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eclass/savedconfig: Sync with gentoo

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It's from gentoo commit eb71dfec11e09ae40ae90f27305948097b6591a2.
This commit is contained in:
Krzesimir Nowak 2022-02-17 11:00:20 +01:00
parent cccd682d0e
commit c5dbf4fc5b
1 changed files with 44 additions and 43 deletions
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87
sdk_container/src/third_party/portage-stable/eclass/savedconfig.eclass vendored
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@ -1,9 +1,10 @@
# Copyright 1999-2011 Gentoo Foundation # Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2 # Distributed under the terms of the GNU General Public License v2
# @ECLASS: savedconfig.eclass # @ECLASS: savedconfig.eclass
# @MAINTAINER: # @MAINTAINER:
# base-system@gentoo.org # base-system@gentoo.org
# @SUPPORTED_EAPIS: 5 6 7
# @BLURB: common API for saving/restoring complex configuration files # @BLURB: common API for saving/restoring complex configuration files
# @DESCRIPTION: # @DESCRIPTION:
# It is not uncommon to come across a package which has a very fine # It is not uncommon to come across a package which has a very fine
@ -13,26 +14,31 @@
# so users can modify these config files and the ebuild will take it # so users can modify these config files and the ebuild will take it
# into account as needed. # into account as needed.
# #
# @ROFF .nr step 1 1
# Typically you can create your own configuration files quickly by # Typically you can create your own configuration files quickly by
# doing: # doing:
# @ROFF .IP \n[step] 3 #
# Build the package with FEATURES=noclean USE=savedconfig. # 1. Build the package with FEATURES=noclean USE=savedconfig.
# @ROFF .IP \n+[step] #
# Go into the build dir and edit the relevant configuration system # 2. Go into the build dir and edit the relevant configuration system
# (e.g. `make menuconfig` or `nano config-header.h`). You can look # (e.g. `make menuconfig` or `nano config-header.h`). You can look
# at the files in /etc/portage/savedconfig/ to see what files get # at the files in /etc/portage/savedconfig/ to see what files get
# loaded/restored. # loaded/restored.
# @ROFF .IP \n+[step] #
# Copy the modified configuration files out of the workdir and to # 3. Copy the modified configuration files out of the workdir and to
# the paths in /etc/portage/savedconfig/. # the paths in /etc/portage/savedconfig/.
# @ROFF .IP \n+[step] #
# Emerge the package with just USE=savedconfig to get the custom build. # 4. Emerge the package with just USE=savedconfig to get the custom
# build.
inherit portability inherit portability
IUSE="savedconfig" IUSE="savedconfig"
case ${EAPI} in
[5-7]) ;;
*) die "EAPI=${EAPI:-0} is not supported" ;;
esac
# @FUNCTION: save_config # @FUNCTION: save_config
# @USAGE: <config files to save> # @USAGE: <config files to save>
# @DESCRIPTION: # @DESCRIPTION:
@ -46,23 +52,21 @@ save_config() {
fi fi
[[ $# -eq 0 ]] && die "Usage: save_config <files>" [[ $# -eq 0 ]] && die "Usage: save_config <files>"
# Be lazy in our EAPI compat local configfile="/etc/portage/savedconfig/${CATEGORY}/${PF}"
: ${ED:=${D}}
local dest="/etc/portage/savedconfig/${CATEGORY}"
if [[ $# -eq 1 && -f $1 ]] ; then if [[ $# -eq 1 && -f $1 ]] ; then
# Just one file, so have the ${PF} be that config file # Just one file, so have the ${configfile} be that config file
dodir "${dest}" dodir "${configfile%/*}"
cp "$@" "${ED}/${dest}/${PF}" || die "failed to save $*" cp "$@" "${ED%/}/${configfile}" || die "failed to save $*"
else else
# A dir, or multiple files, so have the ${PF} be a dir # A dir, or multiple files, so have the ${configfile} be a dir
# with all the saved stuff below it # with all the saved stuff below it
dodir "${dest}/${PF}" dodir "${configfile}"
treecopy "$@" "${ED}/${dest}/${PF}" || die "failed to save $*" treecopy "$@" "${ED%/}/${configfile}" || die "failed to save $*"
fi fi
elog "Your configuration for ${CATEGORY}/${PF} has been saved in " elog "Your configuration for ${CATEGORY}/${PF} has been saved in "
elog "/etc/portage/savedconfig/${CATEGORY}/${PF} for your editing pleasure." elog "\"${configfile}\" for your editing pleasure."
elog "You can edit these files by hand and remerge this package with" elog "You can edit these files by hand and remerge this package with"
elog "USE=savedconfig to customise the configuration." elog "USE=savedconfig to customise the configuration."
elog "You can rename this file/directory to one of the following for" elog "You can rename this file/directory to one of the following for"
@ -74,7 +78,7 @@ save_config() {
# @FUNCTION: restore_config # @FUNCTION: restore_config
# @USAGE: <config files to restore> # @USAGE: <config files to restore>
# @DESCRIPTION: # @DESCRIPTION:
# Restores the configuation saved ebuild previously potentially with user edits. # Restores the package's configuration file probably with user edits.
