fix TODO's, minor improvements
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illiliti
parent
67dc4e50dd
commit
4b5645f3b0
4
config
4
config
@ -40,7 +40,9 @@
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# compression program
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#
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# default - gzip -9
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# example - compress="pigz -9"
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# example -
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# compress="pigz -9"
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# compress="none" # disable compress
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#
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#compress=""
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84
tinyramfs
84
tinyramfs
@ -5,9 +5,16 @@
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# false positive
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# shellcheck disable=2154
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# TODO add some colors ?
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panic() { printf "panic >> %s\n" "$1" >&2; panic=1; exit 1; }
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info() { printf "info >> %s\n" "$1"; }
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print()
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{
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printf "%b %s\n" "${2:-\033[1;37m>>\033[m}" "$1"
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}
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panic()
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{
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print "$1" "\033[1;31m!!\033[m" >&2
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exit 1
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}
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usage()
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{
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@ -69,7 +76,7 @@ parse_args()
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prepare_environment()
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{
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info "preparing environment"
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print "preparing environment"
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# false positive
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# shellcheck disable=1090
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@ -96,21 +103,35 @@ prepare_environment()
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workdirlib="${workdir}/usr/lib/"
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modker="${moddir}/${kernel}"
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OLD_IFS="$IFS"
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trap trap_helper EXIT INT
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# false positive
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# shellcheck disable=2015
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[ "$debug" = 1 ] && set -x ||:
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}
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remove_workdir()
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trap_helper()
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{
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info "removing working directory"
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# TODO need cleanup
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ret="$?"
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trap - EXIT INT
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[ "$debug" != 1 ] && {
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print "removing working directory"
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rm -rf "$workdir"
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}
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[ "$ret" != 0 ] && panic "something went wrong"
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}
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install_requirements()
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{
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info "installing requirements"
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print "installing requirements"
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# install user specified and required binaries
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for _binary in $binaries \[ sh ln sleep mount printf setsid switch_root; do
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for _binary in \[ sh ln sleep mount printf setsid switch_root $binaries; do
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install_binary "$_binary"
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done
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@ -129,7 +150,7 @@ install_requirements()
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create_structure()
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{
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info "creating directory structure"
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print "creating directory structure"
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mkdir -p \
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"${workdir}/etc" \
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@ -145,7 +166,7 @@ create_structure()
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create_symlinks()
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{
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info "creating symlinks"
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print "creating symlinks"
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ln -s usr/lib "${workdir}/lib"
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ln -s usr/lib "${workdir}/lib64"
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@ -157,7 +178,7 @@ create_symlinks()
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install_devmgr()
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{
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info "installing device manager"
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print "installing device manager"
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install_device_helper()
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{
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@ -214,7 +235,7 @@ install_devmgr()
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install_lvm()
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{
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info "installing LVM"
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print "installing LVM"
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for _binary in lvchange vgchange; do
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install_binary "$_binary"
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@ -256,7 +277,7 @@ install_lvm()
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install_luks()
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{
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info "installing LUKS"
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print "installing LUKS"
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install_binary cryptsetup
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@ -310,7 +331,7 @@ install_module()
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install_hostonly_modules()
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{
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info "installing hostonly modules"
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print "installing hostonly modules"
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# perform autodetection of modules via /sys
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find /sys -name modalias -exec sort -u {} + |
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@ -346,7 +367,7 @@ install_hostonly_modules()
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install_all_modules()
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{
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info "installing all modules"
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print "installing all modules"
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find \
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"${modker}/kernel/arch" \
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@ -420,9 +441,7 @@ install_binary()
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while read -r _library || [ "$_library" ]; do
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# strip unneeded stuff
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for _exclude_library in vdso gate; do
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case "$_library" in *"$_exclude_library"*) continue 2 ;; esac
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done
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[ "${_library##*vdso*}" ] || continue
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_library="${_library#* => }"
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_library="${_library% *}"
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@ -451,17 +470,20 @@ install_library()
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create_initramfs()
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{
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info "creating initramfs image"
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# TODO add uncompressed option
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print "creating initramfs image"
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# check if image already exist
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[ "$force" != 1 ] && [ -e "$output" ] &&
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panic "initramfs image already exist"
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(
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cd "$workdir"
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find . | cpio -oH newc | ${compress:-gzip -9}
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cd "$workdir"; find . |
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if [ "$compress" = none ]; then
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cpio -oH newc
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else
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cpio -oH newc | ${compress:-gzip -9}
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fi
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) > "$output" 2> /dev/null ||
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panic "failed to generate initramfs image"
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@ -474,17 +496,6 @@ create_initramfs()
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parse_args "$@"
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prepare_environment
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[ "$debug" = 1 ] && set -x
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# hacky, but compatible with all posix shells
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trap '
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ret="$?"
