Use /usr/bin/dracut-install if available
/usr/bin/dracut-install greatly improves initramfs creation speedmaster
Harald Hoyer
parent
7224913d16
commit
89d44e720b
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@ -20,10 +20,7 @@
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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[[ $initdir ]] || { echo "ERROR: initdir $initdir not set" 2>&1; exit 10; }
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[[ -d $initdir ]] || mkdir -p $initdir
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[[ -d "$initdir/.kernelmodseen" ]] || mkdir -p "$initdir/.kernelmodseen"
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export initdir
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# Generic substring function. If $2 is in $1, return 0.
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strstr() { [[ $1 = *$2* ]]; }
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@ -394,6 +391,60 @@ check_vol_slaves() {
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return 1
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}
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if [[ -x /usr/bin/dracut-install ]]; then
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[[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1
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inst_dir() {
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[[ -e ${initdir}/"$1" ]] && return 0 # already there
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dracut-install ${initdir+-D "$initdir"} -d "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} -d "$@" || :
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}
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inst() {
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[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
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#dinfo "dracut-install -l $@"
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dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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inst_simple() {
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[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
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[[ -e $1 ]] || return 1 # no source
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dracut-install ${initdir+-D "$initdir"} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} "$@" || :
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}
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inst_symlink() {
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[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
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[[ -L $1 ]] || return 1
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dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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dracut_install() {
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#dinfo "initdir=$initdir dracut-install -l $@"
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dracut-install ${initdir+-D "$initdir"} -a ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} -a ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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inst_library() {
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[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
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[[ -e $1 ]] || return 1 # no source
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dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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inst_binary() {
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dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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inst_script() {
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dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@"
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(($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || :
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}
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else
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# Install a directory, keeping symlinks as on the original system.
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# Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
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# will create ${initdir}/lib64, ${initdir}/lib64/file,
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@ -428,7 +479,6 @@ inst_dir() {
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inst_simple() {
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[[ -f "$1" ]] || return 1
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strstr "$1" "/" || return 1
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local _src=$1 _target="${2:-$1}"
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[[ -L $_src ]] && { inst_symlink $_src $_target; return $?; }
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@ -438,37 +488,33 @@ inst_simple() {
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[[ -L ${initdir}/$_target ]] && return 0
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[[ -d "${initdir}/${_target%/*}" ]] || inst_dir "${_target%/*}"
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fi
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if [[ $DRACUT_FIPS_MODE ]]; then
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# install checksum files also
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if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
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inst "${_src%/*}/.${_src##*/}.hmac" "${_target%/*}/.${_target##*/}.hmac"
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fi
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fi
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ddebug "Installing $_src"
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cp --reflink=auto --sparse=auto -pfL "$_src" "${initdir}/$_target"
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}
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# find symlinks linked to given library file
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# $1 = library file
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# Function searches for symlinks by stripping version numbers appended to
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# library filename, checks if it points to the same target and finally
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# prints the list of symlinks to stdout.
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#
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# Example:
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# rev_lib_symlinks libfoo.so.8.1
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# output: libfoo.so.8 libfoo.so
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# (Only if libfoo.so.8 and libfoo.so exists on host system.)
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rev_lib_symlinks() {
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[[ ! $1 ]] && return 0
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# same as above, but specialized for symlinks
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inst_symlink() {
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local _src=$1 _target=${2:-$1} _realsrc
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strstr "$1" "/" || return 1
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[[ -L $1 ]] || return 1
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[[ -L $initdir/$_target ]] && return 0
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_realsrc=$(readlink -f "$_src")
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if ! [[ -e $initdir/$_realsrc ]]; then
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if [[ -d $_realsrc ]]; then
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inst_dir "$_realsrc"
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else
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inst "$_realsrc"
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fi
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fi
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[[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
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local fn="$1" orig="$(readlink -f "$1")" links=''
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[[ ${fn} =~ .*\.so\..* ]] || return 1
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until [[ ${fn##*.} == so ]]; do
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fn="${fn%.*}"
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[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
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done
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echo "${links}"
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ln_r "${_realsrc}" "${_target}"
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}
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# Same as above, but specialized to handle dynamic libraries.
