diff --git a/generate b/generate
index 127c5ef..204a7a6 100755
--- a/generate
+++ b/generate
@@ -5,18 +5,18 @@
 # print message
 msg() {
     case "$1" in
-	info)
-	    printf "info >> %s\n" "$2" >&2
-	    ;;
-	warn)
-	    printf "warning >> %s\n" "$2" >&2
-	    printf "do you want to continue? press enter or ctrl+c to exit\n"
-	    read -r _
-	    ;;
-	panic)
-	    printf "panic >> %s\n" "$2" >&2
-	    exit 1
-	    ;;
+        info)
+            printf "info >> %s\n" "$2" >&2
+            ;;
+        warn)
+            printf "warning >> %s\n" "$2" >&2
+            printf "do you want to continue? press enter or ctrl+c to exit\n"
+            read -r _
+            ;;
+        panic)
+            printf "panic >> %s\n" "$2" >&2
+            exit 1
+            ;;
     esac
 }
 
@@ -47,8 +47,8 @@ remove_tmpdir() {
 check_currentdir() {
     script_dir=$(dirname $(readlink -f "$0"))
     [ "$PWD" = "$script_dir" ] || {
-	msg info "changing directory to script dir"
-	cd "$script_dir" || msg panic "failed to change directory"
+        msg info "changing directory to script dir"
+        cd "$script_dir" || msg panic "failed to change directory"
     }
 }
 
@@ -57,43 +57,43 @@ check_requirements() {
     msg info "checking requirements"
 
     # check busybox installed
-    command -v busybox >/dev/null 2>&1 && {
-	# check busybox supports CONFIG_FEATURE_INSTALLER
-	busybox --help | grep -q "\-\-install \[\-s\]" || msg panic "recompile busybox with CONFIG_FEATURE_INSTALLER"
+    command -v busybox > /dev/null 2>&1 && {
+        # check busybox supports CONFIG_FEATURE_INSTALLER
+        busybox --help | grep -q "\-\-install \[\-s\]" || msg panic "recompile busybox with CONFIG_FEATURE_INSTALLER"
 
-	# check requirements for init
-	for busybox_dep in mdev uevent switch_root; do
-	    busybox $busybox_dep --help >/dev/null 2>&1 || msg panic "recompile busybox with $busybox_dep"
-	done
+        # check requirements for init
+        for busybox_dep in mdev uevent switch_root; do
+            busybox $busybox_dep --help > /dev/null 2>&1 || msg panic "recompile busybox with $busybox_dep"
+        done
     } || msg panic "busybox doesn't installed"
 
     # check kmod modprobe installed
-    command -v modprobe >/dev/null 2>&1 && {
-	# busybox modprobe doesn't supported(yet)
-	modprobe --version 2>&1 | grep -q "kmod" || msg panic "kmod modprobe version doesn't installed"
+    command -v modprobe > /dev/null 2>&1 && {
+        # busybox modprobe doesn't supported(yet)
+        modprobe --version 2>&1 | grep -q "kmod" || msg panic "kmod modprobe version doesn't installed"
     } || msg panic "modprobe doesn't installed"
 
     # check util-linux tools
     [ "$use_util_linux" = 1 ] && {
-	# check mount installed
-	if command -v mount >/dev/null 2>&1; then
-	    mount --version 2>&1 | grep -q "util-linux" || {
-		msg warning "util-linux mount version doesn't installed. PARTUUID and filesystem type autodetection support will be missing"
-		use_util_linux=0
-	    }
-	else
-	    msg panic "mount doesn't installed"
-	fi
+        # check mount installed
+        if command -v mount > /dev/null 2>&1; then
+            mount --version 2>&1 | grep -q "util-linux" || {
+                msg warning "util-linux mount version doesn't installed. PARTUUID and filesystem type autodetection support will be missing"
+                use_util_linux=0
+            }
+        else
+            msg panic "mount doesn't installed"
+        fi
 
