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dragonheart |
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# Copyright 1999-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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dragonheart |
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# $Header: /var/cvsroot/gentoo-x86/eclass/savedconfig.eclass,v 1.2 2007/02/04 20:23:28 dragonheart Exp $
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dragonheart |
1.1 |
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# Original Author: Daniel Black <dragonheart@gentoo.org>
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#
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# Purpose: Define an interface for ebuilds to save and restore
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# complex configuration that may be edited by users.
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#
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dragonheart |
1.3 |
# Thanks to Mike Frysinger <vapier@gentoo.org> for the suggestions.
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dragonheart |
1.1 |
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dragonheart |
1.3 |
inherit portability
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dragonheart |
1.1 |
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IUSE="savedconfig"
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# save_config
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#
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# Saves the files and/or directories to
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# /etc/portage/savedconfig/${CATEGORY}/${PF}
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dragonheart |
1.3 |
#
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dragonheart |
1.1 |
# If a single file is specified ${PF} is that file else it is a directory
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# containing all specified files and directories.
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#
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save_config() {
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dragonheart |
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if [[ ${EBUILD_PHASE} != "install" ]]; then
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die "Bad package! save_config only for use in src_install functions!"
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fi
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dragonheart |
1.1 |
case $# in
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0) die "Tell me what to save"
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;;
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1) if [[ -f "$1" ]]; then
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dragonheart |
1.3 |
dodir /etc/portage/savedconfig/${CATEGORY}
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cp "$1" "${D}"/etc/portage/savedconfig/${CATEGORY}/${PF} \
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dragonheart |
1.1 |
|| die "Failed to save $1"
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else
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dragonheart |
1.3 |
dodir /etc/portage/savedconfig/${CATEGORY}/${PF}
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treecopy "$1" "${D}"/etc/portage/savedconfig/${CATEGORY}/${PF} \
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dragonheart |
1.1 |
|| die "Failed to save $1"
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fi
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;;
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*)
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dragonheart |
1.2 |
dodir "${PORTAGE_CONFIGROOT}"/etc/portage/savedconfig/${CATEGORY}/${PF}
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dragonheart |
1.3 |
treecopy $* "${D}/${PORTAGE_CONFIGROOT}"/etc/portage/savedconfig/${CATEGORY}/${PF} \
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dragonheart |
1.1 |
|| die "Failed to save $1"
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esac
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}
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# restore_config
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#
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# Restores the configuation saved ebuild previously potentially with user edits
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#
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# Requires the name of the file to restore to if a single file was given to
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# save_config. Otherwise it restores the directory structure.
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#
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# Looks for config files in the following order.
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dragonheart |
1.2 |
# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${PF}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${PF}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CATEGORY}/${PF}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${P}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${P}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CATEGORY}/${P}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${PN}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${PN}
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# ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CATEGORY}/${PN}
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dragonheart |
1.1 |
#
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#
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restore_config() {
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use savedconfig || return
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case ${EBUILD_PHASE} in
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unpack|compile)
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;;
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dragonheart |
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*) die "Bad package! restore_config only for use in src_unpack or src_compile functions!"
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dragonheart |
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;;
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esac
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local found;
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dragonheart |
1.2 |
local base=${PORTAGE_CONFIGROOT}/etc/portage/savedconfig
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dragonheart |
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for check in {${CATEGORY}/${PF},${CATEGORY}/${P},${CATEGORY}/${PN}}; do
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configfile=${base}/${CTARGET}/${check}
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[[ -r ${configfile} ]] || configfile=${base}/${CHOST}/${check}
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[[ -r ${configfile} ]] || configfile=${base}/${check}
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einfo "Checking existence of ${configfile} ..."
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if [[ -r "${configfile}" ]]; then
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einfo "found ${configfile}"
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found=${configfile};
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break;
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fi
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done
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if [[ -f ${found} ]]; then
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if [ $# -gt 0 ]; then
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cp -pPR "${found}" "$1" || die "Failed to restore ${found} to $1"
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else
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die "need to know the restoration filename"
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fi
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elif [[ -d ${found} ]]; then
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dest=${PWD}
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pushd "${found}"
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dragonheart |
1.3 |
treecopy . "${dest}" \
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dragonheart |
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|| die "Failed to restore ${found} to $1"
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popd
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elif [[ -a {found} ]]; then
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die "do not know how to handle non-file/directory ${found}"
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else
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eerror "No saved config to restore - please remove USE=saveconfig or"
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dragonheart |
1.2 |
die "provide a configuration file in ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CATEGORY}/${PN}"
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dragonheart |
1.1 |
fi
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}
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