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@ -479,10 +525,12 @@ inst_library() {
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strstr "$1" "/" || return 1
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[[ -e $initdir/$_dest ]] && return 0
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if [[ -L $_src ]]; then
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if [[ $DRACUT_FIPS_MODE ]]; then
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# install checksum files also
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if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
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inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
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fi
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fi
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_reallib=$(readlink -f "$_src")
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inst_simple "$_reallib" "$_reallib"
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inst_dir "${_dest%/*}"
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@ -500,19 +548,6 @@ inst_library() {
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done
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}
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# find a binary. If we were not passed the full path directly,
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# search in the usual places to find the binary.
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find_binary() {
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if [[ -z ${1##/*} ]]; then
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if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then
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echo $1
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return 0
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fi
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fi
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type -P $1
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}
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# Same as above, but specialized to install binary executables.
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# Install binary executable, and all shared library dependencies, if any.
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inst_binary() {
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@ -520,7 +555,6 @@ inst_binary() {
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_bin=$(find_binary "$1") || return 1
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_target=${2:-$_bin}
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[[ -e $initdir/$_target ]] && return 0
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[[ -L $_bin ]] && { inst_symlink $_bin $_target; return $?; }
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local _file _line
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local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
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# I love bash!
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@ -560,23 +594,87 @@ inst_script() {
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inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
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}
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# same as above, but specialized for symlinks
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inst_symlink() {
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local _src=$1 _target=${2:-$1} _realsrc
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strstr "$1" "/" || return 1
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[[ -L $1 ]] || return 1
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[[ -L $initdir/$_target ]] && return 0
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_realsrc=$(readlink -f "$_src")
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if ! [[ -e $initdir/$_realsrc ]]; then
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if [[ -d $_realsrc ]]; then
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inst_dir "$_realsrc"
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else
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inst "$_realsrc"
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fi
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fi
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[[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
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# general purpose installation function
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# Same args as above.
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inst() {
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local _x
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ln_r "${_realsrc}" "${_target}"
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case $# in
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1) ;;
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2) [[ ! $initdir && -d $2 ]] && export initdir=$2
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[[ $initdir = $2 ]] && set $1;;
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3) [[ -z $initdir ]] && export initdir=$2
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set $1 $3;;
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*) dfatal "inst only takes 1 or 2 or 3 arguments"
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exit 1;;
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esac
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for _x in inst_symlink inst_script inst_binary inst_simple; do
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$_x "$@" && return 0
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done
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return 1
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}
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# dracut_install [-o ] <file> [<file> ... ]
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# Install <file> to the initramfs image
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# -o optionally install the <file> and don't fail, if it is not there
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dracut_install() {
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local _optional=no
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if [[ $1 = '-o' ]]; then
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_optional=yes
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shift
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fi
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while (($# > 0)); do
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if ! inst "$1" ; then
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if [[ $_optional = yes ]]; then
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dinfo "Skipping program $1 as it cannot be found and is" \
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"flagged to be optional"
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else
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dfatal "Failed to install $1"
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exit 1
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fi
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fi
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shift
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done
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}
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fi
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# find symlinks linked to given library file
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# $1 = library file
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# Function searches for symlinks by stripping version numbers appended to
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# library filename, checks if it points to the same target and finally
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# prints the list of symlinks to stdout.
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#
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# Example:
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# rev_lib_symlinks libfoo.so.8.1
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# output: libfoo.so.8 libfoo.so
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# (Only if libfoo.so.8 and libfoo.so exists on host system.)
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rev_lib_symlinks() {
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[[ ! $1 ]] && return 0
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local fn="$1" orig="$(readlink -f "$1")" links=''
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[[ ${fn} =~ .*\.so\..* ]] || return 1
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until [[ ${fn##*.} == so ]]; do
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fn="${fn%.*}"
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[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
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done
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echo "${links}"
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}
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# find a binary. If we were not passed the full path directly,
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# search in the usual places to find the binary.
