refactor config
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illiliti
parent
ec2dedc461
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ce3a47922e
24
config
24
config
@ -3,7 +3,7 @@
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#
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# debug mode
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#debug=0
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debug=1
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# custom init
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#init=""
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@ -18,11 +18,11 @@
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#compress=""
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# root fs ( device,partuuid,uuid,label )
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#root=""
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root="UUID=07729c48-25d8-4096-acaf-ce5322915680"
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# root type
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# change this if you using busybox util-linux
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#root_type=""
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root_type="ext4"
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# root options
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#root_opts=""
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@ -30,13 +30,13 @@
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# disable this if you want to get rid of util-linux
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# NOTE busybox util-linux implemetation doesn't have
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# PARTUUID support and proper filesystem type autodetection
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#util_linux=0
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util_linux=1
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# device manager ( mdev,mdevd,udev )
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#devmgr=""
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devmgr="mdev"
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# hostonly mode
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#hostonly=0
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hostonly=0
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# custom drivers
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#drivers=""
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@ -45,7 +45,7 @@
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#binaries=""
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# LVM support
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#lvm=0
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lvm=1
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# LVM logical volume name
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#lvm_name=""
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@ -54,19 +54,19 @@
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#lvm_group=""
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# LVM include config
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#lvm_conf=0
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#lvm_conf=1
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# LVM issue_discards
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#lvm_discard=0
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lvm_discard=1
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# LVM options
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#lvm_args=""
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# LUKS support
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#luks=0
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luks=1
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# LUKS encrypted root ( device,partuuid,uuid,label )
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#luks_root=""
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luks_root="PARTUUID=b04395be-f467-458b-8630-9a429b487600"
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# luks mapper name ( /dev/mapper/<name> )
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#luks_name=""
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@ -78,7 +78,7 @@
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#luks_keyfile="/path/to/keyfile"
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# LUKS allow_discards
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#luks_discard=0
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luks_discard=1
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# LUKS options
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#luks_args=""
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47
generate
47
generate
@ -21,6 +21,7 @@ msg() {
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}
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usage() {
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# TODO more options
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cat << EOF
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usage: $0 [options]
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-o, --output <file> output file. default is $(readlink -f $(dirname "$0"))/initramfs-$(uname -r)
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@ -53,6 +54,22 @@ parse_args() {
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done
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}
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parse_conf() {
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while read -r line; do
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# ignore comments
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if [ ! "${line##\#*}" ]; then
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continue
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# check if variable already exists via 'variable indirection' method
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# if no exists then 'source' variable
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# see https://stackoverflow.com/q/36235612
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elif [ ! "$(eval printf "%s" "\"\$${line%%=*}\"")" ]; then
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eval "$line"
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fi
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done < "${filesdir:-$(readlink -f $(dirname "$0"))}/config" || msg panic "failed to parse config"
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}
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create_wrkdir() {
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msg info "creating working directory"
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@ -102,6 +119,7 @@ create_symlinks() {
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msg info "creating symlinks"
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# TODO remove grouping
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( cd "$wrkdir" && {
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ln -s usr/lib lib
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ln -s usr/lib lib64
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@ -261,7 +279,7 @@ generate_depmod() {
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modker="${moddir}/${kernel}"
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cp "${modker}/modules.builtin" "${modker}/modules.order" "${wrkdir}/${modker}"
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cp "${modker}/modules.builtin" "${modker}/modules.order" "${wrkdir}${modker}"
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depmod -b "$wrkdir" "$kernel"
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}
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@ -275,7 +293,7 @@ install_binary() {
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fullbin=$(command -v "$binary")
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# check binary existence
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# check if binary exists
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[ "$fullbin" ] || msg panic "$binary doesn't exists"
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# install and strip binary
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@ -308,9 +326,9 @@ install_library() {
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# check symlink
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if [ -h "$library" ]; then
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# check lib already existence
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# check if library already exists
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[ -e "${wrkdirlib}${fulllib##*/}" ] ||
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[ -e "${wrkdirlib}${namelib}" ] ||
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[ -e "${wrkdir}${fulllib}" ] ||
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{
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# regular
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install -s -m755 "${fulllib}" -t "${wrkdirlib}"
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@ -385,12 +403,16 @@ EOF
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create_initramfs() {
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msg info "creating initramfs image"
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# TODO add uncompressed option
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# TODO remove grouping
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{
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(
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cd "$wrkdir"
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find . | cpio -oH newc | ${compress:-gzip -9}
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) | tee "${initramfs:-${filesdir}/initramfs-${kernel}}"
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) | tee "$initramfs"
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} > /dev/null 2>&1 || msg panic "failed to generate initramfs image"
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}
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@ -399,11 +421,12 @@ create_initramfs() {
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[ "$(id -u)" = 0 ] || msg panic "must be run as root"
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parse_args "$@"
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parse_conf
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. "${filesdir:=$(readlink -f $(dirname "$0"))}/config" || msg panic "failed to source config"
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# remove wrkdir on exit or unexpected error
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trap remove_wrkdir EXIT INT
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: "${kernel:=$(uname -r)}"
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: "${moddir:=/lib/modules}"
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: "${filesdir:=$(readlink -f $(dirname "$0"))}"
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: "${initramfs:=${filesdir}/initramfs-${kernel}}"
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[ "$debug" = 1 ] && {
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# debug shell commands
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@ -412,8 +435,8 @@ trap remove_wrkdir EXIT INT
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trap - EXIT INT
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}
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kernel="${kernel:-$(uname -r)}"
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moddir="/lib/modules"
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# remove wrkdir on exit or unexpected error
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trap remove_wrkdir EXIT INT
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create_wrkdir
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create_structure
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@ -440,4 +463,4 @@ esac
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install_files
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create_initramfs
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msg info "done! check out ${initramfs:-${filesdir}/initramfs-${kernel}}"
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msg info "done! check out $initramfs"
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