home *** CD-ROM | disk | FTP | other *** search
- #!/bin/sh
-
- umask 0022
- export PATH='/usr/bin:/sbin:/bin'
-
- # Defaults
- keep="n"
- CONFDIR="/etc/initramfs-tools"
- verbose="n"
- test -e /bin/busybox && BUSYBOXDIR=/bin
- test -e /usr/lib/initramfs-tools/bin/busybox && BUSYBOXDIR=/usr/lib/initramfs-tools/bin
- export BUSYBOXDIR
-
- OPTIONS=`getopt -o c:d:ko:r:v -n "$0" -- "$@"`
-
- # Check for non-GNU getopt
- if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
-
- eval set -- "$OPTIONS"
-
- while true; do
- case "$1" in
- -c)
- compress="$2"
- shift 2
- ;;
- -d)
- CONFDIR="$2"
- shift 2
- if [ ! -d "${CONFDIR}" ]; then
- echo "${0}: ${CONFDIR}: Not a directory" >&2
- exit 1
- fi
- ;;
- -o)
- outfile="$2"
- shift 2
- ;;
- -k)
- keep="y"
- shift
- ;;
- -r)
- ROOT="$2"
- shift 2
- ;;
- -v)
- verbose="y"
- shift
- ;;
- --)
- shift
- break
- ;;
- *)
- echo "Internal error!" >&2
- exit 1
- ;;
- esac
- done
-
- # For dependency ordered mkinitramfs hook scripts.
- . /usr/share/initramfs-tools/scripts/functions
- . /usr/share/initramfs-tools/hook-functions
-
- . "${CONFDIR}/initramfs.conf"
- EXTRA_CONF=''
- for i in /usr/share/initramfs-tools/conf.d/* ${CONFDIR}/conf.d/*; do
- [ -e $i ] && EXTRA_CONF="${EXTRA_CONF} $(basename $i \
- | grep '^[[:alnum:]][[:alnum:]\._-]*$' | grep -v '\.dpkg-.*$')";
- done
- # FIXME: deprecated those settings on mkinitramfs run
- # these conf dirs are for boot scripts and land on initramfs
- for i in ${EXTRA_CONF}; do
- if [ -d ${CONFDIR}/conf.d/${i} ]; then
- echo "Warning: ${CONFDIR}/conf.d/${i} is a directory instead of file, ignoring."
- elif [ -e ${CONFDIR}/conf.d/${i} ]; then
- . ${CONFDIR}/conf.d/${i}
- elif [ -e /usr/share/initramfs-tools/conf.d/${i} ]; then
- . /usr/share/initramfs-tools/conf.d/${i}
- fi
- done
-
- # source package confs
- for i in /usr/share/initramfs-tools/conf-hooks.d/*; do
- if [ -d "${i}" ]; then
- echo "Warning: ${i} is a directory instead of file, ignoring."
- elif [ -e "${i}" ]; then
- . "${i}"
- fi
- done
-
- if [ -n "${UMASK:-}" ]; then
- umask "${UMASK}"
- fi
-
- if [ -z "${outfile}" ]; then
- usage
- fi
-
- touch "$outfile"
- outfile="$(readlink -f "$outfile")"
-
- # And by "version" we really mean path to kernel modules
- # This is braindead, and exists to preserve the interface with mkinitrd
- if [ ${#} -ne 1 ]; then
- version="$(uname -r)"
- else
- version="${1}"
- fi
-
- case "${version}" in
- /lib/modules/*/[!/]*)
- ;;
- /lib/modules/[!/]*)
- version="${version#/lib/modules/}"
- version="${version%%/*}"
- ;;
- esac
-
- case "${version}" in
- */*)
- echo "$PROG: ${version} is not a valid kernel version" >&2
- exit 1
- ;;
- esac
-
- # Check userspace and kernel support for compressed initramfs images
- if [ -z "${compress:-}" ]; then
- compress=${COMPRESS}
- else
- COMPRESS=${compress}
- fi
-
- if ! command -v "${compress}" >/dev/null 2>&1; then
- compress=gzip
- [ "${verbose}" = y ] && \
- echo "No ${COMPRESS} in ${PATH}, using gzip"
- COMPRESS=gzip
- fi
-
- if dpkg --compare-versions "${version}" lt "2.6.38" 2>/dev/null; then
- compress=gzip
- [ "${verbose}" = y ] && \
- echo "linux-2.6 likely misses ${COMPRESS} support, using gzip"
- fi
-
- [ "${compress}" = lzop ] && compress="lzop -9"
- [ "${compress}" = xz ] && compress="xz -8 --check=crc32"
-
- if [ -d "${outfile}" ]; then
- echo "${outfile} is a directory" >&2
- exit 1
- fi
-
- MODULESDIR="/lib/modules/${version}"
-
- if [ ! -e "${MODULESDIR}" ]; then
- echo "WARNING: missing ${MODULESDIR}"
- echo "Device driver support needs thus be built-in linux image!"