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find_binary() {
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if [[ -z ${1##/*} ]]; then
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if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then
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echo $1
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return 0
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fi
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fi
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type -P $1
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}
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# attempt to install any programs specified in a udev rule
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@ -658,26 +756,6 @@ inst_rules() {
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done
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}
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# general purpose installation function
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# Same args as above.
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inst() {
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local _x
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case $# in
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1) ;;
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2) [[ ! $initdir && -d $2 ]] && export initdir=$2
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[[ $initdir = $2 ]] && set $1;;
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3) [[ -z $initdir ]] && export initdir=$2
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set $1 $3;;
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*) dfatal "inst only takes 1 or 2 or 3 arguments"
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exit 1;;
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esac
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for _x in inst_symlink inst_script inst_binary inst_simple; do
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$_x "$@" && return 0
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done
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return 1
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}
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# install function specialized for hooks
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# $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
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# All hooks should be POSIX/SuS compliant, they will be sourced by init.
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@ -721,29 +799,6 @@ inst_any() {
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return 1
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}
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# dracut_install [-o ] <file> [<file> ... ]
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# Install <file> to the initramfs image
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# -o optionally install the <file> and don't fail, if it is not there
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dracut_install() {
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local _optional=no
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if [[ $1 = '-o' ]]; then
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_optional=yes
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shift
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fi
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while (($# > 0)); do
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if ! inst "$1" ; then
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if [[ $_optional = yes ]]; then
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dinfo "Skipping program $1 as it cannot be found and is" \
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"flagged to be optional"
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else
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dfatal "Failed to install $1"
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exit 1
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fi
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fi
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shift
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done
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}
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# inst_libdir_file [-n <pattern>] <file> [<file>...]
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# Install a <file> located on a lib directory to the initramfs image
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@ -1045,7 +1100,7 @@ for_each_module_dir() {
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for _mod in $_modcheck; do
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strstr "$mods_to_load" "$_mod" && continue
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strstr "$omit_dracutmodules" "$_mod" && continue
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derror "Dracut module \"$_mod\" cannot be found."
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derror "Dracut module \"$_mod\" cannot be found or installed."
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done
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}
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@ -1126,11 +1181,8 @@ for_each_kmod_dep() {
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dracut_kernel_post() {
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local _moddirname=${srcmods%%/lib/modules/*}
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[[ -f "$initdir/.kernelmodseen/lazylist" ]] || return 0
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[[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
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xargs modprobe -a $_moddirname --ignore-install --show-depends \
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if [[ -f "$initdir/.kernelmodseen/lazylist" ]]; then
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xargs modprobe -a ${_moddirname+-d ${_moddirname}/} --ignore-install --show-depends \
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< "$initdir/.kernelmodseen/lazylist" 2>/dev/null \
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| sort -u \
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| while read _cmd _modpath _options; do
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@ -1138,10 +1190,28 @@ dracut_kernel_post() {
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echo "$_modpath"
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done > "$initdir/.kernelmodseen/lazylist.dep"
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( while read _modpath; do
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inst_simple "$_modpath" "/lib/modules/$kernel/${_modpath##*/lib/modules/$kernel/}" || exit $?
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done < "$initdir/.kernelmodseen/lazylist.dep" ) &
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(
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if [[ -x /usr/bin/dracut-install ]] && [[ -z $_moddirname ]]; then
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xargs dracut-install ${initdir+-D "$initdir"} -a < "$initdir/.kernelmodseen/lazylist.dep"
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else
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while read _modpath; do
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local _destpath=$_modpath
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[[ $_moddirname ]] && _destpath=${_destpath##$_moddirname/}
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_destpath=${_destpath##*/lib/modules/$kernel/}
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inst_simple "$_modpath" "/lib/modules/$kernel/${_destpath}" || exit $?
