--- /dev/null
+# 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
+}
projects / gentoo.git / commitdiff