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#! /bin/bash
## vi: ai si et ts=4 sw=4 sts=4 bs=2 sta sr
ENV_me=$(basename $0);
ENV_medir="$(dirname $0)";
[ "$ENV_medir" = "." ] && ENV_medir="$(pwd)";
ENV_retval=0;
ENV_short_options='cs:m:V';
ENV_long_options='continue,site:,mainline:,verbose,quiet,help,version';
ENV_timestamp_in_log=0; # 0 = Disabled, 1 = Enabled
ENV_log="/dev/stderr";
ENV_verbosity=2;
ENV_debug=1;
ENV_tmpdir=""; ## Temporary directory. Defined later
ENV_version="0.0";
ENV_copyright_years="2008";
def_mainline="2.6";
def_site="http://www.kernel.org";
function print_help () {
cat <<-_HERE_
Usage: $ENV_me [OPTION]... [FILE]...
<DESCRIPTION HERE>.
Mandatory arguments to long options are mandatory for short options too.
--help display this help and exit
--version output version information and exit
_HERE_
}
function timestamp () {
echo "$(date +%F\ %T)";
}
function log () {
if [ "$ENV_timestamp_in_log" = "1" ]; then
echo "$ENV_me: $(timestamp): $@" | tee -a $log;
else
echo "$ENV_me: $(timestamp): $@";
fi
}
function debug () {
if [ "$ENV_debug" = 1 -o "$ENV_verbosity" = 3]; then
echo "$@";
fi
}
function error () {
if [ "$ENV_verbosity" -ge 1 ]; then
echo "$ENV_me: $@" 1>&2;
quit 1;
fi
}
function warn () {
if [ "$ENV_verbosity" -ge 1 ]; then
echo "$ENV_me: $@" 1>&2;
fi
}
function outn () {
if [ "$ENV_verbosity" -ge 2 ]; then
echo -n "$@";
fi
}
function out () {
if [ "$ENV_verbosity" -ge 2 ]; then
echo "$@";
fi
}
function outln () {
if [ "$ENV_verbosity" -ge 2 ]; then
echo -n "$@" | tee -a $ENV_log;
fi
}
function outl () {
if [ "$ENV_verbosity" -ge 2 ]; then
echo "$@" | tee -a $ENV_log;
fi
}
function quit () {
[ -d "$ENV_tmpdir" ] && rm -rf "$ENV_tmpdir";
exit $1;
}
function print_version () {
if [ "$ENV_package" != "" ]; then
version_str="$ENV_me ($ENV_package) $ENV_version";
else
version_str="$ENV_me $ENV_version";
fi
cat <<-_version_
$version_str
Copyright (C) ${ENV_copyright_years:-$(date +%Y)} Z Research, Inc.
_version_
}
function print_usage () {
warn "Try \`$ENV_me --help' for more information.";
if [ "$1" != "0" -a "$1" != "" ]; then
exit "$1";
fi
}
function parseargs () {
unset ${!OPT_@};
ARGV=($(getopt --shell bash --name $ENV_me \
--option "$ENV_short_options" \
--longoptions "$ENV_long_options" \
-- "$@")) || print_usage 1;
local index=0;
while [ "${ARGV[$index]}" != "--" ]; do
local opt="$(echo ${ARGV[$index]//-/_} | sed 's/^__\?//')";
eval local arg=${ARGV[$index+1]}; ## eval to get rid of 's
if [[ "${ARGV[$index+1]}" =~ ^$'\''.* ]]; then # To
## debug "Setting OPT_$opt = $arg";
eval OPT_${opt}=$arg;
index=$((index+1));
else
## debug "Incrementing OPT_$opt";
eval OPT_$opt=$((OPT_$opt+1));
fi
index=$((index+1));
done
eval ARGV=("${ARGV[@]:$index+1}");
}
function make_tmp_dir () {
local dirname="$ENV_me.$RANDOM.$RANDOM.$RANDOM.$$.XXXX";
umask 077;
ENV_tmpdir="$(mktemp -d ${tmpdir:-/tmp}/$dirname)";
[ -z "$ENV_tmpdir" ] || [ ! -d "$ENV_tmpdir" ] && {
warn "Unable to create temporary directory. Exiting ..";
return 1;
}
return 0;
}
function get_tarball () {
url="$1";
filename=$(basename $url);
basedir=$(pwd);
[ -f "$filename" ] && {
[ "$OPT_continue" != "1" ] && error "$filename: file exists.";
}
wget -c $url;
## out "Updating Timestamps ..";
## $UPDATE_TIMESTAMP "$filename";
return 0;
}
function get_latest_tarball () {
basedir=$(pwd);
cd $ENV_tmpdir;
echo -n "Retreiving listing [ $ENV_site ] ... ";
wget -q "$ENV_site";
echo "Done";
latest=$(sed -n '/The latest stable version of the Linux kernel is/,/<\/tr>/p' index.html | \
sed -n 's/.*"\(.*\)">F<.*/\1/p');
[ "$latest" = "" ] && error "$ENV_site: No tarball found";
cd $basedir;
url="$ENV_site$latest";
get_tarball "$url";
return 0;
}
function init () {
parseargs "$@";
set -e;
[ "$OPT_help" = "1" ] && print_help && quit 0;
[ "$OPT_version" = "1" ] && print_version && quit 0;
trap 'quit 255' 1 2 3 6 13 15;
make_tmp_dir || quit 1;
OPT_verbosity=$((${OPT_verbose:-0} + ${OPT_v:-0}));
ENV_mainline=${OPT_mainline:-${OPT_m:-$def_mainline}};
ENV_site=${OPT_site:-${OPT_s:-$def_site}};
return 0;
}
function main () {
filename=;
if [ ${#ARGV[@]} = 0 ]; then
out "No input specified. Fetching latest kernel tarball ..";
get_latest_tarball;
elif [[ "${ARGV[0]}" =~ ^http|ftp ]]; then
out "URL detected. Fetching from URL ..";
get_tarball "$@";
elif [ -f "${ARGV[0]}" ]; then
filename=$(basename ${ARGV[0]});
if [[ ("${ARGV[0]}" =~ /) && ("${ARGV[0]::2}" != "./") ]]; then
out "File detected. Copying from location ..";
cp "${ARGV[0]}" .;
fi
else
error "${ARGV[0]}: Unknown input method";
fi
out "Extracting Tarball ..";
tar -jxf $filename;
cd ${filename%.tar.bz2};
find . -exec touch '{}' \;
out "Making allmodconfig";
make allmodconfig;
out "Making depmod ..";
#make depmod;
out "Making bzImage ..";
make bzImage;
out "Making modules ..";
make modules;
quit 0;
}
init "$@" && main "$@";
quit $ENV_retval;
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