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|
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit prefix
DESCRIPTION="Chained EPREFIX bootstrapping utility"
HOMEPAGE="https://prefix.gentoo.org/"
SRC_URI=""
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~ppc-aix ~x64-cygwin ~x86-linux ~sparc-solaris ~x86-solaris"
IUSE=""
DEPEND=""
RDEPEND=""
S="${WORKDIR}"
src_install() {
eprefixify ${PN}
sed -e "s,@GENTOO_PORTAGE_CHOST@,${CHOST}," -i ${PN}
dobin ${PN}
}
src_unpack() {
{ cat > "${PN}" || die; } <<'EOF'
#!/usr/bin/env bash
PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
CHILD_EPREFIX=
CHILD_PROFILE=
DO_MINIMAL=no
DO_SOURCES=no
PORT_TMPDIR=
#
# get ourselfs the functions.sh script for ebegin/eend/etc.
#
for f in \
/lib/gentoo/functions.sh \
/etc/init.d/functions.sh \
/sbin/functions.sh \
; do
if [[ -r ${PARENT_EPREFIX}${f} ]]; then
. "${PARENT_EPREFIX}${f}"
f=found
break
fi
done
if [[ ${f} != found ]]; then
echo "Cannot find Gentoo functions, aborting." >&2
exit 1
fi
for arg in "$@"; do
case "${arg}" in
--eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
--profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
--sources) DO_SOURCES=yes ;;
--portage-tmpdir=*) PORT_TMPDIR="${arg#--portage-tmpdir=}" ;;
--help)
einfo "$0 usage:"
einfo " --eprefix=[PATH] Path to new EPREFIX to create chained to the prefix"
einfo " where this script is installed (${PARENT_EPREFIX})"
einfo " --profile=[PATH] The absolute path to the profile to use. This path"
einfo " must point to a directory within ${PARENT_EPREFIX}"
einfo " --sources inherit 'source' statements from the parent make.conf"
einfo " --portage-tmpdir=DIR use DIR as portage temporary directory."
exit 0
;;
esac
done
#
# sanity check of given values
#
test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
if test -n "${PORT_TMPDIR}"; then
if ! test -d "${PORT_TMPDIR}"; then
einfo "creating temporary directory ${PORT_TMPDIR}"
mkdir -p "${PORT_TMPDIR}"
fi
fi
einfo "creating chained prefix ${CHILD_EPREFIX}"
#
# functions needed below.
#
eend_exit() {
eend $1
[[ $1 != 0 ]] && exit 1
}
#
# create the directories required to bootstrap the least.
#
ebegin "creating directory structure"
(
set -e
mkdir -p "${CHILD_EPREFIX}"/etc/portage
mkdir -p "${CHILD_EPREFIX}"/var/log
)
eend_exit $?
#
# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
#
ebegin "creating make.conf"
(
set -e
echo "#"
echo "# The following values where taken from the parent prefix's"
echo "# environment. Feel free to adopt them as you like."
echo "#"
echo "CFLAGS=\"$(portageq envvar CFLAGS)\""
echo "CXXFLAGS=\"$(portageq envvar CXXFLAGS)\""
echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
niceness=$(portageq envvar PORTAGE_NICENESS || true)
[[ -n ${niceness} ]] &&
echo "PORTAGE_NICENESS=\"${niceness}\""
echo "USE=\"prefix-chaining\""
echo
echo "# Mirrors from parent prefix."
echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
echo
echo "#"
echo "# Below comes the chained-prefix setup. Only change things"
echo "# if you know exactly what you are doing!"
echo "# by default, only DEPEND is inherited from the parent in"
echo "# the chain. if you want more, make it a comma seperated"
echo "# list - like this: DEPEND,RDEPEND,PDEPEN - which would the"
echo "# all that is possible"
echo "#"
echo "PORTDIR=\"$(portageq envvar PORTDIR)\""
echo "SYNC=\"$(portageq envvar SYNC || true)\""
if test -z "${PORT_TMPDIR}"; then
case "${CHILD_PROFILE}" in
*winnt*) echo "PORTAGE_TMPDIR=/var/tmp" ;;
*) echo "PORTAGE_TMPDIR=\"${CHILD_EPREFIX}/var/tmp\"" ;;
esac
else
echo "PORTAGE_TMPDIR=\"${PORT_TMPDIR}\""
fi
echo "READONLY_EPREFIX=\"${PARENT_EPREFIX}:DEPEND\""
if test "${DO_SOURCES}" == "yes"; then
# don't fail if nothing found
for f in /etc/portage/make.conf /etc/make.conf; do
if [[ -r ${PARENT_EPREFIX}${f} ]]; then
egrep "^source .*" "${PARENT_EPREFIX}${f}" 2>/dev/null || true
break;
fi
done
fi
) > "${CHILD_EPREFIX}"/etc/portage/make.conf
eend_exit $?
#
# create the make.profile symlinks.
#
ebegin "creating make.profile"
(
ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
)
eend_exit $?
#
# adjust permissions of generated files.
#
ebegin "adjusting permissions"
(
chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
)
eend_exit $?
#
# now merge some basics.
#
ebegin "installing required basic packages"
(
# this -pv is there to avoid the global update output, which is
# there on the first emerge run. (thus, just cosmetics).
PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" EPREFIX="${CHILD_EPREFIX}" emerge -p1qO baselayout-prefix > /dev/null 2>&1
set -e
PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" EPREFIX="${CHILD_EPREFIX}" emerge -1qO \
gentoo-functions baselayout-prefix elt-patches gnuconfig prefix-chain-utils
# merge with the parent's chost. this forces the use of the parent
# compiler, which generally would be illegal - this is an exception.
# This is required for example on winnt, because the wrapper has to
# be able to use/resolve symlinks, etc. native winnt binaries miss that
# ability, but interix binaries don't.
PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" EPREFIX="${CHILD_EPREFIX}" CHOST="${PARENT_CHOST}" emerge -1qO gcc-config
# select the chain wrapper profile from gcc-config
env -i "$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
# do this _AFTER_ selecting the correct compiler!
PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" EPREFIX="${CHILD_EPREFIX}" emerge -1qO libtool
)
eend_exit $?
#
# wow, all ok :)
#
ewarn
ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
ewarn
EOF
}
|
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