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done < "$initdir/.kernelmodseen/lazylist.dep"
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fi
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) &
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if [[ -x /usr/bin/dracut-install ]]; then
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xargs modinfo -k $kernel -F firmware < "$initdir/.kernelmodseen/lazylist.dep" \
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| while read line; do
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for _fwdir in $fw_dir; do
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echo $_fwdir/$line;
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done;
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done |xargs dracut-install ${initdir+-D "$initdir"} -a -o
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else
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for _fw in $(xargs modinfo -k $kernel -F firmware < "$initdir/.kernelmodseen/lazylist.dep"); do
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for _fwdir in $fw_dir; do
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if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
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@ -1150,7 +1220,10 @@ dracut_kernel_post() {
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fi
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done
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done
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fi
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wait
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fi
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for _f in modules.builtin.bin modules.builtin; do
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[[ $srcmods/$_f ]] && break
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@ -1239,7 +1312,7 @@ instmods() {
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&& ! [[ "$add_drivers" =~ " ${_mod} " ]] \
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&& return 0
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if [[ "$_check" = "yes" ]]; then
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if [[ "$_check" = "yes" ]] || ! [[ $DRACUT_KERNEL_LAZY ]]; then
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# We use '-d' option in modprobe only if modules prefix path
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# differs from default '/'. This allows us to use Dracut with
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# old version of modprobe which doesn't have '-d' option.
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59
dracut.sh
59
dracut.sh
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@ -317,7 +317,9 @@ unset NPATH
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unset LD_LIBRARY_PATH
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unset GREP_OPTIONS
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export DRACUT_LOG_LEVEL=warning
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[[ $debug ]] && {
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export DRACUT_LOG_LEVEL=debug
|
||||
export PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]}): ';
|
||||
set -x
|
||||
}
|
||||
|
|
@ -472,6 +474,9 @@ readonly initdir=$(mktemp --tmpdir="$TMPDIR/" -d -t initramfs.XXXXXX)
|
|||
exit 1
|
||||
}
|
||||
|
||||
export DRACUT_KERNEL_LAZY="1"
|
||||
export DRACUT_RESOLVE_LAZY="1"
|
||||
|
||||
if [[ -f $dracutbasedir/dracut-functions.sh ]]; then
|
||||
. $dracutbasedir/dracut-functions.sh
|
||||
else
|
||||
|
|
@ -726,6 +731,8 @@ mods_to_load=""
|
|||
for_each_module_dir check_module
|
||||
for_each_module_dir check_mount
|
||||
|
||||
strstr "$mods_to_load" "fips" && export DRACUT_FIPS_MODE=1
|
||||
|
||||
