diff options
Diffstat (limited to 'eclass/dist-kernel-utils.eclass')
| -rw-r--r-- | eclass/dist-kernel-utils.eclass | 71 |
1 files changed, 61 insertions, 10 deletions
diff --git a/eclass/dist-kernel-utils.eclass b/eclass/dist-kernel-utils.eclass index 4bc3fab44aae..bb058d488a13 100644 --- a/eclass/dist-kernel-utils.eclass +++ b/eclass/dist-kernel-utils.eclass @@ -1,4 +1,4 @@ -# Copyright 2020-2023 Gentoo Authors +# Copyright 2020-2024 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: dist-kernel-utils.eclass @@ -159,6 +159,35 @@ dist-kernel_PV_to_KV() { echo "${kv}" } +# @FUNCTION: dist-kernel_get_module_suffix +# @USAGE: <kernel_config> +# @DESCRIPTION: +# Returns the suffix for kernel modules based on the CONFIG_MODULES_COMPESS_* +# setting in the kernel config and USE=modules-compress. +dist-kernel_get_module_suffix() { + debug-print-function ${FUNCNAME} "${@}" + + [[ ${#} -eq 1 ]] || die "${FUNCNAME}: invalid arguments" + + local config=${1} + + if ! in_iuse modules-compress || ! use modules-compress; then + echo .ko + elif [[ ! -r ${config} ]]; then + die "Cannot find kernel config ${config}" + elif grep -q "CONFIG_MODULE_COMPRESS_NONE=y" "${config}"; then + echo .ko + elif grep -q "CONFIG_MODULE_COMPRESS_GZIP=y" "${config}"; then + echo .ko.gz + elif grep -q "CONFIG_MODULE_COMPRESS_XZ=y" "${config}"; then + echo .ko.xz + elif grep -q "CONFIG_MODULE_COMPRESS_ZSTD=y" "${config}"; then + echo .ko.zst + else + die "Module compression is enabled, but compressor not known" + fi +} + # @FUNCTION: dist-kernel_compressed_module_cleanup # @USAGE: <path> # @DESCRIPTION: @@ -169,20 +198,41 @@ dist-kernel_compressed_module_cleanup() { [[ ${#} -ne 1 ]] && die "${FUNCNAME}: invalid arguments" local path=${1} - local basename f + local config_path=/usr/src/linux-${KV_FULL}/.config + + local option + for option in config source/.config build/.config; do + if [[ -f ${path}/${option} ]]; then + config_path=${path}/${option} + break + fi + done + + local preferred= + [[ -f ${config_path} ]] && preferred=$(dist-kernel_get_module_suffix "${config_path}") + + local basename suffix while read -r basename; do local prev= - for f in "${path}/${basename}"{,.gz,.xz,.zst}; do - if [[ ! -e ${f} ]]; then - continue + for suffix in .ko .ko.gz .ko.xz .ko.zst; do + [[ ${suffix} == ${preferred} ]] && continue + local current=${path}/${basename}${suffix} + [[ -f ${current} ]] || continue + + if [[ -f ${path}/${basename}${preferred} ]]; then + # If the module with the desired compression exists, remove + # all other variations. + rm -v "${current}" || die elif [[ -z ${prev} ]]; then - prev=${f} - elif [[ ${f} -nt ${prev} ]]; then + # If not, then keep whichever of the duplicate modules is the + # newest. Normally you should not end up here. + prev=${current} + elif [[ ${current} -nt ${prev} ]]; then rm -v "${prev}" || die - prev=${f} + prev=${current} else - rm -v "${f}" || die + rm -v "${current}" || die fi done done < <( @@ -192,7 +242,8 @@ dist-kernel_compressed_module_cleanup() { -o -name '*.ko.gz' \ -o -name '*.ko.xz' \ -o -name '*.ko.zst' \ - \) | sed -e 's:[.]\(gz\|xz\|zst\)$::' | sort | uniq -d || die + \) | sed -e 's:[.]ko\(\|[.]gz\|[.]xz\|[.]zst\)$::' | + sort | uniq -d || die ) } |