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#!/bin/sh
########################################################################
# Begin cleanfs
#
# Description : Clean file system
#
# Authors : Gerard Beekmans - gerard@linuxfromscratch.org
# DJ Lucas - dj@linuxfromscratch.org
# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version : LFS 7.0
#
########################################################################
### BEGIN INIT INFO
# Provides: cleanfs
# Required-Start: $local_fs
# Should-Start:
# Required-Stop:
# Should-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Cleans temporary directories early in the boot process.
# Description: Cleans temporary directories /run, /var/lock, and
# optionally, /tmp. cleanfs also creates /run/utmp
# and any files defined in /etc/sysconfig/createfiles.
# X-LFS-Provided-By: LFS
### END INIT INFO
. /lib/lsb/init-functions
# Function to create files/directory on boot.
create_files()
{
# Input to file descriptor 9 and output to stdin (redirection)
exec 9>&0 < /etc/sysconfig/createfiles
while read name type perm usr grp dtype maj min junk
do
# Ignore comments and blank lines.
case "${name}" in
""|\#*) continue ;;
esac
# Ignore existing files.
if [ ! -e "${name}" ]; then
# Create stuff based on its type.
case "${type}" in
dir)
mkdir "${name}"
;;
file)
:> "${name}"
;;
dev)
case "${dtype}" in
char)
mknod "${name}" c ${maj} ${min}
;;
block)
mknod "${name}" b ${maj} ${min}
;;
pipe)
mknod "${name}" p
;;
*)
log_warning_msg "\nUnknown device type: ${dtype}"
;;
esac
;;
*)
log_warning_msg "\nUnknown type: ${type}"
continue
;;
esac
# Set up the permissions, too.
chown ${usr}:${grp} "${name}"
chmod ${perm} "${name}"
fi
done
# Close file descriptor 9 (end redirection)
exec 0>&9 9>&-
return 0
}
case "${1}" in
start)
log_info_msg "Cleaning file systems:"
if [ "${SKIPTMPCLEAN}" = "" ]; then
log_info_msg2 " /tmp"
cd /tmp &&
find . -xdev -mindepth 1 ! -name lost+found -delete || failed=1
fi
> /run/utmp
if grep -q '^utmp:' /etc/group ; then
chmod 664 /run/utmp
chgrp utmp /run/utmp
fi
(exit ${failed})
evaluate_retval
if egrep -qv '^(#|$)' /etc/sysconfig/createfiles 2>/dev/null; then
log_info_msg "Creating files and directories... "
create_files # Always returns 0
evaluate_retval
fi
exit $failed
;;
*)
echo "Usage: ${0} {start}"
exit 1
;;
esac
# End cleanfs
|
