daemon
# can be found.
export PATH="$PATH:/usr/local/sbin:/usr/sbin:/sbin"
iosched_idle=
# Don't try to change I/O priority in a vserver or OpenVZ.
if ! grep -Eq '(envID|VxID):.*[1-9]' /proc/self/status && \
{ [ ! -d /proc/vz ] || [ -d /proc/bc ]; }; then
iosched_idle='--iosched idle'
fi
if ! [ -d /var/cache/man ]; then
# Recover from deletion, per FHS.
install -d -o man -g man -m 0755 /var/cache/man
fi
# expunge old catman pages which have not been read in a week
if [ -d /var/cache/man ]; then
cd /
# shellcheck disable=SC2086
start-stop-daemon --start --pidfile /dev/null --startas /bin/sh \
--oknodo --chuid man $iosched_idle -- -c \
"find /var/cache/man -type f -name '*.gz' -atime +6 -print0 | \
xargs -r0 rm -f"
fi
# regenerate man database
if [ -x /usr/bin/mandb ]; then
# --pidfile /dev/null so it always starts; mandb isn't really a daemon,
# but we want to start it like one.
# shellcheck disable=SC2086
start-stop-daemon --start --pidfile /dev/null \
--startas /usr/bin/mandb --oknodo --chuid man \
$iosched_idle \
-- --no-purge --quiet
fi
exit 0
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