commit:     df7daea6e021ab74a4ff7d0c662e428b5cf2b995
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Jan 20 20:00:08 2024 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Jan 20 20:01:25 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=df7daea6

sys-kernel/linux-firmware: Modifications to USE=savedconfig

Modified to only install files from the config file instead of
deleting them afterwards.

Bug: https://bugs.gentoo.org/913049

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 .../files/linux-firmware-copy-firmware.patch       |  59 +++
 .../linux-firmware-20240115-r1.ebuild              | 403 +++++++++++++++++++++
 2 files changed, 462 insertions(+)

diff --git a/sys-kernel/linux-firmware/files/linux-firmware-copy-firmware.patch 
b/sys-kernel/linux-firmware/files/linux-firmware-copy-firmware.patch
new file mode 100644
index 000000000000..b6ff69d1f577
--- /dev/null
+++ b/sys-kernel/linux-firmware/files/linux-firmware-copy-firmware.patch
@@ -0,0 +1,59 @@
+From 4eee756fa1e02c3e8ea168ac0efa16b30dae3b25 Mon Sep 17 00:00:00 2001
+From: Mike Pagano <mpag...@gentoo.org>
+Date: Sat, 23 Dec 2023 13:14:58 -0500
+Subject: [PATCH] [PATCH] copy-firmware.sh: Support passing in firmware files
+ to install
+Cc: mpag...@gentoo.org
+
+This change adds support to copy-firmware.sh to accept a space separated
+list of firmware files to install.
+
+This allows our users to define a small subset of needed firmware files
+their system requires without installing every firmware file included
+from the repository.
+
+Signed-off-by: Mike Pagano <mpag...@gentoo.org>
+---
+ copy-firmware.sh | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/copy-firmware.sh b/copy-firmware.sh
+index 6757c6ce..d954230d 100755
+--- a/copy-firmware.sh
++++ b/copy-firmware.sh
+@@ -50,6 +50,16 @@ while test $# -gt 0; do
+             shift
+             ;;
+ 
++        --firmware-list)
++            if [ -n "$2" ]; then
++                FIRMWARE_LIST=$2
++                shift 2
++            else
++                echo "ERROR: '--firmware-list' requires a non-empty option 
argument of firmware files to install"
++                exit 1
++            fi
++            ;;
++
+         -*)
+             if test "$compress" = "cat"; then
+                 echo "ERROR: unknown command-line option: $1"
+@@ -85,6 +95,7 @@ fi
+ # shellcheck disable=SC2162 # file/folder name can include escaped symbols
+ grep -E '^(RawFile|File):' WHENCE | sed -E -e 's/^(RawFile|File): */\1 
/;s/"//g' | while read k f; do
+     test -f "$f" || continue
++    [ -n "${FIRMWARE_LIST##*"$f"*}" ] && continue
+     install -d "$destdir/$(dirname "$f")"
+     $verbose "copying/compressing file $f$compext"
+     if test "$compress" != "cat" && test "$k" = "RawFile"; then
+@@ -107,6 +118,7 @@ fi
+ 
+ # shellcheck disable=SC2162 # file/folder name can include escaped symbols
+ grep -E '^Link:' WHENCE | sed -e 's/^Link: *//g;s/-> //g' | while read f d; do
++    [ -n "${FIRMWARE_LIST##*"$f"*}" ] && continue
+     if test -L "$f$compext"; then
+         test -f "$destdir/$f$compext" && continue
+         $verbose "copying link $f$compext"
+-- 
+2.41.0
+

diff --git a/sys-kernel/linux-firmware/linux-firmware-20240115-r1.ebuild 
b/sys-kernel/linux-firmware/linux-firmware-20240115-r1.ebuild
new file mode 100644
index 000000000000..25d02e4a4f38
--- /dev/null
+++ b/sys-kernel/linux-firmware/linux-firmware-20240115-r1.ebuild
@@ -0,0 +1,403 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+inherit linux-info mount-boot savedconfig multiprocessing
+
+# In case this is a real snapshot, fill in commit below.
