CPIO_ARGS="--quiet -o -H newc"
+# The copy_binaries function is explicitly released under the CC0 license to
+# encourage wide adoption and re-use. That means:
+# - You may use the code of copy_binaries() as CC0 outside of genkernel
+# - Contributions to this function are licensed under CC0 as well.
+# - If you change it outside of genkernel, please consider sending your
+# modifications back to genkernel@gentoo.org.
+#
+# On a side note: "Both public domain works and the simple license provided by
+# CC0 are compatible with the GNU GPL."
+# (from https://www.gnu.org/licenses/license-list.html#CC0)
+#
+# Written by:
+# - Sebastian Pipping <sebastian@pipping.org> (error checking)
+# - Robin H. Johnson <robbat2@gentoo.org> (complete rewrite)
+# - Richard Yao <ryao@cs.stonybrook.edu> (original concept)
+# Usage:
+# copy_binaries DESTDIR BINARIES...
copy_binaries() {
local destdir=$1
shift
+
+ for binary in "$@"; do
+ [[ -e "${binary}" ]] \
+ || gen_die "Binary ${binary} could not be found"
+
+ if LC_ALL=C lddtree "${binary}" 2>&1 | fgrep -q 'not found'; then
+ gen_die "Binary ${binary} is linked to missing libraries and may need to be re-built"
+ fi
+ done
+ # This must be OUTSIDE the for loop, we only want to run lddtree etc ONCE.
lddtree "$@" \
- | tr ')(' '\n' \
- | awk '/=>/{ if($3 ~ /^\//){print $3}}' \
- | sort \
- | uniq \
- | cpio -p --make-directories --dereference --quiet $destdir
+ | tr ')(' '\n' \
+ | awk '/=>/{ if($3 ~ /^\//){print $3}}' \
+ | sort \
+ | uniq \
+ | cpio -p --make-directories --dereference --quiet "${destdir}" \
+ || gen_die "Binary ${f} or some of its library dependencies could not be copied"
+}
+log_future_cpio_content() {
+ if [[ "${LOGLEVEL}" -gt 1 ]]; then
+ echo =================================================================
+ echo "About to add these files from '${PWD}' to cpio archive:"
+ find . | xargs ls -ald
+ echo =================================================================
+ fi
}
append_base_layout() {
mknod -m 600 ttyS0 c 4 64
date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date
+ echo "Genkernel $GK_V" > ${TEMP}/initramfs-base-temp/etc/build_id
cd "${TEMP}/initramfs-base-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing baselayout cpio"
cd "${TEMP}"
done
cd "${TEMP}/initramfs-busybox-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing busybox cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
}
+append_e2fsprogs(){
+ if [ -d "${TEMP}"/initramfs-e2fsprogs-temp ]
+ then
+ rm -r "${TEMP}"/initramfs-e2fsprogs-temp
+ fi
+
+ cd "${TEMP}" \
+ || gen_die "cd '${TEMP}' failed"
+ mkdir -p initramfs-e2fsprogs-temp
+ copy_binaries "${TEMP}"/initramfs-e2fsprogs-temp/ /sbin/{e2fsck,mke2fs}
+
+ cd "${TEMP}"/initramfs-e2fsprogs-temp \
+ || gen_die "cd '${TEMP}/initramfs-e2fsprogs-temp' failed"
+ find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
+ rm -rf "${TEMP}"/initramfs-e2fsprogs-temp > /dev/null
+}
+
append_blkid(){
if [ -d "${TEMP}/initramfs-blkid-temp" ]
then
rm -r "${TEMP}/initramfs-blkid-temp/"
fi
cd ${TEMP}
- mkdir -p "${TEMP}/initramfs-blkid-temp/sbin/"
- [ "${DISKLABEL}" = '1' ] && { /bin/bzip2 -dc "${BLKID_BINCACHE}" > "${TEMP}/initramfs-blkid-temp/sbin/blkid" ||
- gen_die "Could not extract blkid binary cache!"; }
- chmod a+x "${TEMP}/initramfs-blkid-temp/sbin/blkid"
+ mkdir -p "${TEMP}/initramfs-blkid-temp/"
+
+ if [[ "${DISKLABEL}" = "1" ]]; then
+ copy_binaries "${TEMP}"/initramfs-blkid-temp/ /sbin/blkid
+ fi
+
cd "${TEMP}/initramfs-blkid-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing blkid cpio"
cd "${TEMP}"
gen_die 'Could not extract unionfs-fuse binary cache!'
chmod a+x "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs"
cd "${TEMP}/initramfs-unionfs-fuse-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing unionfs fuse cpio"
cd "${TEMP}"
# cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
# gen_die 'Could not copy /etc/suspend.conf'
# cd "${TEMP}/initramfs-suspend-temp/"
+# log_future_cpio_content
# find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
# || gen_die "compressing suspend cpio"
# rm -r "${TEMP}/initramfs-suspend-temp/"
mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/
# Copy files
- copy_binaries "${TEMP}/initramfs-multipath-temp" /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} /lib64/udev/scsi_id /bin/mountpoint
+ copy_binaries "${TEMP}/initramfs-multipath-temp" \
+ /bin/mountpoint \
+ /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} \
+ /{lib,lib64}/{udev/scsi_id,multipath/*so}
if [ -x /sbin/multipath ]
then
cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
fi
cd "${TEMP}/initramfs-multipath-temp"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing multipath cpio"
cd "${TEMP}"
ln -sf raid456.kp raid45.ko
cd "${TEMP}/initramfs-dmraid-temp/"
fi
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing dmraid cpio"
cd "${TEMP}"
gen_die "Could not extract iscsi binary cache!"
