scripts/build/chroot_tmpfs

   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="$(Echo 'use tmpfs to speedup the build')"
  18 HELP=""
  19 USAGE="${PROGRAM} {install|remove} [--force]"
  20
  21 Arguments "${@}"
  22
  23 # Reading configuration files
  24 Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
  25 Set_defaults
  26
  27 if [ "${LB_BUILD_WITH_TMPFS}" != "true" ]
  28 then
  29         exit 0
  30 fi
  31
  32 # Requiring stage file
  33 Require_stagefile .build/config .build/bootstrap
  34
  35 case "${1}" in
  36         install)
  37                 Echo_message "Configuring tmpfs for /var/lib/dpkg"
  38
  39                 # Checking stage file
  40                 Check_stagefile .build/chroot_tmpfs
  41
  42                 # Checking lock file
  43                 Check_lockfile .lock
  44
  45                 # Creating lock file
  46                 Create_lockfile .lock
  47
  48                 mv chroot/var/lib/dpkg chroot/var/lib/dpkg.tmp
  49                 mkdir chroot/var/lib/dpkg
  50                 mount -t tmpfs tmpfs chroot/var/lib/dpkg
  51                 mv chroot/var/lib/dpkg.tmp/* chroot/var/lib/dpkg
  52                 rm -rf chroot/var/lib/dpkg.tmp
  53
  54                 # Creating stage file
  55                 Create_stagefile .build/chroot_tmpfs
  56                 ;;
  57
  58         remove)
  59                 Echo_message "Deconfiguring tmpfs for /var/lib/dpkg"
  60
  61                 # Checking lock file
  62                 Check_lockfile .lock
  63
  64                 # Creating lock file
  65                 Create_lockfile .lock
  66
  67                 mkdir -p chroot/var/lib/dpkg.tmp
  68                 mv chroot/var/lib/dpkg/* chroot/var/lib/dpkg.tmp
  69                 umount chroot/var/lib/dpkg
  70                 rm -rf chroot/var/lib/dpkg
  71                 mv chroot/var/lib/dpkg.tmp chroot/var/lib/dpkg
  72
  73                 # Removing stage file
  74                 rm -f .build/chroot_tmpfs
  75                 ;;
  76
  77         *)
  78                 Usage
  79                 ;;
  80 esac