+# For normal, tagged releases, leave blank
+MY_COMMIT=""
+
+if [[ ${PV} == 99999999* ]]; then
+       inherit git-r3
+       
EGIT_REPO_URI="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/${PN}.git";
+else
+       if [[ -n "${MY_COMMIT}" ]]; then
+               
SRC_URI="https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/snapshot/${MY_COMMIT}.tar.gz
 -> ${P}.tar.gz"
+               S="${WORKDIR}/${MY_COMMIT}"
+       else
+               
SRC_URI="https://mirrors.edge.kernel.org/pub/linux/kernel/firmware/${P}.tar.xz";
+       fi
+
+       KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc 
~ppc64 ~riscv ~s390 ~sparc ~x86"
+fi
+
+DESCRIPTION="Linux firmware files"
+HOMEPAGE="https://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git";
+
+LICENSE="GPL-2 GPL-2+ GPL-3 BSD MIT || ( MPL-1.1 GPL-2 )
+       redistributable? ( linux-fw-redistributable BSD-2 BSD BSD-4 ISC MIT )
+       unknown-license? ( all-rights-reserved )"
+SLOT="0"
+IUSE="compress-xz compress-zstd deduplicate initramfs +redistributable 
savedconfig unknown-license"
+REQUIRED_USE="initramfs? ( redistributable )
+       ?? ( compress-xz compress-zstd )
+       savedconfig? ( !deduplicate )"
+
+RESTRICT="binchecks strip test
+       unknown-license? ( bindist )"
+
+BDEPEND="initramfs? ( app-arch/cpio )
+       compress-xz? ( app-arch/xz-utils )
+       compress-zstd? ( app-arch/zstd )
+       deduplicate? ( app-misc/rdfind )"
+
+#add anything else that collides to this
+RDEPEND="!savedconfig? (
+               redistributable? (
+                       !sys-firmware/alsa-firmware[alsa_cards_ca0132]
+                       !sys-block/qla-fc-firmware
+                       !sys-firmware/iwl1000-ucode
+                       !sys-firmware/iwl6005-ucode
+                       !sys-firmware/iwl6030-ucode
+                       !sys-firmware/iwl3160-ucode
+                       !sys-firmware/iwl7260-ucode
+                       !sys-firmware/iwl3160-7260-bt-ucode
+                       !sys-firmware/raspberrypi-wifi-ucode
+               )
+               unknown-license? (
+                       !sys-firmware/alsa-firmware[alsa_cards_korg1212]
+                       !sys-firmware/alsa-firmware[alsa_cards_maestro3]
+                       !sys-firmware/alsa-firmware[alsa_cards_sb16]
+                       !sys-firmware/alsa-firmware[alsa_cards_ymfpci]
+               )
+       )"
+
+QA_PREBUILT="*"
+PATCHES=( "${FILESDIR}"/${PN}-copy-firmware.patch )
+
+pkg_pretend() {
+       use initramfs && mount-boot_pkg_pretend
+}
+
+pkg_setup() {
+       if use compress-xz || use compress-zstd ; then
+               local CONFIG_CHECK
+
+               if kernel_is -ge 5 19; then
+                       use compress-xz && CONFIG_CHECK="~FW_LOADER_COMPRESS_XZ"
+                       use compress-zstd && 
CONFIG_CHECK="~FW_LOADER_COMPRESS_ZSTD"
+               else
+                       use compress-xz && CONFIG_CHECK="~FW_LOADER_COMPRESS"
+                       if use compress-zstd; then
+                               eerror "Kernels <5.19 do not support 
ZSTD-compressed firmware files"
+                       fi
+               fi
+               linux-info_pkg_setup
+       fi
+}
+
+src_unpack() {
+       if [[ ${PV} == 99999999* ]]; then
+               git-r3_src_unpack
+       else
+               default
+               # rename directory from git snapshot tarball
+               if [[ ${#GIT_COMMIT} -gt 8 ]]; then
+                       mv ${PN}-*/ ${P} || die
+               fi
+       fi
+}
+
+src_prepare() {
+
+       default
+
+       find . -type f -not -perm 0644 -print0 \
+               | xargs --null --no-run-if-empty chmod 0644 \
+               || die
+
+       chmod +x copy-firmware.sh || die
+
+       if use initramfs; then
+               if [[ -d "${S}/amd-ucode" ]]; then
+                       local UCODETMP="${T}/ucode_tmp"
+                       local UCODEDIR="${UCODETMP}/kernel/x86/microcode"
+                       mkdir -p "${UCODEDIR}" || die
+                       echo 1 > "${UCODETMP}/early_cpio"
+
+                       local amd_ucode_file="${UCODEDIR}/AuthenticAMD.bin"
+                       cat "${S}"/amd-ucode/*.bin > "${amd_ucode_file}" || die 
"Failed to concat amd cpu ucode"
+
+                       if [[ ! -s "${amd_ucode_file}" ]]; then
+                               die "Sanity check failed: '${amd_ucode_file}' 
is empty!"