-	# check blkid installed
-	if command -v blkid >/dev/null 2>&1; then
-	    blkid --version 2>&1 | grep -q "util-linux" || {
-		msg warning "util-linux blkid version doesn't installed. PARTUUID support will be missing"
-		use_util_linux=0
-	    }
-	else
-	    msg panic "blkid doesn't installed"
-	fi
+        # check blkid installed
+        if command -v blkid > /dev/null 2>&1; then
+            blkid --version 2>&1 | grep -q "util-linux" || {
+                msg warning "util-linux blkid version doesn't installed. PARTUUID support will be missing"
+                use_util_linux=0
+            }
+        else
+            msg panic "blkid doesn't installed"
+        fi
     }
 }
 
@@ -115,7 +115,7 @@ install_requirements() {
 create_structure() {
     msg info "creating directory structure"
     for dir in dev tmp var run etc usr/lib usr/bin mnt/root proc root sys; do
-	mkdir -p "${tmpdir}/${dir}"
+        mkdir -p "${tmpdir}/${dir}"
     done
 }
 
@@ -126,14 +126,14 @@ create_structure() {
 create_symlinks() {
     msg info "creating symlinks"
     ( cd "$tmpdir" && {
-	ln -s usr/lib lib
-	ln -s usr/lib lib64
-	ln -s usr/bin bin
-	ln -s usr/bin sbin
-	ln -s ../run var/run
-	cd "${tmpdir}/usr"
-	ln -s bin sbin
-	ln -s lib lib64
+        ln -s usr/lib lib
+        ln -s usr/lib lib64
+        ln -s usr/bin bin
+        ln -s usr/bin sbin
+        ln -s ../run var/run
+        cd "${tmpdir}/usr"
+        ln -s bin sbin
+        ln -s lib lib64
     } )
 }
 
@@ -166,7 +166,7 @@ install_udev() {
     msg info "installing udev"
     install_binaries udevd udevadm dmsetup
     # FIXME rewrite this piece of crap
-    find /usr/lib/udev -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir" >/dev/null 2>&1
+    find /usr/lib/udev -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir" > /dev/null 2>&1
 }
 
 # handle lvm
@@ -176,18 +176,18 @@ install_lvm() {
 
     # if hostonly mode enabled install only needed drivers
     [ "$hostonly" = 1 ] && {
-	for lvm_driver in dm-thin-pool dm-multipath dm-snapshot dm-cache dm-log dm-mirror; do
-	    for lvm_driver_dep in $(modprobe -D "$lvm_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
-		install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}"
-	    done
-	done
+        for lvm_driver in dm-thin-pool dm-multipath dm-snapshot dm-cache dm-log dm-mirror; do
+            for lvm_driver_dep in $(modprobe -D "$lvm_driver" 2> /dev/null | grep -v builtin | cut -d " " -f 2); do
+                install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}"
+            done
+        done
     }
 
     if [ "$lvm_conf" = 1 ]; then
-	install -Dm644 /etc/lvm/*.conf -t "${tmpdir}/etc/lvm" || msg panic "failed to install LVM config"
+        install -Dm644 /etc/lvm/*.conf -t "${tmpdir}/etc/lvm" || msg panic "failed to install LVM config"
     else
-	mkdir "${tmpdir}/etc/lvm"
-	cat <<EOF > "${tmpdir}/etc/lvm/lvm.conf"
+        mkdir "${tmpdir}/etc/lvm"
+        cat << EOF > "${tmpdir}/etc/lvm/lvm.conf"
 devices {
     issue_discards = ${lvm_discard:-0}
 }
@@ -206,11 +206,11 @@ install_luks() {
 
     # if hostonly mode enabled install only needed drivers
     [ "$hostonly" = 1 ] && {
-	for luks_driver in aes dm-crypt sha256 sha512 wp512 ecb lrw xts twofish serpent; do
-	    for luks_driver_dep in $(modprobe -D "$luks_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
-		install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}"
-	    done
-	done
+        for luks_driver in aes dm-crypt sha256 sha512 wp512 ecb lrw xts twofish serpent; do
+            for luks_driver_dep in $(modprobe -D "$luks_driver" 2> /dev/null | grep -v builtin | cut -d " " -f 2); do
+                install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}"
+            done
+        done
     }
 
