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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
DESCRIPTION="Manage the /etc/make.profile symlink"
VERSION="1.0"
MAINTAINER="ka0ttic@gentoo.org"
# get a list of valid profiles
find_targets() {
arch=$(portageq envvar ARCH 2>/dev/null)
# $arch will be null if there's no current make.profile symlink
# we cannot get a list of valid profiles without it.
if [[ -z ${arch} ]] ; then
die -q "Failed to determine \${ARCH}. Is your make.profile symlink valid?"
fi
portdir=$(portageq portdir 2>/dev/null)
for p in $(sed -n -e "s|^${arch}[[:space:]]\+\([^[:space:]].*\)$|\1|p" \
${ROOT}/${portdir}/profiles/profiles.desc)
do
echo ${p}
done
}
# remove make.profile symlink
remove_symlink() {
rm "${ROOT}/etc/make.profile"
}
# set the make.profile symlink
set_symlink() {
portdir=$(portageq portdir 2>/dev/null)
target=${1}
if [[ -z "${target//[[:digit:]]}" ]] ; then
targets=( $(find_targets) )
target=${targets[$(( ${target} - 1 ))]}
fi
if [[ -z ${target} ]] ; then
die -q "Target \"${1}\" doesn't appear to be valid!"
elif [[ -d "${ROOT}/${portdir}/profiles/${target}" ]] ; then
# we must call remove_symlink() here instead of calling
# it from do_set(), since if the link is removed, we
# cannot determine $ARCH in find_targets()
if [[ -L "${ROOT}/etc/make.profile" ]] ; then
remove_symlink || \
die -q "Couldn't remove current make.profile symlink"
fi
pushd "${ROOT}/etc" 1>/dev/null
ln -s "../${portdir}/profiles/${target}" "make.profile"
popd 1>/dev/null
else
die -q "Target \"${1}\" doesn't appear to be valid!"
fi
}
### show action ###
describe_show() {
echo "Show the current make.profile symlink"
}
do_show() {
write_list_start "Current make.profile symlink:"
if [[ -L "${ROOT}/etc/make.profile" ]] ; then
link=$(readlink ${ROOT}/etc/make.profile)
portdir=$(portageq portdir 2>/dev/null)
link=${link##..${ROOT}/${portdir}/profiles/}
write_kv_list_entry "${link}" ""
else
write_kv_list_entry "(unset)" ""
fi
}
### list action ###
describe_list() {
echo "List available profile symlink targets"
}
do_list() {
targets=( $(find_targets) )
write_list_start "Available profile symlink targets:"
write_numbered_list "${targets[@]}"
}
### set action ###
describe_set() {
echo "Set a new profile symlink target"
}
do_set() {
if [[ -z ${1} ]] ; then
die -q "You didn't tell me what to set the symlink to"
elif [[ -e "${ROOT}/etc/make.profile" ]] &&
[[ ! -L "${ROOT}/etc/make.profile" ]] ; then
die -q "${ROOT}/etc/make.profile isn't a symlink"
else
set_symlink "${1}" || die -q "Couldn't set a new symlink"
fi
}
# vim: set ft=ebuild :
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