+                       fi
+
+                       pushd "${UCODETMP}" &>/dev/null || die
+                       find . -print0 | cpio --quiet --null -o -H newc -R 0:0 
> "${S}"/amd-uc.img
+                       popd &>/dev/null || die
+                       if [[ ! -s "${S}/amd-uc.img" ]]; then
+                               die "Failed to create '${S}/amd-uc.img'!"
+                       fi
+               else
+                       # If this will ever happen something has changed which
+                       # must be reviewed
+                       die "'${S}/amd-ucode' not found!"
+               fi
+       fi
+
+       # whitelist of misc files
+       local misc_files=(
+               copy-firmware.sh
+               WHENCE
+               README
+       )
+
+       # whitelist of images with a free software license
+       local free_software=(
+               # keyspan_pda (GPL-2+)
+               keyspan_pda/keyspan_pda.fw
+               keyspan_pda/xircom_pgs.fw
+               # dsp56k (GPL-2+)
+               dsp56k/bootstrap.bin
+               # ath9k_htc (BSD GPL-2+ MIT)
+               ath9k_htc/htc_7010-1.4.0.fw
+               ath9k_htc/htc_9271-1.4.0.fw
+               # pcnet_cs, 3c589_cs, 3c574_cs, serial_cs (dual GPL-2/MPL-1.1)
+               cis/LA-PCM.cis
+               cis/PCMLM28.cis
+               cis/DP83903.cis
+               cis/NE2K.cis
+               cis/tamarack.cis
+               cis/PE-200.cis
+               cis/PE520.cis
+               cis/3CXEM556.cis
+               cis/3CCFEM556.cis
+               cis/MT5634ZLX.cis
+               cis/RS-COM-2P.cis
+               cis/COMpad2.cis
+               cis/COMpad4.cis
+               # serial_cs (GPL-3)
+               cis/SW_555_SER.cis
+               cis/SW_7xx_SER.cis
+               cis/SW_8xx_SER.cis
+               # dvb-ttpci (GPL-2+)
+               av7110/bootcode.bin
+               # usbdux, usbduxfast, usbduxsigma (GPL-2+)
+               usbdux_firmware.bin
+               usbduxfast_firmware.bin
+               usbduxsigma_firmware.bin
+               # brcmfmac (GPL-2+)
+               brcm/brcmfmac4330-sdio.Prowise-PT301.txt
+               brcm/brcmfmac43340-sdio.meegopad-t08.txt
+               brcm/brcmfmac43362-sdio.cubietech,cubietruck.txt
+               brcm/brcmfmac43362-sdio.lemaker,bananapro.txt
+               brcm/brcmfmac43430a0-sdio.jumper-ezpad-mini3.txt
+               "brcm/brcmfmac43430a0-sdio.ONDA-V80 PLUS.txt"
+               brcm/brcmfmac43430-sdio.AP6212.txt
+               brcm/brcmfmac43430-sdio.Hampoo-D2D3_Vi8A1.txt
+               brcm/brcmfmac43430-sdio.MUR1DX.txt
+               brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt
+               brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.txt
+               brcm/brcmfmac4356-pcie.gpd-win-pocket.txt
+               # isci (GPL-2)
+               isci/isci_firmware.bin
+               # carl9170 (GPL-2+)
+               carl9170-1.fw
+               # atusb (GPL-2+)
+               atusb/atusb-0.2.dfu
+               atusb/atusb-0.3.dfu
+               atusb/rzusb-0.3.bin
+               # mlxsw_spectrum (dual BSD/GPL-2)
+               mellanox/mlxsw_spectrum-13.1420.122.mfa2