chmod a+x "${TEMP}/initramfs-iscsi-temp/bin/iscsistart"
cd "${TEMP}/initramfs-iscsi-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing iscsi cpio"
cd "${TEMP}"
# See bug 382555
mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
- rm -rf ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
+ rm -rf ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
fi
- if [ -x /sbin/lvm ]
+ if [ -x /sbin/lvm -o -x /bin/lvm ]
then
# lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
# ret=$?
# fi
fi
cd "${TEMP}/initramfs-lvm-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing lvm cpio"
cd "${TEMP}"
fi
fi
cd "${TEMP}/initramfs-mdadm-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing mdadm cpio"
cd "${TEMP}"
copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool}
cd "${TEMP}/initramfs-zfs-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing zfs cpio"
cd "${TEMP}"
cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
fi
cd "${TEMP}/initramfs-splash-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing splash cpio"
cd "${TEMP}"
append_overlay(){
cd ${INITRAMFS_OVERLAY}
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing overlay cpio"
}
[ -x "${_luks_source}" ] \
|| gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"
- is_static "${_luks_source}" \
- || gen_die "$(printf "${_luks_error_format}" "${_luks_source} not a static binary")"
-
print_info 1 "Including LUKS support"
- cp "${_luks_source}" ${TEMP}/initramfs-luks-temp${_luks_dest}
- chmod +x "${TEMP}/initramfs-luks-temp${_luks_dest}"
+ copy_binaries "${TEMP}/initramfs-luks-temp/" /sbin/cryptsetup
fi
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending cryptsetup to cpio"
else
cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
fi
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending firmware to cpio"
cd "${TEMP}"
gen_die 'Could not extract gpg binary cache!'
chmod a+x "${TEMP}/initramfs-gpg-temp/sbin/gpg"
cd "${TEMP}/initramfs-gpg-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
}
print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
done
cd "${TEMP}/initramfs-modules-${KV}-temp/"
+ log_future_cpio_content
find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing modules cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
}
+append_modprobed() {
+ local TDIR="${TEMP}/initramfs-modprobe.d-temp"
+ if [ -d "${TDIR}" ]
+ then
+ rm -r "${TDIR}"
+ fi
+
+ mkdir -p "${TDIR}/etc/module_options/"
+
+ # Load module parameters
+ for dir in $(find "${MODPROBEDIR}"/*)
+ do
+ while read x
+ do
+ case "${x}" in
+ options*)
+ module_name="$(echo "$x" | cut -d ' ' -f 2)"
+ [ "${module_name}" != "$(echo)" ] || continue
+ module_options="$(echo "$x" | cut -d ' ' -f 3-)"
+ [ "${module_options}" != "$(echo)" ] || continue
+ echo "${module_options}" >> "${TDIR}/etc/module_options/${module_name}.conf"
+ ;;
+ esac
+ done < "${dir}"
+ done
+
+ cd "${TDIR}"
+ log_future_cpio_content
+ find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
+ || gen_die "compressing modprobe.d cpio"
+
+ cd "${TEMP}"
+ rm -rf "${TDIR}" > /dev/null
+}
+
# check for static linked file with objdump
is_static() {
LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
fi
if isTrue $CMD_KEYMAP
then
- mkdir -p "${TEMP}/initramfs-aux-temp/lib/keymaps"
- /bin/tar -C "${TEMP}/initramfs-aux-temp/lib/keymaps" -zxf "${GK_SHARE}/defaults/keymaps.tar.gz"
+ print_info 1 " >> Copying keymaps"
+ mkdir -p "${TEMP}/initramfs-aux-temp/lib/"
+ cp -R "${GK_SHARE}/defaults/keymaps" "${TEMP}/initramfs-aux-temp/lib/" \
+ || gen_die "Error while copying keymaps"
fi
cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
fi
cd "${TEMP}/initramfs-aux-temp/"
+ log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing auxilary cpio"
cd "${TEMP}"
append_data 'base_layout'
append_data 'auxilary' "${BUSYBOX}"
append_data 'busybox' "${BUSYBOX}"
+ isTrue "${CMD_E2FSPROGS}" && append_data 'e2fsprogs'
append_data 'lvm' "${LVM}"
append_data 'dmraid' "${DMRAID}"
append_data 'iscsi' "${ISCSI}"
append_data 'splash' "${SPLASH}"
+ append_data 'modprobed'
+
if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
then
append_data 'firmware'
# The kernel will do a better job of it than us.
mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio
sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config
+ compress_config='INITRAMFS_COMPRESSION_NONE'
+ case ${compress_ext} in
+ gz) compress_config='INITRAMFS_COMPRESSION_GZIP' ;;
+ bz2) compress_config='INITRAMFS_COMPRESSION_BZIP2' ;;
+ lzma) compress_config='INITRAMFS_COMPRESSION_LZMA' ;;
+ xz) compress_config='INITRAMFS_COMPRESSION_XZ' ;;
+ lzo) compress_config='INITRAMFS_COMPRESSION_LZO' ;;
+ *) compress_config='INITRAMFS_COMPRESSION_NONE' ;;
+ esac
+ # All N default except XZ, so there it gets used if the kernel does
+ # compression on it's own.
