fix mixed tabs & spaces and surplus empty lines at EOF

24 files changed, 216 insertions, 236 deletions

diff --git a/Makefile b/Makefile
index 5e4e26b..00639a4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION		:= 3.4.1
 
-sysconfdir      ?= /etc/lbu
+sysconfdir	?= /etc/lbu
 
 PREFIX		?=
 
@@ -36,10 +36,10 @@ ETC_LBU_FILES	:= lbu.conf
 
 GIT_REV		:= $(shell test -d .git && git describe || echo exported)
 ifneq ($(GIT_REV), exported)
-FULL_VERSION    := $(patsubst $(PACKAGE)-%,%,$(GIT_REV))
-FULL_VERSION    := $(patsubst v%,%,$(FULL_VERSION))
+FULL_VERSION	:= $(patsubst $(PACKAGE)-%,%,$(GIT_REV))
+FULL_VERSION	:= $(patsubst v%,%,$(FULL_VERSION))
 else
-FULL_VERSION    := $(VERSION)
+FULL_VERSION	:= $(VERSION)
 endif
 
 
@@ -88,4 +88,3 @@ uninstall:
 
 clean:
 	rm -rf $(SCRIPTS) $(BIN_FILES)
-
diff --git a/lbu.in b/lbu.in
index 0c70d1a..81eef2e 100644
--- a/lbu.in
+++ b/lbu.in
@@ -206,7 +206,7 @@ unpack_apkovl() {
 		return
 	fi
 	check_openssl
-        while [ $count -lt 3 ]; do
+	while [ $count -lt 3 ]; do
 		$OPENSSL enc -d -$ENCRYPTION -in "$mnt/$f" | tar \
 			-C "$dest" -zx 2>/dev/null && return 0
 		count=$(( $count + 1 ))
diff --git a/libalpine.sh.in b/libalpine.sh.in
index 67d7aa1..760eaec 100644
--- a/libalpine.sh.in
+++ b/libalpine.sh.in
@@ -98,26 +98,26 @@ is_xen_dom0() {
 
 # list of available network interfaces that aren't part of any bridge or bond
 available_ifaces() {
-        local iflist= ifpath= iface= i=
+	local iflist= ifpath= iface= i=
 	if ! [ -d /sys/class/net ]; then
 		ip link | awk -F: '$1 ~ /^[0-9]+$/ {printf "%s",$2}'
 		return
 	fi
-        sorted_ifindexes=$(
-                for i in /sys/class/net/*/ifindex; do
-                        [ -e "$i" ] || continue
-                        echo -e "$(cat $i)\t$i";
-                done | sort -n | awk '{print $2}')
-        for i in $sorted_ifindexes; do
-                ifpath=${i%/*}
-                iface=${ifpath##*/}
-                # skip interfaces that are part of a bond or bridge
-                if [ -d "$ifpath"/master/bonding ] || [ -d "$ifpath"/brport ]; then
-                        continue
-                fi
-                iflist="${iflist}${iflist:+ }$iface"
-        done
-        echo $iflist
+	sorted_ifindexes=$(
+		for i in /sys/class/net/*/ifindex; do
+			[ -e "$i" ] || continue
+			echo -e "$(cat $i)\t$i";
+		done | sort -n | awk '{print $2}')
+	for i in $sorted_ifindexes; do
+		ifpath=${i%/*}
+		iface=${ifpath##*/}
+		# skip interfaces that are part of a bond or bridge
+		if [ -d "$ifpath"/master/bonding ] || [ -d "$ifpath"/brport ]; then
+			continue
+		fi
+		iflist="${iflist}${iflist:+ }$iface"
+	done
+	echo $iflist
 }
 