_isize=0 #initramfs size
|
||||
modules_loaded=" "
|
||||
# source our modules.
|
||||
|
|
@ -770,10 +777,11 @@ done
|
|||
dinfo "*** Including modules done ***"
|
||||
|
||||
## final stuff that has to happen
|
||||
|
||||
if [[ $no_kernel != yes ]]; then
|
||||
dinfo "*** Installing kernel module dependencies and firmware ***"
|
||||
dracut_kernel_post
|
||||
dinfo "*** Installing kernel module dependencies and firmware done ***"
|
||||
fi
|
||||
|
||||
while pop include_src src && pop include_target tgt; do
|
||||
if [[ $src && $tgt ]]; then
|
||||
|
|
@ -792,9 +800,9 @@ while pop include_src src && pop include_target tgt; do
|
|||
mkdir -m 0755 -p "$s"
|
||||
chmod --reference="$i" "$s"
|
||||
fi
|
||||
cp -a -t "$s" "$i"/*
|
||||
cp --reflink=auto --sparse=auto -pfLr -t "$s" "$i"/*
|
||||
else
|
||||
cp -a -t "$s" "$i"
|
||||
cp --reflink=auto --sparse=auto -pfLr -t "$s" "$i"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
|
@ -802,10 +810,7 @@ while pop include_src src && pop include_target tgt; do
|
|||
done
|
||||
|
||||
if [[ $kernel_only != yes ]]; then
|
||||
for item in $install_items; do
|
||||
dracut_install "$item"
|
||||
done
|
||||
unset item
|
||||
(( ${#install_items[@]} > 0 )) && dracut_install ${install_items[@]}
|
||||
|
||||
while pop fstab_lines line; do
|
||||
echo "$line 0 0" >> "${initdir}/etc/fstab"
|
||||
|
|
@ -815,6 +820,15 @@ if [[ $kernel_only != yes ]]; then
|
|||
cat $f >> "${initdir}/etc/fstab"
|
||||
done
|
||||
|
||||
if [[ $DRACUT_RESOLVE_LAZY ]] && [[ -x /usr/bin/dracut-install ]]; then
|
||||
dinfo "*** Resolving executable dependencies ***"
|
||||
find "$initdir" -type f \
|
||||
'(' -perm -0100 -or -perm -0010 -or -perm -0001 ')' \
|
||||
-not -path '*.ko' -print0 \
|
||||
| xargs -0 dracut-install ${initdir+-D "$initdir"} -R ${DRACUT_FIPS_MODE+-H}
|
||||
dinfo "*** Resolving executable dependencies done***"
|
||||
fi
|
||||
|
||||
# make sure that library links are correct and up to date
|
||||
for f in /etc/ld.so.conf /etc/ld.so.conf.d/*; do
|
||||
[[ -f $f ]] && inst_simple "$f"
|
||||
|
|
@ -843,34 +857,43 @@ if [[ $do_strip = yes ]] ; then
|
|||
done
|
||||
fi
|
||||
|
||||
if [[ $do_strip = yes ]] ; then
|
||||
find "$initdir" -type f \
|
||||
\( -perm -0100 -or -perm -0010 -or -perm -0001 \
|
||||
-or -path '*/lib/modules/*.ko' \) -print0 \
|
||||
| xargs -0 strip -g 2>/dev/null
|
||||
fi
|
||||
|
||||
type hardlink &>/dev/null && {
|
||||
hardlink "$initdir" 2>&1
|
||||
}
|
||||
|
||||
if strstr "$modules_loaded" " fips " && command -v prelink >/dev/null; then
|
||||
dinfo "*** pre-unlinking files ***"
|
||||
for dir in "$initdir/bin" \
|
||||
"$initdir/sbin" \
|
||||
"$initdir/usr/bin" \
|
||||
"$initdir/usr/sbin"; do
|
||||
[[ -L "$dir" ]] && continue
|
||||
for i in "$dir"/*; do
|
||||
[[ -L $i ]] && continue
|
||||
[[ -x $i ]] && prelink -u $i &>/dev/null
|
||||
done
|
||||
done
|
||||
dinfo "*** pre-unlinking files done ***"
|
||||
fi
|
||||
|
||||
if [[ $do_strip = yes ]] ; then
|
||||
dinfo "*** Stripping files ***"
|
||||
find "$initdir" -type f \
|
||||
'(' -perm -0100 -or -perm -0010 -or -perm -0001 \
|
||||
-or -path '*/lib/modules/*.ko' ')' -print0 \
|
||||
| xargs -0 strip -g 2>/dev/null
|
||||
dinfo "*** Stripping files done ***"
|
||||
fi
|
||||
|
||||
type hardlink &>/dev/null && {
|
||||
dinfo "*** hardlinking files ***"
|
||||
hardlink "$initdir" 2>&1
|
||||
dinfo "*** hardlinking files done ***"
|
||||
}
|
||||
|
||||
dinfo "*** Creating image file ***"
|
||||
if ! ( cd "$initdir"; find . |cpio -R 0:0 -H newc -o --quiet| \
|
||||
$compress > "$outfile"; ); then
|
||||
dfatal "dracut: creation of $outfile failed"
|
||||
exit 1
|
||||
fi
|
||||
dinfo "*** Creating image file done ***"
|
||||
|
||||
dinfo "Wrote $outfile:"
|
||||
dinfo "$(ls -l "$outfile")"
|
||||
|
|
|
|||
Loading…
Reference in New Issue