cat >>${KERNEL_DIR}/.config <<-EOF
CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}"
CONFIG_INITRAMFS_ROOT_UID=0
CONFIG_INITRAMFS_ROOT_GID=0
+ CONFIG_INITRAMFS_COMPRESSION_NONE=n
+ CONFIG_INITRAMFS_COMPRESSION_GZIP=n
+ CONFIG_INITRAMFS_COMPRESSION_BZIP2=n
+ CONFIG_INITRAMFS_COMPRESSION_LZMA=n
+ CONFIG_INITRAMFS_COMPRESSION_XZ=y
+ CONFIG_INITRAMFS_COMPRESSION_LZO=n
+ CONFIG_${compress_config}=y
EOF
else
if isTrue "${COMPRESS_INITRD}"
then
+ # NOTE: We do not work with ${KERNEL_CONFIG} here, since things like
+ # "make oldconfig" or --noclean could be in effect.
+ if [ -f "${KERNEL_DIR}"/.config ]; then
+ local ACTUAL_KERNEL_CONFIG="${KERNEL_DIR}"/.config
+ else
+ local ACTUAL_KERNEL_CONFIG="${KERNEL_CONFIG}"
+ fi
+
+ if [[ "$(file --brief --mime-type "${ACTUAL_KERNEL_CONFIG}")" == application/x-gzip ]]; then
+ # Support --kernel-config=/proc/config.gz, mainly
+ local CONFGREP=zgrep
+ else
+ local CONFGREP=grep
+ fi
+
cmd_xz=$(type -p xz)
cmd_lzma=$(type -p lzma)
cmd_bzip2=$(type -p bzip2)
cmd_gzip=$(type -p gzip)
cmd_lzop=$(type -p lzop)
+ pkg_xz='app-arch/xz-utils'
+ pkg_lzma='app-arch/xz-utils'
+ pkg_bzip2='app-arch/bzip2'
+ pkg_gzip='app-arch/gzip'
+ pkg_lzop='app-arch/lzop'
local compression
case ${COMPRESS_INITRD_TYPE} in
- xz|lzma|bzip2|gzip|lzo) compression=${COMPRESS_INITRD_TYPE} ;;
- best)
- if grep -sq '^CONFIG_RD_XZ=y' ${KERNEL_DIR}/.config && test -n "${cmd_xz}" ; then
- compression=xz
- elif grep -sq '^CONFIG_RD_LZMA=y' ${KERNEL_DIR}/.config && test -n "${cmd_lzma}" ; then
- compression=lzma
- elif grep -sq '^CONFIG_RD_BZIP2=y' ${KERNEL_DIR}/.config && test -n "${cmd_bzip2}" ; then
- compression=bzip2
- elif grep -sq '^CONFIG_RD_GZIP=y' ${KERNEL_DIR}/.config && test -n "${cmd_gzip}" ; then
- compression=gzip
- elif grep -sq '^CONFIG_RD_LZO=y' ${KERNEL_DIR}/.config && test -n "${cmd_lzop}" ; then
- compression=lzo
- fi ;;
+ xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;;
+ lzo) compression=lzop ;;
+ best|fastest)
+ for tuple in \
+ 'CONFIG_RD_XZ cmd_xz xz' \
+ 'CONFIG_RD_LZMA cmd_lzma lzma' \
+ 'CONFIG_RD_BZIP2 cmd_bzip2 bzip2' \
+ 'CONFIG_RD_GZIP cmd_gzip gzip' \
+ 'CONFIG_RD_LZO cmd_lzop lzop'; do
+ set -- ${tuple}
+ kernel_option=$1
+ cmd_variable_name=$2
+ if ${CONFGREP} -q "^${kernel_option}=y" "${ACTUAL_KERNEL_CONFIG}" && test -n "${!cmd_variable_name}" ; then
+ compression=$3
+ [[ ${COMPRESS_INITRD_TYPE} == best ]] && break
+ fi
+ done
+ [[ -z "${compression}" ]] && gen_die "None of the initramfs compression methods we tried are supported by your kernel (config file \"${ACTUAL_KERNEL_CONFIG}\"), strange!?"
+ ;;
+ *)
+ gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown"
+ ;;
esac
+
+ # Check for actual availability
+ cmd_variable_name=cmd_${compression}
+ pkg_variable_name=pkg_${compression}
+ [[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'."
+
case $compression in
xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;;
lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;;
bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;;
gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;;
- lzo) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
+ lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
esac
if [ -n "${compression}" ]; then
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