- fi
- if [ ! -e "${MODULESDIR}/modules.dep" ]; then
- depmod ${version}
- fi
-
- [ -n "${TMPDIR}" ] && [ ! -w "${TMPDIR}" ] && unset TMPDIR
- DESTDIR="$(mktemp -d ${TMPDIR:-/var/tmp}/mkinitramfs_XXXXXX)" || exit 1
- chmod 755 "${DESTDIR}"
-
- # do not execute cache_run_scripts() if mounted with noexec
- NOEXEC=""
- fs=$(df -P $DESTDIR | tail -1 | awk '{print $6}')
- if [ -n "$fs" ] && mount | grep -q "on $fs .*noexec" ; then
- NOEXEC=1
- fi
-
- __TMPCPIOGZ="$(mktemp ${TMPDIR:-/var/tmp}/mkinitramfs-OL_XXXXXX)" || exit 1
-
- DPKG_ARCH=`dpkg --print-architecture`
-
- # Export environment for hook scripts.
- #
- export MODULESDIR
- export version
- export CONFDIR
- export DESTDIR
- export DPKG_ARCH
- export verbose
- export KEYMAP
- export MODULES
- export BUSYBOX
-
- # Private, used by 'catenate_cpiogz'.
- export __TMPCPIOGZ
-
- for d in bin conf/conf.d etc lib/modules run sbin scripts ${MODULESDIR}; do
- mkdir -p "${DESTDIR}/${d}"
- done
-
- # Copy in modules.builtin and modules.order (not generated by depmod)
- for x in modules.builtin modules.order; do
- if [ -f "${MODULESDIR}/${x}" ]; then
- cp -p "${MODULESDIR}/${x}" "${DESTDIR}${MODULESDIR}/${x}"
- fi
- done
-
- # MODULES=list case. Always honour.
- for x in "${CONFDIR}/modules" /usr/share/initramfs-tools/modules.d/*; do
- if [ -f "${x}" ]; then
- add_modules_from_file "${x}"
- fi
- done
-
- # MODULES=most is default
- case "${MODULES}" in
- dep)
- dep_add_modules
- ;;
- most)
- auto_add_modules
- ;;
- netboot)
- auto_add_modules base
- auto_add_modules net
- ;;
- list)
- # nothing to add
- ;;
- *)
- echo "W: mkinitramfs: unsupported MODULES setting: ${MODULES}."
- echo "W: mkinitramfs: Falling back to MODULES=most."
- auto_add_modules
- ;;
- esac
-
- # Resolve hidden dependencies
- hidden_dep_add_modules
-
- # First file executed by linux-2.6
- cp -p /usr/share/initramfs-tools/init ${DESTDIR}/init
-
- # add existant boot scripts
- for b in $(cd /usr/share/initramfs-tools/scripts/ && find . \
- -regextype posix-extended -regex '.*/[[:alnum:]\._-]+$' -type f); do
- [ -d "${DESTDIR}/scripts/$(dirname "${b}")" ] \
- || mkdir -p "${DESTDIR}/scripts/$(dirname "${b}")"
- cp -p "/usr/share/initramfs-tools/scripts/${b}" \
- "${DESTDIR}/scripts/$(dirname "${b}")/"
- done
- for b in $(cd "${CONFDIR}/scripts" && find . \
- -regextype posix-extended -regex '.*/[[:alnum:]\._-]+$' -type f); do
- [ -d "${DESTDIR}/scripts/$(dirname "${b}")" ] \
- || mkdir -p "${DESTDIR}/scripts/$(dirname "${b}")"
- cp -p "${CONFDIR}/scripts/${b}" "${DESTDIR}/scripts/$(dirname "${b}")/"
- done
-
- echo "DPKG_ARCH=${DPKG_ARCH}" > ${DESTDIR}/conf/arch.conf
- cp -p "${CONFDIR}/initramfs.conf" ${DESTDIR}/conf
- for i in ${EXTRA_CONF}; do
- if [ -e "${CONFDIR}/conf.d/${i}" ]; then
- copy_exec "${CONFDIR}/conf.d/${i}" /conf/conf.d
- elif [ -e "/usr/share/initramfs-tools/conf.d/${i}" ]; then
- copy_exec "/usr/share/initramfs-tools/conf.d/${i}" /conf/conf.d
- fi
- done
-
- # ROOT hardcoding
- if [ -n "${ROOT:-}" ]; then
- echo "ROOT=${ROOT}" > ${DESTDIR}/conf/conf.d/root
- fi
-
- if ! command -v ldd >/dev/null 2>&1 ; then
- echo "WARNING: no ldd around - install libc-bin" >&2
- exit 1
- fi
-
- # module-init-tools
- copy_exec /sbin/modprobe /sbin
- copy_exec /sbin/rmmod /sbin
- mkdir -p "${DESTDIR}/etc/modprobe.d"
- cp -a /etc/modprobe.d/* "${DESTDIR}/etc/modprobe.d/"
-
- # workaround: libgcc always needed on old-abi arm
- if [ "$DPKG_ARCH" = arm ] || [ "$DPKG_ARCH" = armeb ]; then
- cp -a /lib/libgcc_s.so.1 "${DESTDIR}/lib/"
- fi
-
- run_scripts /usr/share/initramfs-tools/hooks
- run_scripts "${CONFDIR}"/hooks
-
- # cache boot run order
- if [ -n "$NOEXEC" ]; then
- echo "W: TMPDIR is mounted noexec, will not cache run scripts."
