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dragonheart |
1.1 |
# Copyright 1999-2007 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header: $ |
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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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# TODO |
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# |
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# - Move away from cp --parents because BSD doesn't like it |
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# Should I be using: $PORTAGE_CONFIGROOT ???? Whatever it means, whereever it is |
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# documented. |
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IUSE="savedconfig" |
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# save_config |
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# |
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# Saves the files and/or directories to |
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# /etc/portage/savedconfig/${CATEGORY}/${PF} |
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# 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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case ${EBUILD_PHASE} in |
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preinst|install) |
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;; |
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*) die "Bad package! save_config only for use in pkg_preinst or src_install functions!" |
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;; |
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esac |
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case $# in |
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0) die "Tell me what to save" |
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;; |
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1) if [[ -f "$1" ]]; then |
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dodir /etc/portage/savedconfig/${CATEGORY} |
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cp "$1" "${D}"/etc/portage/savedconfig/${CATEGORY}/${PF} \ |
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|| die "Failed to save $1" |
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else |
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dodir /etc/portage/savedconfig/${CATEGORY}/${PF} |
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cp --parents -pPR "$1" "${D}"/etc/portage/savedconfig/${CATEGORY}/${PF} \ |
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|| die "Failed to save $1" |
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fi |
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;; |
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*) |
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dodir /etc/portage/savedconfig/${CATEGORY}/${PF} |
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while [ "$1" ]; do |
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cp --parents -pPR "$1" "${D}"/etc/portage/savedconfig/${CATEGORY}/${PF} \ |
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|| die "Failed to save $1" |
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shift |
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done |
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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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# ${ROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${PF} |
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# ${ROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${PF} |
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# ${ROOT}/etc/portage/savedconfig/${CATEGORY}/${PF} |
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# ${ROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${P} |
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# ${ROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${P} |
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# ${ROOT}/etc/portage/savedconfig/${CATEGORY}/${P} |
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# ${ROOT}/etc/portage/savedconfig/${CTARGET}/${CATEGORY}/${PN} |
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# ${ROOT}/etc/portage/savedconfig/${CHOST}/${CATEGORY}/${PN} |
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# ${ROOT}/etc/portage/savedconfig/${CATEGORY}/${PN} |
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# |
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# |
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restore_config() { |
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use savedconfig || return |
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case ${EBUILD_PHASE} in |
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unpack|compile) |
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;; |
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*) die "Bad package! save_config only for use in pkg_preinst or src_install functions!" |
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;; |
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esac |
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local found; |
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local base=${ROOT}/etc/portage/savedconfig |
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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 "${found}" |
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cp --parents . "${DEST}" \ |
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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 ${found}" |
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else |
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eerror "No saved config to restore - please remove USE=saveconfig or" |
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die "provide a configuration file in /etc/portage/savedconfig/${CATEGORY}/${PN}" |
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fi |
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} |
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#warn_config() { |
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# |
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#} |
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