bootscripts/lfs/init.d/cleanfs

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/cleanfs
   4 #
   5 # Description : Clean file system
   6 #
   7 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
   8 #
   9 # Version     : 00.00
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 # Function to create files/directory on boot.
  19 create_files() {
  20         # Read in the configuration file.
  21         exec 9>&0 < /etc/sysconfig/createfiles
  22                 while read name type perm usr grp dtype maj min junk
  23                 do
  24
  25                         # Ignore comments and blank lines.
  26                         case "${name}" in
  27                                 ""|\#*) continue ;;
  28                         esac
  29
  30                         # Ignore existing files.
  31                         if [ ! -e "${name}" ]; then
  32                                 # Create stuff based on its type.
  33                                 case "${type}" in
  34                                         dir)
  35                                                 mkdir "${name}"
  36                                                 ;;
  37                                         file)
  38                                                 :> "${name}"
  39                                                 ;;
  40                                         dev)
  41                                                 case "${dtype}" in
  42                                                         char)
  43                                                                 mknod "${name}" c ${maj} ${min}
  44                                                                 ;;
  45                                                         block)
  46                                                                 mknod "${name}" b ${maj} ${min}
  47                                                                 ;;
  48                                                         pipe)
  49                                                                 mknod "${name}" p
  50                                                                 ;;
  51                                                         *)
  52                                                                 boot_mesg -n "\nUnknown device type: ${dtype}" ${WARNING}
  53                                                                 boot_mesg "" ${NORMAL}
  54                                                                 ;;
  55                                                 esac
  56                                                 ;;
  57                                         *)
  58                                                 boot_mesg -n "\nUnknown type: ${type}" ${WARNING}
  59                                                 boot_mesg "" ${NORMAL}
  60                                                 continue
  61                                                 ;;
  62                                 esac
  63
  64                                 # Set up the permissions, too.
  65                                 chown ${usr}:${grp} "${name}"
  66                                 chmod ${perm} "${name}"
  67                         fi
  68                 done
  69         exec 0>&9 9>&-
  70 }
  71
  72 case "${1}" in
  73         start)
  74                 boot_mesg -n "Cleaning file systems:" ${INFO}
  75
  76                 boot_mesg -n " /tmp" ${NORMAL}
  77                 cd /tmp &&
  78                 find . -xdev -mindepth 1 ! -name lost+found \
  79                         -delete || failed=1
  80
  81                 > /var/run/utmp
  82
  83                 if grep -q '^utmp:' /etc/group ; then
  84                         chmod 664 /var/run/utmp
  85                         chgrp utmp /var/run/utmp
  86                 fi
  87
  88                 (exit ${failed})
  89                 evaluate_retval
  90
  91                 if egrep -qv '^(#|$)' /etc/sysconfig/createfiles 2>/dev/null; then
  92                         boot_mesg "Creating files and directories..."
  93                         create_files
  94                         evaluate_retval
  95                 fi
  96                 ;;
  97         *)
  98                 echo "Usage: ${0} {start}"
  99                 exit 1
 100                 ;;
 101 esac
 102
 103 # End $rc_base/init.d/cleanfs