gentoo/initrd.splash

   1 # Copyright 1999-2005 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 #
   4 # Author: Michal Januszewski <spock@gentoo.org>
   5 # Maintainer: Michal Januszewski <spock@gentoo.org>
   6 #
   7 # This file is a part of splashutils.
   8 #
   9 # NOTE: The code here has to be compatible with ash and with the busybox
  10 #       versions of all the standard system utilities. That means: no
  11 #       extended regular expressions, no pattern substitution in variables,
  12 #       and no fancy GNU command line options.
  13
  14 splash() {
  15         local cmd="$1"
  16         splash_setup
  17
  18         [ ! -x /sbin/fbcondecor_helper ] && return
  19         [ "${SPLASH_MODE_REQ}" != 'silent' ] && return
  20
  21         case "${cmd}" in
  22                 set_msg)
  23                         export BOOT_MSG="$2"
  24                         /sbin/fbcondecor_helper 2 'repaint'
  25                         ;;
  26                 init)
  27                         if [ -n "$2" ]; then
  28                                 export BOOT_MSG="$2"
  29                         elif [ "${CDROOT}" -eq '1' ]; then
  30                                 export BOOT_MSG="Preparing the LiveCD environment... Press Alt+F1 for verbose mode."
  31                         else
  32                                 export BOOT_MSG="Preparing the system for boot... Press Alt+F1 for verbose mode."
  33                         fi
  34                         /sbin/fbcondecor_helper 2 'repaint'
  35                         ;;
  36                 verbose)
  37                         if [ -x /bin/chvt ]; then
  38                                 /bin/chvt 1
  39                         elif [ -x /bin/busybox ]; then
  40                                 /bin/busybox chvt 1
  41                         fi
  42                         ;;
  43         esac
  44 }
  45
  46 splash_setup() {
  47         # If it's already set up, let's not waste time on parsing the config
  48         # files again
  49         if [ "${SPLASH_THEME}" != '' -a "${SPLASH_TTY}" != '' -a "$1" != 'force' ]; then
  50                 return 0
  51         fi
  52
  53         export SPLASH_MODE_REQ="off"
  54         export SPLASH_THEME="default"
  55         export SPLASH_TTY="16"
  56         export SPLASH_KDMODE="TEXT"
  57
  58         if [ -f /proc/cmdline ]; then
  59                 options=$(sed -e 's/.*splash=\([^ ]*\).*/\1/' -e 's/,/ /g' /proc/cmdline)
  60
  61                 for i in ${options} ; do
  62                         case ${i%:*} in
  63                                 theme)          SPLASH_THEME=${i#*:} ;;
  64                                 tty)            SPLASH_TTY=${i#*:} ;;
  65                                 verbose)        SPLASH_MODE_REQ="verbose" ;;
  66                                 silent)         SPLASH_MODE_REQ="silent" ;;
  67                                 kdgraphics)     SPLASH_KDMODE="GRAPHICS" ;;
  68                         esac
  69                 done
  70         fi
  71 }