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|
#!/bin/sh
set -u
# This should be maintained in order of compatibility, i.e. each arch can also
# run programs built for the arches before it.
ARCHES='i686 amd64'
# Description CPU Plat
PLATS='
Acer Aspire One AO751h i686 ao751h
Dell Dimension 2400 i686 dimension2400
'
main()
{
local opt=
local mirror=
local install_arch=
local host_arch=
local host_plat=
while getopts 'm:' opt; do
case ${opt} in
m) mirror="${OPTARG}";;
?)
print_usage >&2
exit 1
;;
esac
done
shift $(($OPTIND - 1))
if [ ${#} -ne 1 ]; then
print_usage >&2
exit 1
fi
root="${1}"
install_arch="$(detect_arch)"
read host_arch host_plat <<-EOF
$(prompt_plat)
EOF
host_arch="${host_arch}-${install_arch#*-}"
check_arch_compat "${install_arch}" "${host_arch}"
printf '\nInstalling base system'
printf '\n======================\n\n'
"${0%installers/pc.sh}./miniprokit.sh" install \
-a "${host_arch}" -P "${host_plat}" \
${mirror:+-m} ${mirror} "${root}"
"${0%installers/pc.sh}./miniprokit.sh" shell "${root}" \
<"${0%pc.sh}data/pc.sh"
}
print_usage()
{
printf 'Usage: %s [-m <mirror>] <root>\n' "${0}"
}
error()
{
local status=${1}
local fmt="${2}"
shift 2
printf "Error: ${fmt}\n" "${@}" >&2
exit ${status}
}
_select()
{
# Field width of the prompt numbers.
select_width=$(expr ${#} : '.*')
select_i=
while :; do
case "${select_i}" in
'')
select_i=0
for select_word in "${@}"; do
select_i=$(expr ${select_i} + 1)
printf "%${select_width}d) %s\\n" \
${select_i} "${select_word}" \
>&2
done
;;
*[!0-9]*)
printf 'Please enter a number in range.\n' >&2
;;
*)
if [ ${select_i} -gt 0 ] && \
[ ${select_i} -le ${#} ]; then
shift $(expr $select_i - 1)
select_result="${1}"
break
fi
printf 'Please enter a number in range.\n' >&2
;;
esac
# Prompt and read input.
printf '%s' "${PS3-#? }" >&2
read -r select_i || exit
done
}
detect_arch()
{
local uname_m=
local uname_s=
local arch=
uname_m="$( (uname -m) 2>/dev/null)" || uname_m='?'
uname_s="$( (uname -s) 2>/dev/null)" || uname_s='?'
case "${uname_m}:${uname_s}" in
'i686:Linux') arch='i686-linux-glibc';;
'x86_64:Linux') arch='amd64-linux-glibc';;
'?:?') error 2 'Architecture unknown';;
*) error 2 'Architecture unsupported';;
esac
printf '%s\n' "${arch}"
}
prompt_plat()
{
local desc=
local arch=
local plat=
set --
while IFS=' ' read -r desc arch plat; do
[ "x${desc}" = 'x' ] && continue
set -- "${@}" "${desc}"
done <<-EOF
${PLATS}
EOF
printf 'Select a platform:\n' >&2
_select "${@}"
while IFS=' ' read -r desc arch plat; do
if [ "x${desc}" = "x${select_result}" ]; then
printf '%s %s\n' "${arch}" "${plat}"
break
fi
done <<-EOF
${PLATS}
EOF
}
check_arch_compat()
{
local install_arch="${1}"
local host_arch="${2}"
local arches=
local install_cpu=
local host_cpu=
if [ "x${install_arch}" = "x${host_arch}" ]; then
return 0
fi
arches="$(printf ' %s ' ${ARCHES})"
install_cpu="${install_arch%%-*}"
host_cpu="${host_arch%%-*}"
if [ "x${arches#* ${host_cpu} * ${install_cpu} }" = "x${arches}" ]
then
error 2 'Cannot install a system of architecture %s on %s %s' \
"${host_arch}" 'a system of architecture' \
"${install_arch}"
fi
}
main "${@}"
|