 # from OpenBSD installer
@@ -168,7 +168,7 @@ isin() {
 # remove all occurrences of first argument from list formed by
 # the remaining arguments
 rmel() {
-	local   _a=$1 _b
+	local _a=$1 _b
 
 	shift
 	for _b; do
@@ -176,17 +176,17 @@ rmel() {
 	done
 }
 
-# Issue a read into the global variable $resp. 
+# Issue a read into the global variable $resp.
 _ask() {
 	local _redo=0
 
 	read resp
 	case "$resp" in
-	!)      echo "Type 'exit' to return to setup."
+	!)	echo "Type 'exit' to return to setup."
 		sh
 		_redo=1
 		;;
-	!*)     eval "${resp#?}"
+	!*)	eval "${resp#?}"
 		_redo=1
 		;;
 	esac
@@ -266,4 +266,3 @@ ask_which() {
 		echo "'$resp' is not a valid choice."
 	done
 }
-
diff --git a/setup-alpine.in b/setup-alpine.in
index c120c99..4aa5da3 100644
--- a/setup-alpine.in
+++ b/setup-alpine.in
@@ -33,7 +33,7 @@ options:
  -h  Show this help
  -q  Quick mode. Ask fewer questions.
 __EOF__
-        exit 1
+	exit 1
 }
 
 while getopts "af:c:hq" opt ; do
@@ -211,4 +211,3 @@ if [ "$diskmode" != "sys" ]; then
 		apk cache sync
 	fi
 fi
-
diff --git a/setup-apkcache.in b/setup-apkcache.in
index 5210d82..d4bfb39 100644
--- a/setup-apkcache.in
+++ b/setup-apkcache.in
@@ -5,7 +5,7 @@ PREFIX=
 . "$PREFIX/lib/libalpine.sh"
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-apkcache [-h] [DIR]
 
 Setup apk caching.
@@ -15,7 +15,7 @@ If DIR is not specified user will be asked for location.
 options:
  -h  Show this help
 __EOF__
-        exit 1
+	exit 1
 }
 
 is_mounted() {
@@ -97,9 +97,9 @@ __EOF__
 }
 
 while getopts "h" opt; do
-        case $opt in
+	case $opt in
 		h) usage;;
-        esac
+	esac
 done
 shift $(( $OPTIND - 1 ))
 
@@ -165,4 +165,3 @@ case "$cleanup" in
 	umount) umount $mount;;
 	remount) mount -o remount,ro $mount;;
 esac
-
diff --git a/setup-apkrepos.in b/setup-apkrepos.in
index 136dcf8..8c5e1e6 100644
--- a/setup-apkrepos.in
+++ b/setup-apkrepos.in
@@ -158,11 +158,11 @@ __EOF__
 }
 
 while getopts "fhr" opt; do
-        case $opt in
-                f) JUSTADDFASTEST=1;;
-                h) usage;;
-                r) JUSTADDRANDOM=1;;
-        esac
+	case $opt in
+		f) JUSTADDFASTEST=1;;
+		h) usage;;
+		r) JUSTADDRANDOM=1;;
+	esac
 done
 shift $(($OPTIND - 1))
 
diff --git a/setup-bootable.in b/setup-bootable.in
index 35a5f73..205aa1b 100644
--- a/setup-bootable.in
+++ b/setup-bootable.in
@@ -98,14 +98,14 @@ find_syslinux_cfg() {
 fix_syslinux_kernel() {
 	echo "Fixing $syslinux_cfg: kernel $1 -> $2"
 		sed -i -e "/^\s*[Kk][Ee][Rr][Nn][Ee][Ll]\s/s|$1|$2|" \
-                "$destdir/$syslinux_cfg"
+ 			"$destdir/$syslinux_cfg"
 }
 
 fix_syslinux_initrd() {
 	echo "Fixing $syslinux_cfg: initrd $1 -> $2"
 	sed -i -e "/^\s*[Ii][Nn][Ii][Tt][Rr][Dd]\s/s|$1|$2|" \
 		-e "/^\s*[Aa][Pp][Pp][Ee][Nn][Dd]\s/s|initrd=$1|initrd=$2|" \
-                "$destdir/$syslinux_cfg"
+			"$destdir/$syslinux_cfg"
 }
 
 check_syslinux() {
@@ -408,4 +408,3 @@ else
 	echo "Warning: Could not find the parent device for $dest"
 fi
 cleanup_installs
-
diff --git a/setup-disk.in b/setup-disk.in
index 3ab35cd..7fbf080 100644
--- a/setup-disk.in
+++ b/setup-disk.in
@@ -903,7 +903,7 @@ ask_disk() {
 				if ! [ -b "/dev/$i" ]; then
 					echo "/dev/$i is not a block device" >&2
 					answer=
-				   fi
+				fi
 			done;;
 		esac
 	done
@@ -912,7 +912,7 @@ ask_disk() {
 usage() {
 	cat <<__EOF__
 usage: setup-disk [-hLqrv] [-k kernelflavor] [-m MODE] [-o apkovl] [-s SWAPSIZE]
-		  [MOUNTPOINT | DISKDEV...]
+                  [MOUNTPOINT | DISKDEV...]
 