     # avoid locking directory missing warning message
@@ -225,14 +225,14 @@ install_luks() {
 
     # copy luks header
     [ -f "$luks_header" ] && {
-	install -m400 "$luks_header" "${tmpdir}/root/luks_header" || msg panic "failed to copy LUKS header"
-	luks_args="--header=/root/luks_header $luks_args"
+        install -m400 "$luks_header" "${tmpdir}/root/luks_header" || msg panic "failed to copy LUKS header"
+        luks_args="--header=/root/luks_header $luks_args"
     }
 
     # copy luks keyfile
     [ -f "$luks_keyfile" ] && {
-	install -m400 "$luks_keyfile" "${tmpdir}/root/luks_keyfile" || msg panic "failed to copy LUKS keyfile"
-	luks_args="--key-file=/root/luks_keyfile $luks_args"
+        install -m400 "$luks_keyfile" "${tmpdir}/root/luks_keyfile" || msg panic "failed to copy LUKS keyfile"
+        luks_args="--key-file=/root/luks_keyfile $luks_args"
     }
 }
 
@@ -243,25 +243,25 @@ install_drivers() {
 
     # perform autodetection of drivers via /sys
     find /sys/devices -name modalias -exec sort -u "{}" "+" | while read -r driver; do
-        for driver_dep in $(modprobe -D "$driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
-	    install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}"
+        for driver_dep in $(modprobe -D "$driver" 2> /dev/null | grep -v builtin | cut -d " " -f 2); do
+            install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}"
         done
     done
 
     # TODO autodetect root fs driver
     # TODO separate root type option
     # install root fs driver
-    for root_driver in $(modprobe -D "$root_type" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
+    for root_driver in $(modprobe -D "$root_type" 2> /dev/null | grep -v builtin | cut -d " " -f 2); do
         install -Dm644 "$root_driver" "${tmpdir}${root_driver}"
     done
 
     # install user specified drivers
     [ -n "$drivers" ] && {
-	printf "%s\n" "$drivers" | while read -r custom_driver; do
-	    for custom_driver_dep in $(modprobe -D "$custom_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
-		install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}"
-	    done
-	done
+        printf "%s\n" "$drivers" | while read -r custom_driver; do
+            for custom_driver_dep in $(modprobe -D "$custom_driver" 2> /dev/null | grep -v builtin | cut -d " " -f 2); do
+                install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}"
+            done
+        done
     }
 }
 
@@ -280,7 +280,7 @@ install_all_drivers() {
         "${modker}/kernel/drivers/usb/storage" \
         "${modker}/kernel/drivers/usb/host" \
         "${modker}/kernel/drivers/virtio" \
-        -type f | cpio -pd "$tmpdir" >/dev/null 2>&1
+        -type f | cpio -pd "$tmpdir" > /dev/null 2>&1
 }
 
 # generate "modules" files
@@ -297,18 +297,18 @@ generate_depmod() {
 # handle binaries
 install_binaries() {
     printf "%s\n" "$@" | while read -r binary; do
-	msg info "installing binary $binary"
-	# check binary existence
-	command -v "$binary" >/dev/null 2>&1 || msg panic "$binary doesn't exists"
+        msg info "installing binary $binary"
+        # check binary existence
+        command -v "$binary" > /dev/null 2>&1 || msg panic "$binary doesn't exists"
 
-	# install and strip binary
-	install -s -m755 "$(command -v $binary)" -t "${tmpdir}/usr/bin"
+        # install and strip binary
+        install -s -m755 "$(command -v $binary)" -t "${tmpdir}/usr/bin"
 
         # check statically linking
-	ldd "$(command -v $binary)" >/dev/null 2>&1 || continue
+        ldd "$(command -v $binary)" > /dev/null 2>&1 || continue
 