+               mellanox/mlxsw_spectrum-13.1530.152.mfa2
+               mellanox/mlxsw_spectrum-13.1620.192.mfa2
+               mellanox/mlxsw_spectrum-13.1702.6.mfa2
+               mellanox/mlxsw_spectrum-13.1703.4.mfa2
+               mellanox/mlxsw_spectrum-13.1910.622.mfa2
+               mellanox/mlxsw_spectrum-13.2000.1122.mfa2
+       )
+
+       # blacklist of images with unknown license
+       local unknown_license=(
+               korg/k1212.dsp
+               ess/maestro3_assp_kernel.fw
+               ess/maestro3_assp_minisrc.fw
+               yamaha/ds1_ctrl.fw
+               yamaha/ds1_dsp.fw
+               yamaha/ds1e_ctrl.fw
+               ttusb-budget/dspbootcode.bin
+               emi62/bitstream.fw
+               emi62/loader.fw
+               emi62/midi.fw
+               emi62/spdif.fw
+               ti_3410.fw
+               ti_5052.fw
+               mts_mt9234mu.fw
+               mts_mt9234zba.fw
+               whiteheat.fw
+               whiteheat_loader.fw
+               cpia2/stv0672_vp4.bin
+               vicam/firmware.fw
+               edgeport/boot.fw
+               edgeport/boot2.fw
+               edgeport/down.fw
+               edgeport/down2.fw
+               edgeport/down3.bin
+               sb16/mulaw_main.csp
+               sb16/alaw_main.csp
+               sb16/ima_adpcm_init.csp
+               sb16/ima_adpcm_playback.csp
+               sb16/ima_adpcm_capture.csp
+               sun/cassini.bin
+               acenic/tg1.bin
+               acenic/tg2.bin
+               adaptec/starfire_rx.bin
+               adaptec/starfire_tx.bin
+               yam/1200.bin
+               yam/9600.bin
+               ositech/Xilinx7OD.bin
+               qlogic/isp1000.bin
+               myricom/lanai.bin
+               yamaha/yss225_registers.bin
+               lgs8g75.fw
+       )
+
+       if use !unknown-license; then
+               einfo "Removing files with unknown license ..."
+               rm -v "${unknown_license[@]}" || die
+       fi
+
+       if use !redistributable; then
+               # remove files _not_ in the free_software or unknown_license 
lists
+               # everything else is confirmed (or assumed) to be 
redistributable
+               # based on upstream acceptance policy
+               einfo "Removing non-redistributable files ..."
+               local OLDIFS="${IFS}"
+               local IFS=$'\n'
+               set -o pipefail
+               find ! -type d -printf "%P\n" \
+                       | grep -Fvx -e "${misc_files[*]}" -e 
"${free_software[*]}" -e "${unknown_license[*]}" \
+                       | xargs -d '\n' --no-run-if-empty rm -v
+
+               [[ ${?} -ne 0 ]] && die "Failed to remove non-redistributable 
files"
+
+               IFS="${OLDIFS}"
+       fi
+
+       restore_config ${PN}.conf
+}
+
+src_install() {
+
+       local LINUX_FIRMWARE_SAVED_CONFIG_FILES=
+       local FW_OPTIONS=( "-v" )
+
+       if use savedconfig; then
+               if [[ -s "${S}/${PN}.conf" ]]; then
+            files_to_keep="${T}/files_to_keep.lst"
+            grep -v '^#' "${S}/${PN}.conf" 2>/dev/null > "${files_to_keep}" || 
die
+            [[ -s "${files_to_keep}" ]] || die "grep failed, empty config 
file?"