 Install alpine on harddisk.
 
@@ -946,9 +946,9 @@ __EOF__
 
 kver=$(uname -r)
 case $kver in
-        *-rc[0-9]*) KERNEL_FLAVOR=vanilla;;
-        *-[a-z]*) KERNEL_FLAVOR=${kver##*-};;
-        *) KERNEL_FLAVOR=vanilla;;
+	*-rc[0-9]*) KERNEL_FLAVOR=vanilla;;
+	*-[a-z]*) KERNEL_FLAVOR=${kver##*-};;
+	*) KERNEL_FLAVOR=vanilla;;
 esac
 
 DISK_MODE=
diff --git a/setup-dns.in b/setup-dns.in
index fbcce70..06568f6 100644
--- a/setup-dns.in
+++ b/setup-dns.in
@@ -4,7 +4,7 @@ PREFIX=
 . "$PREFIX/lib/libalpine.sh"
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-dns [-h] [-d domain name] [IPADDR...]
 
 Setup ${ROOT}etc/resolv.conf DNS settings
@@ -15,15 +15,15 @@ options:
 
 The optional IPADDR are a list of DNS servers to use.
 __EOF__
-        exit 1
+	exit 1
 }
 
 while getopts "d:n:h" opt; do
-        case $opt in
-                d) DOMAINNAME="$OPTARG";;
-                h) usage;;
-                n) NAMESERVERS="$OPTARG";;
-        esac
+	case $opt in
+		d) DOMAINNAME="$OPTARG";;
+		h) usage;;
+		n) NAMESERVERS="$OPTARG";;
+	esac
 done
 shift $(($OPTIND - 1))
 
@@ -65,4 +65,3 @@ for i in $dns $@; do
 	mkdir -p "${conf%/*}"
 	echo "nameserver $i" >> $conf
 done
-
diff --git a/setup-gparted-desktop.in b/setup-gparted-desktop.in
index 37cefe6..849aacc 100644
--- a/setup-gparted-desktop.in
+++ b/setup-gparted-desktop.in
@@ -39,4 +39,3 @@ EOF
 echo ""
 echo " To start GParted run: startx"
 echo ""
-
diff --git a/setup-hostname.in b/setup-hostname.in
index 20164bd..04420ac 100644
--- a/setup-hostname.in
+++ b/setup-hostname.in
@@ -6,7 +6,7 @@ PREFIX=
 . $PREFIX/lib/libalpine.sh
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-hostname [-h] [HOSTNAME]
 
 Sets the system hostname.
@@ -16,7 +16,7 @@ options:
 
 Sets hostname to HOSTNAME or prompt if unspecified.
 __EOF__
-        exit 1
+	exit 1
 }
 
 
@@ -40,10 +40,10 @@ valid_hostname() {
 }
 
 while getopts "hn:" opt; do
-        case $opt in
+	case $opt in
 		h) usage;;
 		n) name="$OPTARG";;
-        esac
+	esac
 done
 shift $(( $OPTIND - 1 ))
 if [ -z "$name" ] && [ $# -eq 1 ]; then
@@ -67,4 +67,3 @@ done
 
 mkdir -p "$ROOT/etc"
 echo "$HOST" > "$ROOT/etc/hostname"
-
diff --git a/setup-interfaces.in b/setup-interfaces.in
index b4121d5..a1ab283 100644
--- a/setup-interfaces.in
+++ b/setup-interfaces.in
@@ -208,7 +208,7 @@ config_iface() {
 		raw_device=$(cat $iface.raw_device)
 		echo "raw_device=\"$raw_device\"" >> $conf
 	fi
-        if is_wifi $iface; then
+	if is_wifi $iface; then
 		apk add --quiet --no-progress wireless-tools wpa_supplicant || prompt_for_interfaces
 		echo "Available wireless networks (scanning):"
 		if find_essids $iface; then
@@ -223,7 +223,7 @@ config_iface() {
 			echo -e "\nNo available wireless networks\n"
 			prompt_for_interfaces
 		fi
-        fi
+	fi
 	# use ipcalc to validate the address. we do accept /mask
 	# we are no interested in the result, only error code, so
 	# we send result to /dev/null
@@ -407,7 +407,7 @@ config_vlan() {
 }
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-interfaces [-bhi]
 
