X-Git-Url: https://git.grml.org/?a=blobdiff_plain;f=initramfs%2Fscripts%2Finit-top%2Fgrml;fp=initramfs%2Fscripts%2Finit-top%2Fgrml;h=43942ba3cbeecb323805050544f4f78491605edb;hb=229a51dfda4d619c47fb4b0ff94d4d952f61e62a;hp=0000000000000000000000000000000000000000;hpb=1a06f3f65adef0fdd432aad11f479020630778a5;p=grml-live.git

diff --git a/initramfs/scripts/init-top/grml b/initramfs/scripts/init-top/grml
new file mode 100755
index 0000000..43942ba
--- /dev/null
+++ b/initramfs/scripts/init-top/grml
@@ -0,0 +1,134 @@
+#!/bin/sh
+
+# helper functions {{{
+
+echo "debug: scripts/init-top/grml running"
+
+# get boot command line
+CMDLINE="$(cat /proc/cmdline)"
+
+# Simple shell grep
+stringinfile(){
+  case "$(cat $2)" in *$1*) return 0;; esac
+  return 1
+}
+
+# same for strings
+stringinstring(){
+  case "$2" in *$1*) return 0;; esac
+  return 1
+}
+
+# Reread boot command line; echo last parameter's argument or return false.
+getbootparam(){
+  stringinstring " $1=" "$CMDLINE" || return 1
+  result="${CMDLINE##*$1=}"
+  result="${result%%[   ]*}"
+  echo "$result"
+  return 0
+}
+
+# Check boot commandline for specified option
+checkbootparam(){
+  stringinstring " $1" "$CMDLINE"
+  return "$?"
+}
+
+if checkbootparam "nocolor" ; then
+  echo "Disabling colors in bootsequence as requested on commandline."
+  # Reset fb color mode
+  RESET="]R"
+  # ANSI COLORS
+  # Erase to end of line
+  CRE="
"
+  # Clear and reset Screen
+  CLEAR="c"
+else
+  # Reset fb color mode
+  RESET="]R"
+  # ANSI COLORS
+  # Erase to end of line
+  CRE="
"
+  # Clear and reset Screen
+  CLEAR="c"
+  # Normal color
+  NORMAL=""
+  # RED: Failure or error message
+  RED=""
+  # GREEN: Success message
+  GREEN=""
+  # YELLOW: Descriptions
+  YELLOW=""
+  # BLUE: System mesages
+  BLUE=""
+  # MAGENTA: Found devices or drivers
+  MAGENTA=""
+  # CYAN: Questions
+  CYAN=""
+  # BOLD WHITE: Hint
+  WHITE=""
+fi
+
+log_grml_failure_msg () {
+  echo -n " ${RED}*${NORMAL} $@"
+}
+
+# int log_grml_begin_message (char *message)
+log_grml_begin_msg () {
+  echo -n " ${GREEN}*${NORMAL} $@"
+}
+
+log_grml_warn_msg () {
+  echo -n " ${YELLOW}*${NORMAL} $@"
+}
+
+# int log_grml_end_message (int exitstatus)
+SUCCESS=" ${BLUE}[ ${GREEN}ok ${BLUE}]${NORMAL}"
+FAILED=" ${NORMAL}[${RED}fail${NORMAL}]"
+
+# }}}
+
+# welcome splash {{{
+
+DISTRI="$(getbootparam 'distri' 2>/dev/null)"
+if [ -n "$DISTRI" ] ; then
+SPLASH="
+${RED} $DISTRI
+
+${WHITE}based on grml.org.
+
+${NORMAL}"
+else
+SPLASH="
+${RED}   ____ ____  __  __ _
+${RED}  / ___|  _ \|  \/  | |
+${RED} | |  _| |_) | |\/| | |
+${RED} | |_| |  _ <| |  | | |___
+${RED}  \____|_| \_\_|  |_|_____|
+
+${WHITE}grml.org - Linux for sysadmins and texttool users.
+${NORMAL}"
+fi
+
+echo ""
+echo "${WHITE}Welcome to"
+echo "$SPLASH"
+
+# don't output anything if running with bootsplash feature
+if checkbootparam "splash" ; then
+  exec >/dev/null </dev/null 2>&1
+fi
+# }}}
+
+# No kernel messages while probing modules:
+if ! grep -qe debug -qe verbose /proc/cmdline 2>/dev/null ; then
+   [ -r /proc/sys/kernel/printk ] && echo "0" > /proc/sys/kernel/printk
+fi
+
+if grep -q 'boot=live' /proc/cmdline 2>/dev/null ; then
+   log_grml_begin_msg "Finished early booting sequence." ; echo "$SUCCESS"
+   log_grml_begin_msg "Searching for GRML file, this might take a few seconds..."
+   echo 
+fi
+
+# vim: foldmethod=marker expandtab ai ft=sh