-	# install libraries
-	install_libraries $binary
+        # install libraries
+        install_libraries $binary
     done
 }
 
@@ -316,26 +316,26 @@ install_binaries() {
 # handle libraries
 install_libraries() {
     for library in $(ldd "$(command -v $1)" | sed -nre 's,.* (/.*lib.*/.*.so.*) .*,\1,p' -e 's,.*(/lib.*/ld.*.so.*) .*,\1,p'); do
-	msg info "installing library $library"
-	# check symlink
-	if [ -h "$library" ]; then
-	    # check lib already existence
-	    if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ] && [ ! -e "${tmpdir}/$(readlink -f $library)" ]; then
-		# regular
-		install -s -m755 "$(readlink -f $library)" -t "${tmpdir}/usr/lib"
+        msg info "installing library $library"
+        # check symlink
+        if [ -h "$library" ]; then
+            # check lib already existence
+            if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ] && [ ! -e "${tmpdir}/$(readlink -f $library)" ]; then
+                # regular
+                install -s -m755 "$(readlink -f $library)" -t "${tmpdir}/usr/lib"
 
-		# FIXME handle all symlinks
-		# symlink may link to symlink
-		[ -h "/usr/lib/$(readlink $library)" ] && cp -a "/usr/lib/$(readlink $library)" "${tmpdir}/usr/lib"
+                # FIXME handle all symlinks
+                # symlink may link to symlink
+                [ -h "/usr/lib/$(readlink $library)" ] && cp -a "/usr/lib/$(readlink $library)" "${tmpdir}/usr/lib"
 
-		# symlink
-		cp -a "$library" "${tmpdir}/usr/lib"
-	    fi
-	else
-	    if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ]; then
-		install -s -m755 "$library" -t "${tmpdir}/usr/lib"
-	    fi
-	fi
+                # symlink
+                cp -a "$library" "${tmpdir}/usr/lib"
+            fi
+        else
+            if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ]; then
+                install -s -m755 "$library" -t "${tmpdir}/usr/lib"
+            fi
+        fi
     done
 }
 
@@ -344,7 +344,7 @@ install_files() {
     msg info "installing files"
     # FIXME eof broken
     # initialize config
-    cat <<EOF > "${tmpdir}/config"
+    cat << EOF > "${tmpdir}/config"
 debug="$debug"
 root="$root"
 root_type="$root_type"
@@ -358,7 +358,7 @@ luks_args="$luks_args"
 EOF
 
     # needed for devmgr
-    cat <<EOF > "${tmpdir}/etc/group"
+    cat << EOF > "${tmpdir}/etc/group"
 root:x:0:
 tty:x:5:
 dialout:x:11:
@@ -376,7 +376,7 @@ floppy:x:8:
 EOF
 
     # needed for devmgr
-    cat <<EOF > "${tmpdir}/etc/passwd"
+    cat << EOF > "${tmpdir}/etc/passwd"
 root:x:0:0::/root:/bin/sh
 nobody:x:99:99::/:/bin/false
 EOF
@@ -390,12 +390,14 @@ EOF
 create_initramfs() {
     msg info "creating initramfs image"
     {
-	( cd "$tmpdir"
-	find . |
-	cpio -oH newc |
-	gzip -9 ) |
-	tee "${script_dir}/initramfs-${kernel}.img.gz"
-    } >/dev/null 2>&1 || msg panic "failed to generate initramfs image"
+        (
+            cd "$tmpdir"
+            find . \
+                | cpio -oH newc \
+                | gzip -9
+        ) \
+            | tee "${script_dir}/initramfs-${kernel}.img.gz"
+    } > /dev/null 2>&1 || msg panic "failed to generate initramfs image"
 }
 