+            LINUX_FIRMWARE_SAVED_CONFIG_FILES=$(<${files_to_keep})
+            
LINUX_FIRMWARE_SAVED_CONFIG_FILES="${LINUX_FIRMWARE_SAVED_CONFIG_FILES//$'\n'/ 
}"
+            FW_OPTIONS+=( "--firmware-list" 
"${LINUX_FIRMWARE_SAVED_CONFIG_FILES[@]}" )
+        fi
+    fi
+
+       ! use deduplicate && FW_OPTIONS+=( "--ignore-duplicates" )
+       FW_OPTIONS+=( "${ED}/lib/firmware" )
+       ./copy-firmware.sh "${FW_OPTIONS[@]}"
+
+       echo "calling copy-firmwaare.sh ${FW_OPTIONS[@]}"
+
+       pushd "${ED}/lib/firmware" &>/dev/null || die
+
+       # especially use !redistributable will cause some broken symlinks
+       einfo "Removing broken symlinks ..."
+       find * -xtype l -print -delete || die
+
+       # remove empty directories, bug #396073
+       find -type d -empty -delete || die
+
+       # sanity check
+       if ! ( shopt -s failglob; : * ) 2>/dev/null; then
+               eerror "No files to install. Check your USE flag settings"
+               eerror "and the list of files in your saved configuration."
+               die "Refusing to install an empty package"
+       fi
+
+       # create config file
+       echo "# Remove files that shall not be installed from this list." > 
"${S}"/${PN}.conf || die
+       find * ! -type d >> "${S}"/${PN}.conf || die
+       save_config "${S}"/${PN}.conf
+
+       if use compress-xz || use compress-zstd; then
+               einfo "Compressing firmware ..."
+               local target
+               local ext
+               local compressor
+
+               if use compress-xz; then
+                       ext=xz
+                       compressor="xz -T1 -C crc32"
+               elif use compress-zstd; then
+                       ext=zst
+                       compressor="zstd -15 -T1 -C -q --rm"
+               fi
+
+               # rename symlinks
+               while IFS= read -r -d '' f; do
+                       # skip symlinks pointing to directories
+                       [[ -d ${f} ]] && continue
+
+                       target=$(readlink "${f}")
+                       [[ $? -eq 0 ]] || die
+                       ln -sf "${target}".${ext} "${f}" || die
+                       mv -T "${f}" "${f}".${ext} || die
+               done < <(find . -type l -print0) || die
+
+               find . -type f ! -path "./amd-ucode/*" -print0 | \
+                       xargs -0 -P $(makeopts_jobs) -I'{}' ${compressor} '{}' 
|| die
+
+       fi
+
+       popd &>/dev/null || die
+
+       if use initramfs ; then
+               insinto /boot
+               doins "${S}"/amd-uc.img
+       fi
+}
+
+pkg_preinst() {
+       if use savedconfig; then
+               ewarn "USE=savedconfig is active. You must handle file 
collisions manually."
+       fi
+
+       # Fix 'symlink is blocked by a directory' Bug #871315
+       if has_version "<${CATEGORY}/${PN}-20220913-r2" ; then
+               rm -rf "${EROOT}"/lib/firmware/qcom/LENOVO/21BX
+       fi
+
+       # Make sure /boot is available if needed.
+       use initramfs && mount-boot_pkg_preinst
+}
+
+pkg_postinst() {
+       elog "If you are only interested in particular firmware files, edit the 
saved"
+       elog "configfile and remove those that you do not want."
+
+       local ver
+       for ver in ${REPLACING_VERSIONS}; do
+               if ver_test ${ver} -lt 20190514; then
+                       elog
+                       elog 'Starting with version 20190514, installation of 
many firmware'
+                       elog 'files is controlled by USE flags. Please review 
your USE flag'
+                       elog 'and package.license settings if you are missing 
some files.'
+                       break
+               fi
+       done
+
+       # Don't forget to umount /boot if it was previously mounted by us.
+       use initramfs && mount-boot_pkg_postinst
+}
+
+pkg_prerm() {
+       # Make sure /boot is mounted so that we can remove /boot/amd-uc.img!
+       use initramfs && mount-boot_pkg_prerm
+}
+
+pkg_postrm() {
+       # Don't forget to umount /boot if it was previously mounted by us.
+       use initramfs && mount-boot_pkg_postrm
+}

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