Exheredludis/paludis/repositories/e/ebuild/0/eclass_functions.bash
2009-04-27 18:11:21 +01:00

100 lines
3.5 KiB
Bash

#!/usr/bin/env bash
# vim: set sw=4 sts=4 et :
# Copyright (c) 2006, 2007, 2009 Ciaran McCreesh
#
# Based in part upon ebuild.sh from Portage, which is Copyright 1995-2005
# Gentoo Foundation and distributed under the terms of the GNU General
# Public License v2.
#
# This file is part of the Paludis package manager. Paludis is free software;
# you can redistribute it and/or modify it under the terms of the GNU General
# Public License, version 2, as published by the Free Software Foundation.
#
# Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA
EXPORT_FUNCTIONS()
{
[[ -z "${ECLASS}" ]] && die "EXPORT_FUNCTIONS called but ECLASS undefined"
local e
for e in "$@" ; do
if [[ ${!PALUDIS_EBUILD_PHASE_VAR} != metadata ]] && { [[ "${e}" == builtin_* ]] || ! has "${e}" ${PALUDIS_EBUILD_FUNCTIONS}; }; then
ebuild_notice "qa" "$e should not be in EXPORT_FUNCTIONS for ${ECLASS}"
fi
eval "${e}() { ${ECLASS}_${e} \"\$@\" ; }"
done
}
inherit()
{
[[ -n "${PALUDIS_SKIP_INHERIT}" ]] && return
local e ee location v v_qa
for e in "$@" ; do
location=
for ee in ${ECLASSDIRS:-${ECLASSDIR}} ; do
[[ -f "${ee}/${e}.eclass" ]] && location="${ee}/${e}.eclass"
done
local old_ECLASS="${ECLASS}"
export ECLASS="${e}"
for v in ${PALUDIS_SOURCE_MERGED_VARIABLES} ${PALUDIS_BRACKET_MERGED_VARIABLES} ; do
local c_v="current_${v}" u_v="unset_${v}"
local ${c_v}="${!v}"
local ${u_v}="${!v-unset}"
unset ${v}
done
for v_qa in ${PALUDIS_ECLASS_MUST_NOT_SET_VARIABLES} ; do
local v=${v_qa#qa:}
local c_v="current_${v}" u_v="unset_${v}"
export -n ${c_v}="${!v}"
export -n ${u_v}="${!v-unset}"
done
[[ -z "${location}" ]] && die "Error finding eclass ${e}"
source "${location}" || die "Error sourcing eclass ${e}"
hasq "${ECLASS}" ${INHERITED} || export INHERITED="${INHERITED} ${ECLASS}"
for v in ${PALUDIS_SOURCE_MERGED_VARIABLES} ; do
local e_v="E_${v}"
export -n ${e_v}="${!e_v} ${!v}"
done
for v in ${PALUDIS_BRACKET_MERGED_VARIABLES} ; do
local e_v="E_${v}"
export -n ${e_v}="${!e_v} ( ${!v} )"
done
for v in ${PALUDIS_SOURCE_MERGED_VARIABLES} ${PALUDIS_BRACKET_MERGED_VARIABLES} ; do
local c_v="current_${v}" u_v="unset_${v}"
[[ "unset" == ${!u_v} ]] && unset ${v} || export ${v}="${!c_v}"
done
for v_qa in ${PALUDIS_ECLASS_MUST_NOT_SET_VARIABLES} ; do
local v=${v_qa#qa:}
local c_v="current_${v}" u_v="unset_${v}"
if [[ ${!c_v} != ${!v} || ${!u_v} != ${!v-unset} ]]; then
if [[ ${v} == ${v_qa} ]] ; then
die "Variable '${v}' illegally set by ${location}"
else
ebuild_notice "qa" "Variable '${v}' should not be set by ${location}"
export -n ${c_v}="${!v}"
export -n ${u_v}="${!v-unset}"
fi
fi
done
export ECLASS="${old_ECLASS}"
done
}