 Setup network interfaces
@@ -417,7 +417,7 @@ options:
  -h  Show this help
  -i  Read new contents of ${ROOT}etc/network/interfaces from stdin
 __EOF__
-        exit 1
+	exit 1
 }
 
 iface_help() {
@@ -553,12 +553,12 @@ ask_bridge=
 is_xen_dom0 && ask_bridge=1
 
 while getopts "bhip:" opt; do
-        case $opt in
+	case $opt in
 		b) ask_bridge=1;;
-                h) usage;;
+		h) usage;;
 		i) STDINPUT=1;;
 		p) ROOT=$OPTARG;;
-        esac
+	esac
 done
 
 mkdir -p $ROOT/etc/network
diff --git a/setup-lbu.in b/setup-lbu.in
index d5c10ff..7270f3b 100644
--- a/setup-lbu.in
+++ b/setup-lbu.in
@@ -5,7 +5,7 @@ PREFIX=
 . "$PREFIX/lib/libalpine.sh"
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-lbu [-hq] [MEDIA]
 
 Setup lbu media settings.
@@ -17,7 +17,7 @@ options:
  -q  Quietly pick best suggestion. Only prompts user if unsure.
 
 __EOF__
-        exit 1
+	exit 1
 }
 
 get_mnt_line() {
@@ -94,10 +94,10 @@ set_media() {
 }
 
 while getopts "hq" opt; do
-        case $opt in
+	case $opt in
 		h) usage;;
 		q) quiet=1;;
-        esac
+	esac
 done
 shift $(($OPTIND - 1))
 
@@ -146,5 +146,3 @@ if [ "$media" = "none" ]; then
 fi
 
 set_media "$media"
-
-
diff --git a/setup-mta.in b/setup-mta.in
index 214387e..8a3f544 100644
--- a/setup-mta.in
+++ b/setup-mta.in
@@ -48,4 +48,3 @@ apk add ssmtp
 
 setcfg mailhub $mailhub
 setcfg FromLineOverride YES
-
diff --git a/setup-ntp.in b/setup-ntp.in
index b544a2a..4432cbc 100644
--- a/setup-ntp.in
+++ b/setup-ntp.in
@@ -5,7 +5,7 @@ PREFIX=
 . "$PREFIX/lib/libalpine.sh"
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-ntp [-h] [-c choice of NTP daemon]
 
 Setup NTP time synchronization
@@ -14,19 +14,19 @@ options:
  -h  Show this help
  -c  Choice of NTP daemon: busybox openntpd chrony none
 __EOF__
-        exit 1
+	exit 1
 }
 
 while getopts "hc:" opt; do
-        case $opt in
-                c) ntpchoice="$OPTARG";;
+	case $opt in
+		c) ntpchoice="$OPTARG";;
 		h) usage;;
-        esac
+	esac
 done
 
 if [ -z "$ntpchoice" ]; then
-        echo -n "Which NTP client to run? ('busybox', 'openntpd', 'chrony' or 'none') [chrony] "
-        default_read ntpchoice "chrony"
+	echo -n "Which NTP client to run? ('busybox', 'openntpd', 'chrony' or 'none') [chrony] "
+	default_read ntpchoice "chrony"
 fi
 
 pkgs="$ntpchoice"
@@ -53,4 +53,3 @@ esac
 [ -z "$pkgs" ] || apk add --quiet $pkgs
 rc-update add $svc default
 rc-service $svc start
-
diff --git a/setup-proxy.in b/setup-proxy.in
index e75aff4..16b7968 100644
--- a/setup-proxy.in
+++ b/setup-proxy.in
@@ -17,7 +17,7 @@ options:
 
 If PROXYURL is not specified user will be prompted.
 __EOF__
-        exit 1
+	exit 1
 }
 
