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#!/usr/bin/env bash
BOOTSTRAP="${BASH_SOURCE[0]%/*}/bootstrap-prefix.sh"
BOOTURL="http://rsync.prefix.bitzolder.nl/scripts/bootstrap-prefix.sh"
UPLOAD="rsync1.prefix.bitzolder.nl::gentoo-portage-bootstraps"
do_fetch() {
local FETCHCOMMAND
# Try to find a download manager, we only deal with wget,
# curl, FreeBSD's fetch and ftp.
if [[ x$(type -t wget) == "xfile" ]] ; then
FETCH_COMMAND="wget -O -"
[[ $(wget -h) == *"--no-check-certificate"* ]] && \
FETCH_COMMAND+=" --no-check-certificate"
elif [[ x$(type -t curl) == "xfile" ]] ; then
FETCH_COMMAND="curl -f -L"
else
echo "could not download ${1##*/}"
exit 1
fi
${FETCH_COMMAND} "${*}" || exit 1
}
do_prepare() {
local bitw=$1
local dte=$2
local bootstrap
if [[ -n ${RESUME} && -n ${bitw} && -n ${dte} ]] ; then
bootstrap=${OVERRIDE_EPREFIX:-bootstrap${bitw}-${dte}}/bootstrap-prefix.sh
elif [[ -n ${DOLOCAL} ]] ; then
bootstrap=${BOOTSTRAP}
else
bootstrap=dobootstrap-do_prepare-$$
do_fetch ${BOOTURL} > ${bootstrap}
fi
local chost=$(${BASH} ${bootstrap} chost.guess x)
case ${chost} in
*86-*)
if [[ ${bitw} == 64 ]] ; then
chost=x86_64-${chost#*-}
else
bitw=32
chost=i386-${chost#*-}
fi
;;
x86_64-*)
if [[ ${bitw} == 32 ]] ; then
chost=i386-${chost#*-}
else
bitw=64
chost=x86_64-${chost#*-}
fi
;;
powerpc-*)
if [[ ${bitw} == 64 ]] ; then
chost=powerpc64-${chost#*-}
else
bitw=32
chost=powerpc-${chost#*-}
fi
;;
aarch64-*|arm64-*)
bitw=64
;;
sparc-*)
if [[ ${bitw} == 64 ]] ; then
chost=sparcv9-${chost#*-}
else
bitw=32
chost=sparc-${chost#*-}
fi
;;
sparcv9-*|sparc64-*)
if [[ ${bitw} == 32 ]] ; then
chost=sparc-${chost#*-}
else
bitw=64
chost=sparcv9-${chost#*-}
fi
;;
*)
echo "unhandled CHOST: ${chost}"
rm -f dobootstrap-do_prepare-$$
exit 1
;;
esac
[[ -z ${dte} ]] && dte=$(date "+%Y%m%d")
EPREFIX=${PWD}/bootstrap${bitw}-${dte}
[[ -n ${OVERRIDE_EPREFIX} ]] && EPREFIX=${OVERRIDE_EPREFIX}
local bootstrapscript=$(realpath ${BASH_SOURCE[0]} 2>/dev/null)
if [[ -z ${bootstrapscript} ]] ; then
local b=${BASH_SOURCE[0]}
cd "${b%/*}"
bootstrapscript=$(pwd -P)/${b##*/}
fi
echo "EPREFIX=${EPREFIX}"
mkdir -p "${EPREFIX}"
if [[ ${bootstrap} == dobootstrap-do_prepare-$$ ]] ; then
mv "${bootstrap}" "${EPREFIX}"/bootstrap-prefix.sh
elif [[ ${bootstrap} != "${EPREFIX}"/bootstrap-prefix.sh ]] ; then
cp "${bootstrap}" "${EPREFIX}"/bootstrap-prefix.sh
fi
cd "${EPREFIX}" || exit 1
# reminder: MAKE_CONF_ADDITIONAL_USE can be set to add global
# USE-flags in make.conf prior to stage2 (first emerge usage)
starttime=${SECONDS}
env -i \
HOME=${EPREFIX} \
SHELL=/bin/sh \
TERM=${TERM} \
USER=${USER} \
CHOST=${chost} \
EPREFIX=${EPREFIX} \
${GENTOO_MIRRORS+GENTOO_MIRRORS="${GENTOO_MIRRORS}"} \
${DOLOCAL+DOLOCAL=1} \
${RESUME+RESUME=1} \
${LATEST_TREE_YES+LATEST_TREE_YES=1} \
${TREE_FROM_SRC+TREE_FROM_SRC=}${TREE_FROM_SRC} \
${USE_CPU_CORES+USE_CPU_CORES=}${USE_CPU_CORES} \
${DARWIN_USE_GCC+DARWIN_USE_GCC=}${DARWIN_USE_GCC} \