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trap - EXIT INT
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[ "$debug" != 1 ] && remove_workdir
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[ "$ret" != 0 ] && [ "$panic" != 1 ] && panic "something went wrong"
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' EXIT INT
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create_structure
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create_symlinks
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@ -517,7 +528,8 @@ create_initramfs()
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install_binary "$_binary"
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done
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cp "${modker}/modules.builtin" \
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install -m644 \
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"${modker}/modules.builtin" \
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"${modker}/modules.order" \
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"${workdir}${modker}"
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@ -528,5 +540,5 @@ create_initramfs()
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install_requirements
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create_initramfs
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info "done! check out - $output"
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print "done! check out $output"
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}
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@ -8,8 +8,17 @@
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# false positive
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# shellcheck disable=2154,2163,1091
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panic() { printf "panic >> %s\n" "$1" >&2; shell; }
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info() { printf "info >> %s\n" "$1"; shell; }
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print()
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{
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printf "%b %s\n" "${2:-\033[1;37m>>\033[m}" "$1"
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shell
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}
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panic()
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{
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print "$1" "\033[1;31m!!\033[m" >&2
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shell
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}
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shell()
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{
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@ -38,7 +47,7 @@ findfs()
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# avoid race condition
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while [ ! -e "$device" ]; do
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[ "$value" = 80 ] && panic "failed to lookup partition"
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[ "$value" = 30 ] && panic "failed to lookup partition"
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value=$(( value + 1 )); sleep 1
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done
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}
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@ -84,6 +93,12 @@ parse_cmdline()
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debug | debug=1)
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set -x
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;;
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rootfstype=*)
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root_type="$line"
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;;
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rootflags=*)
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root_opts="$line"
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;;
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ro | rw)
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rorw="-o $line"
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;;
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@ -102,7 +117,7 @@ parse_cmdline()
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setup_devmgr()
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{
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[ "$break" = devmgr ] && info "break before setup device manager"
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[ "$break" = devmgr ] && print "break before setup device manager"
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case "$devmgr" in
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udev)
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@ -128,7 +143,7 @@ setup_devmgr()
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unlock_luks()
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{
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[ "$break" = luks ] && info "break before unlock LUKS"
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[ "$break" = luks ] && print "break before unlock LUKS"
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{ IFS=,; set -- $luks_opts; IFS="$OLD_IFS"; }
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@ -160,7 +175,7 @@ unlock_luks()
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trigger_lvm()
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{
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[ "$break" = lvm ] && info "break before trigger LVM"
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[ "$break" = lvm ] && print "break before trigger LVM"
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{ IFS=,; set -- $lvm_opts; IFS="$OLD_IFS"; }
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@ -197,7 +212,7 @@ trigger_lvm()
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mount_root()
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{
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[ "$break" = root ] && info "break before mount root"
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[ "$break" = root ] && print "break before mount root"
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findfs "$root"
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@ -211,7 +226,7 @@ mount_root()
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cleanup()
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{
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[ "$break" = cleanup ] && info "break before cleanup"
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[ "$break" = cleanup ] && print "break before cleanup"
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case "$devmgr" in
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udev) udevadm control -e ;;
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@ -228,7 +243,7 @@ cleanup()
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boot_system()
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{
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[ "$break" = boot ] && info "break before boot system"
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[ "$break" = boot ] && print "break before boot system"
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set -- "/mnt/root" "${init:-/sbin/init}"
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exec switch_root $@ 2> /dev/null || panic "failed to boot system"
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