 # check root
diff --git a/init b/init
index a06c6f7..c715d45 100644
--- a/init
+++ b/init
@@ -22,9 +22,9 @@ mnt_pseudofs() {
 use_mdev() {
     # setup hotplugger
     if [ -e /proc/sys/kernel/hotplug ]; then
-	printf /sbin/mdev >/proc/sys/kernel/hotplug
+        printf /sbin/mdev > /proc/sys/kernel/hotplug
     else
-	uevent mdev &
+        uevent mdev &
     fi
 
     # trigger mdev
@@ -32,10 +32,10 @@ use_mdev() {
 
     # trigger uevent for usb devices
     for u in /sys/bus/usb/devices/*; do
-	case ${u##*/} in
-	    [0-9]*-[0-9]*)
-	    printf add > "${u}/uevent"
-            ;;
+        case ${u##*/} in
+            [0-9]*-[0-9]*)
+                printf add > "${u}/uevent"
+                ;;
         esac
     done
 
@@ -66,21 +66,21 @@ use_udev() {
 # shell findfs
 findfs_sh() {
     case "${1%%=*}" in
-	LABEL)
-	    printf "/dev/disk/by-label/%s\n" "${1##*=}"
-	    ;;
-	UUID)
-	    printf "/dev/disk/by-uuid/%s\n" "${1##*=}"
-	    ;;
-	PARTUUID)
-	    printf "/dev/disk/by-partuuid/%s\n" "${1##*=}"
-	    ;;
-	/dev/*)
-	    printf "%s\n" "$1"
-	    ;;
-	*)
-	    panic "findfs option broken"
-	    ;;
+        LABEL)
+            printf "/dev/disk/by-label/%s\n" "${1##*=}"
+            ;;
+        UUID)
+            printf "/dev/disk/by-uuid/%s\n" "${1##*=}"
+            ;;
+        PARTUUID)
+            printf "/dev/disk/by-partuuid/%s\n" "${1##*=}"
+            ;;
+        /dev/*)
+            printf "%s\n" "$1"
+            ;;
+        *)
+            panic "findfs option broken"
+            ;;
     esac
 }
 
@@ -100,7 +100,7 @@ unlock_luks() {
 
 # manually trigger LVM if udev disabled
 trigger_lvm() {
-    lvm vgchange --quiet --sysinit -a y >/dev/null
+    lvm vgchange --quiet --sysinit -a y > /dev/null
 }
 
 # mount rootfs to /mnt/root
@@ -112,30 +112,30 @@ mnt_rootfs() {
     # find root
     root="$(findfs_sh $root)"
 
-    # mount rootfs    
+    # mount rootfs
     mount $mount_args "$root" /mnt/root || panic "failed to mount rootfs"
 }
 
 # kill and unmount
 cleanup() {
     case "$devmgr" in
-	mdev)
-	    # stop mdev
-	    { printf "" >/proc/sys/kernel/hotplug || killall uevent; } >/dev/null 2>&1
-	    ;;
-	mdevd)
-	    # stop mdevd
-	    killall mdevd
-	    ;;
-	udev)
-	    # stop udev
-	    udevadm control --exit
-	    ;;
+        mdev)
+            # stop mdev
+            { printf "" > /proc/sys/kernel/hotplug || killall uevent; } > /dev/null 2>&1
+            ;;
+        mdevd)
+            # stop mdevd
+            killall mdevd
+            ;;
+        udev)
+            # stop udev
+            udevadm control --exit
+            ;;
     esac
 
     # TODO re-do
     # if debug mode off then restore kernel logging
-    [ "$debug" = 0 ] && printf 1 >/proc/sys/kernel/printk
+    [ "$debug" = 0 ] && printf 1 > /proc/sys/kernel/printk
 
     # unmount pseudofs's
     umount /dev /sys /proc /tmp
@@ -154,11 +154,11 @@ boot_system() {
 
 # TODO re-do
 if [ "$debug" = 1 ]; then
-    # debug shell commands 
+    # debug shell commands
     set -x
 else
     # silence is golden
-    printf 0 >/proc/sys/kernel/printk
+    printf 0 > /proc/sys/kernel/printk
 fi
 
 #parse_cmdline