${PREFIX_DISABLE_RAP+PREFIX_DISABLE_RAP=}${PREFIX_DISABLE_RAP} \
${BP_KEEPALIVE_ACTIVE+BP_KEEPALIVE_ACTIVE=}${BP_KEEPALIVE_ACTIVE} \
${BASH} ${bootstrapscript} bootstrap
endtime=${SECONDS}
if [[ -n ${DOPUBLISH} ]] ; then
echo $((endtime - starttime)) > elapsedtime
# massage CHOST on Linux systems
if [[ ${chost} == *-linux-* ]] ; then
# two choices here: x86_64_ubuntu16-linux-gnu
# x86_64-pc-linux-ubuntu16
# I choose the latter because it is compatible with most
# UNIX vendors
local dist=$(lsb_release -si)
local rel=$(lsb_release -sr)
if [[ -z ${dist} ]] || [[ -z ${rel} ]] ; then
source /etc/os-release # this may fail if the file isn't there
[[ -z ${dist} ]] && dist=${NAME}
[[ -z ${dist} ]] && dist=${ID}
[[ -z ${rel} ]] && rel=${VERSION_ID}
# Gentoo's versioning isn't really relevant, since it is
# a rolling distro
if [[ ${dist,,} == "gentoo" ]] ; then
rel=
[[ ${chost##*-} == "musl" ]] && rel="musl"
fi
fi
[[ -z ${dist} ]] && dist=linux
# leave rel unset/empty if we don't know about it
while [[ ${rel} == *.*.* ]] ; do
rel=${rel%.*}
done
local platform=pc
# this is the logic used in bootstrap-prefix.sh
[[ ${PREFIX_DISABLE_RAP} != "yes" ]] && platform=rap
chost=${chost%%-*}-${platform}-linux-${dist,,}${rel}
fi
rsync -q /dev/null ${UPLOAD}/${HOSTNAME}-$$/
rsync -q /dev/null ${UPLOAD}/${HOSTNAME}-$$/${chost}/
rsync -rltv \
--exclude=work/ \
--exclude=homedir/ \
--exclude=files \
--exclude=distdir/ \
--exclude=image/ \
{stage,.stage}* \
bootstrap-prefix.sh \
startprefix \
elapsedtime \
var/cache/distfiles \
var/tmp/portage \
var/log/emerge.log \
etc/portage/make.conf \
${UPLOAD}/${HOSTNAME}-$$/${chost}/${dte}/
rsync -q /dev/null \
${UPLOAD}/${HOSTNAME}-$$/${chost}/${dte}/push-complete/
fi
}
do_bootstrap() {
chmod 755 bootstrap-prefix.sh || exit 1
${BASH} ./bootstrap-prefix.sh ${EPREFIX} noninteractive
}
# re-exec under keepalive wrapper, such that the machine we're running
# on doesn't go to sleep, until we as top-level caller terminate
if [[ -z ${BP_KEEPALIVE_ACTIVE} ]] ; then
# optional program to keep the machine from sleeping
# macOS/BSD: caffeinate
keepalive=$(type -P caffeinate)
[[ -x ${keepalive} ]] && keepalive+=" -i -m -s" || keepalive=
if [[ -n ${keepalive} ]] ; then
export BP_KEEPALIVE_ACTIVE=1
exec ${keepalive} "${BASH_SOURCE[0]}" "${@}"
fi
fi
case $1 in
bootstrap)
do_bootstrap
;;
local)
export DOLOCAL=1
do_prepare $2
;;
resume)
export RESUME=1
do_prepare "$2" ${3:-${BOOTSTRAP_DATE}}
;;
*)
bitw=
if [[ ${0} == /net/* ]] ; then
echo "internal host, activating local and DOPUBLISH"
export DOLOCAL=1
export DOPUBLISH=1
export GENTOO_MIRRORS="http://distfileslocal http://distfiles.gentoo.org"
fi
for arg in "${@:1}" ; do
case "${arg}" in
latesttree) export LATEST_TREE_YES=1 ;;
norap|no-rap) export PREFIX_DISABLE_RAP=yes ;;
32|64) bitw=${arg} ;;
esac
done
do_prepare ${bitw}
;;
esac
|
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