- else
- for b in $(cd "${DESTDIR}/scripts" && find . -mindepth 1 -type d); do
- cache_run_scripts "${DESTDIR}" "/scripts/${b#./}"
- done
- fi
-
- # generate module deps
- depmod -a -b "${DESTDIR}" ${version}
- rm -f "${DESTDIR}/lib/modules/${version}"/modules.*map
-
- # make sure that library search path is up to date
- cp -ar /etc/ld.so.conf* "$DESTDIR"/etc/
- if ! ldconfig -r "$DESTDIR" ; then
- [ $(id -u) != "0" ] \
- && echo "ldconfig might need uid=0 (root) for chroot()" >&2
- fi
-
- # Apply DSDT to initramfs
- if [ -e "${CONFDIR}/DSDT.aml" ]; then
- copy_exec "${CONFDIR}/DSDT.aml" /
- fi
-
- # Remove any looping or broken symbolic links, since they break cpio.
- [ "${verbose}" = y ] && xargs_verbose="-t"
- (cd "${DESTDIR}" && find . -type l -printf '%p %Y\n' | sed -n 's/ [LN]$//p' \
- | xargs ${xargs_verbose:-} -rL1 rm -f)
-
- # dirty hack for armhf's double-linker situation; if we have one of
- # the two known eglibc linkers, nuke both and re-create sanity
- if [ "$DPKG_ARCH" = armhf ]; then
- if [ -e "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3" ] || \
- [ -e "${DESTDIR}/lib/ld-linux-armhf.so.3" ]; then
- rm -f "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3"
- rm -f "${DESTDIR}/lib/ld-linux-armhf.so.3"
- cp -aL /lib/ld-linux-armhf.so.3 "${DESTDIR}/lib/"
- ln -sf /lib/ld-linux-armhf.so.3 "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3"
- fi
- fi
-
- [ "${verbose}" = y ] && echo "Building cpio ${outfile} initramfs"
- (
- # work around lack of "set -o pipefail" for the following pipe:
- # cd "${DESTDIR}" && find . | cpio --quiet -R 0:0 -o -H newc | gzip >"${outfile}" || exit 1
- exec 3>&1
- eval `
- # http://cfaj.freeshell.org/shell/cus-faq-2.html
- exec 4>&1 >&3 3>&-
- cd "${DESTDIR}"
- {
- find . 4>&-; echo "ec1=$?;" >&4
- } | {
- cpio --quiet -R 0:0 -o -H newc 4>&-; echo "ec2=$?;" >&4
- } | ${compress} >"${outfile}"
- echo "ec3=$?;" >&4
- `
- if [ "$ec1" -ne 0 ]; then
- echo "E: mkinitramfs failure find $ec1 cpio $ec2 $compress $ec3"
- exit "$ec1"
- fi
- if [ "$ec2" -ne 0 ]; then
- echo "E: mkinitramfs failure cpio $ec2 $compress $ec3"
- exit "$ec2"
- fi
- if [ "$ec3" -ne 0 ]; then
- echo "E: mkinitramfs failure $compress $ec3"
- exit "$ec3"
- fi
- ) || exit 1
-
- if [ -s "${__TMPCPIOGZ}" ]; then
- cat "${__TMPCPIOGZ}" >>"${outfile}" || exit 1
- fi
-
- if [ "${keep}" = "y" ]; then
- echo "Working files in ${DESTDIR} and overlay in ${__TMPCPIOGZ}"
- else
- rm -rf "${DESTDIR}"
- rm -rf "${__TMPCPIOGZ}"
- fi
-
- exit 0
-