# You can restore a single file or a whole bunch, just make sure you call # You can restore a single file or a whole bunch, just make sure you call
# restore_config with all of the files to restore at the same time. # restore_config with all of the files to restore at the same time.
# #
@ -98,41 +102,41 @@ restore_config() {
use savedconfig || return use savedconfig || return
local found check configfile local found check checked configfile
local base=${PORTAGE_CONFIGROOT}/etc/portage/savedconfig local base=${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig
for check in {${CATEGORY}/${PF},${CATEGORY}/${P},${CATEGORY}/${PN}}; do for check in {${CATEGORY}/${PF},${CATEGORY}/${P},${CATEGORY}/${PN}}; do
configfile=${base}/${CTARGET}/${check} configfile=${base}/${CTARGET:+"${CTARGET}/"}${check}
[[ -r ${configfile} ]] || configfile=${base}/${CHOST}/${check} [[ -r ${configfile} ]] || configfile=${base}/${CHOST:+"${CHOST}/"}${check}
[[ -r ${configfile} ]] || configfile=${base}/${check} [[ -r ${configfile} ]] || configfile=${base}/${check}
einfo "Checking existence of ${configfile} ..." [[ "${checked}" == *"${configfile} "* ]] && continue
if [[ -r "${configfile}" ]]; then einfo "Checking existence of \"${configfile}\" ..."
einfo "found ${configfile}" if [[ -r "${configfile}" ]] ; then
found=${configfile}; einfo "Found \"${configfile}\""
break; found=${configfile}
break
fi fi
checked+="${configfile} "
done done
if [[ -f ${found} ]]; then if [[ -f ${found} ]]; then
elog "Building using saved configfile ${found}" elog "Building using saved configfile \"${found}\""
if [ $# -gt 0 ]; then if [ $# -gt 0 ]; then
cp -pPR "${found}" "$1" || die "Failed to restore ${found} to $1" cp -pPR "${found}" "$1" || die "Failed to restore ${found} to $1"
else else
die "need to know the restoration filename" die "need to know the restoration filename"
fi fi
elif [[ -d ${found} ]]; then elif [[ -d ${found} ]]; then
elog "Building using saved config directory ${found}" elog "Building using saved config directory \"${found}\""
local dest=${PWD} local dest=${PWD}
pushd "${found}" > /dev/null pushd "${found}" > /dev/null
treecopy . "${dest}" || die "Failed to restore ${found} to $1" treecopy . "${dest}" || die "Failed to restore ${found} to $1"
popd > /dev/null popd > /dev/null
else else
# maybe the user is screwing around with perms they shouldnt #289168
if [[ ! -r ${base} ]] ; then
eerror "Unable to read ${base} -- please check its permissions."
die "Reading config files failed"
fi
ewarn "No saved config to restore - please remove USE=savedconfig or" ewarn "No saved config to restore - please remove USE=savedconfig or"
ewarn "provide a configuration file in ${PORTAGE_CONFIGROOT}/etc/portage/savedconfig/${CATEGORY}/${PN}" ewarn "provide a configuration file in ${PORTAGE_CONFIGROOT%/}/etc/portage/savedconfig/${CATEGORY}/${PN}"
ewarn "Your config file(s) will not be used this time" ewarn "and ensure the build process has permission to access it."
ewarn "Your config file(s) will not be used this time."
fi fi
} }
@ -143,10 +147,7 @@ savedconfig_pkg_postinst() {
# are worse :/. # are worse :/.
if use savedconfig ; then if use savedconfig ; then
# Be lazy in our EAPI compat find "${EROOT%/}/etc/portage/savedconfig/${CATEGORY}/${PF}" \
: ${EROOT:=${ROOT}}
find "${EROOT}/etc/portage/savedconfig/${CATEGORY}/${PF}" \
-exec touch {} + 2>/dev/null -exec touch {} + 2>/dev/null
fi fi
} }