scripts/build/chroot_proc

   1 #!/bin/sh
   2
   3 ## live-build(7) - System Build Scripts
   4 ## Copyright (C) 2006-2014 Daniel Baumann <mail@daniel-baumann.ch>
   5 ##
   6 ## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
   7 ## This is free software, and you are welcome to redistribute it
   8 ## under certain conditions; see COPYING for details.
   9
  10
  11 set -e
  12
  13 # Including common functions
  14 [ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
  15
  16 # Setting static variables
  17 DESCRIPTION="$(Echo 'mount /proc')"
  18 HELP=""
  19 USAGE="${PROGRAM} {install|remove} [--force]"
  20
  21 Arguments "${@}"
  22
  23 # Reading configuration files
  24 Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
  25 Set_defaults
  26
  27 # Requiring stage file
  28 Require_stagefile .build/config .build/bootstrap
  29
  30 case "${1}" in
  31         install)
  32                 Echo_message "Begin mounting /proc..."
  33
  34                 # Checking stage file
  35                 Check_stagefile .build/chroot_proc
  36
  37                 # Checking lock file
  38                 Check_lockfile .lock
  39
  40                 # Creating lock file
  41                 Create_lockfile .lock
  42
  43                 # Creating mountpoint
  44                 mkdir -p chroot/proc
  45
  46                 # Mounting /proc
  47                 mount proc-live -t proc chroot/proc
  48
  49                 # Creating stage file
  50                 Create_stagefile .build/chroot_proc
  51                 ;;
  52
  53         remove)
  54                 Echo_message "Begin unmounting /proc..."
  55
  56                 # Checking lock file
  57                 Check_lockfile .lock
  58
  59                 # Creating lock file
  60                 Create_lockfile .lock
  61
  62                 # Workaround binfmt-support /proc locking
  63                 if [ -e chroot/proc/sys/fs/binfmt_misc/status ]
  64                 then
  65                         umount chroot/proc/sys/fs/binfmt_misc
  66                 fi
  67
  68                 # Unmounting /proc
  69                 if [ -e chroot/proc/version ]
  70                 then
  71                         umount chroot/proc
  72                 fi
  73
  74                 # Removing stage file
  75                 rm -f .build/chroot_proc
  76                 ;;
  77
  78         *)
  79                 Usage
  80                 ;;
  81 esac