 
@@ -68,4 +68,3 @@ fi
 if [ -z "$quiet" ]; then
 	echo -e "\nTo make changes active please do login again or source $PROFILE\nwith \". $PROFILE\""
 fi
-
diff --git a/setup-sshd.in b/setup-sshd.in
index 1890b7c..d9ae94f 100644
--- a/setup-sshd.in
+++ b/setup-sshd.in
@@ -5,7 +5,7 @@ PREFIX=
 . "$PREFIX/lib/libalpine.sh"
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-sshd [-h] [-c choice of SSH daemon]
 
 Setup sshd daemon
@@ -14,14 +14,14 @@ options:
  -h  Show this help
  -c  Choice of SSH daemon: openssh dropbear none
 __EOF__
-        exit 1
+	exit 1
 }
 
 while getopts "hc:" opt; do
-        case $opt in
+	case $opt in
 		h) usage;;
 		c) sshdchoice="$OPTARG";;
-        esac
+	esac
 done
 
 if [ "$sshdchoice" = "" ]; then
@@ -29,7 +29,7 @@ if [ "$sshdchoice" = "" ]; then
 	default_read sshdchoice "openssh"
 fi
 
-if [ "$sshdchoice" = "none" ]; then 
+if [ "$sshdchoice" = "none" ]; then
 	exit 0
 fi
 
@@ -50,4 +50,3 @@ if [ -n "$svc" ]; then
 	rc-update add $svc default
 	rc-service $svc start
 fi
-
diff --git a/setup-timezone.in b/setup-timezone.in
index 514f9ca..2d7b044 100644
--- a/setup-timezone.in
+++ b/setup-timezone.in
@@ -7,7 +7,7 @@ PREFIX=
 zroot=/usr/share/zoneinfo
 
 usage() {
-        cat <<__EOF__
+	cat <<__EOF__
 usage: setup-timezone [-h] [-k|-i] [-z TIMEZONE]
 
 Sets the timezone for the system.
@@ -18,7 +18,7 @@ options:
  -k  Keep previous copies of tzdata
  -z  Set given timezone. (relative $zroot)
 __EOF__
-        exit 1
+	exit 1
 }
 
 show_tz_list() {
@@ -60,12 +60,12 @@ setup_tz() {
 INSTALL_TZDATA=false
 KEEP_TZDATA=false
 while getopts "hikz:" opt; do
-        case $opt in
-                h) usage;;
+	case $opt in
+		h) usage;;
 		i) INSTALL_TZDATA=true;;
 		k) KEEP_TZDATA=true;;
 		z) ZONE="$OPTARG";;
-        esac
+	esac
 done
 
 if $INSTALL_TZDATA; then
@@ -119,4 +119,3 @@ done
 if [ -n "$apkdel" ]; then
 	apk del --quiet $apkdel
 fi
-
diff --git a/setup-xfce-desktop b/setup-xfce-desktop
index 2a2ce2d..773e807 100644
--- a/setup-xfce-desktop
+++ b/setup-xfce-desktop
@@ -3,4 +3,3 @@
 videodrivers=$(apk search --quiet --exact xf86-video* | grep -v -- '-doc$')
 
 setup-xorg-base $videodrivers xfce4 firefox slim
-
diff --git a/setup-xfce-desktop.in b/setup-xfce-desktop.in
index 2a2ce2d..773e807 100644
--- a/setup-xfce-desktop.in
+++ b/setup-xfce-desktop.in
@@ -3,4 +3,3 @@
 videodrivers=$(apk search --quiet --exact xf86-video* | grep -v -- '-doc$')
 
 setup-xorg-base $videodrivers xfce4 firefox slim
-
diff --git a/setup-xorg-base.in b/setup-xorg-base.in
index 5fb41b0..798bbad 100644
--- a/setup-xorg-base.in
+++ b/setup-xorg-base.in
@@ -26,4 +26,3 @@ if ! rc-service -q udev status; then
 	rc-service udev start
 	rc-service udev-postmount start
 fi
-
diff --git a/uniso.c b/uniso.c
index b5e399d..2eb6e3c 100644
--- a/uniso.c
+++ b/uniso.c
@@ -432,7 +432,7 @@ static int link_or_clone(const char *src, const char *dst, size_t bytes)
 }
 
 static int uniso_read_file(struct uniso_context *ctx,
-			   struct uniso_reader *rd)
+                           struct uniso_reader *rd)
 {
 	struct uniso_dirent *dir = container_of(rd, struct uniso_dirent, reader);
 	int fd, rc;
@@ -555,9 +555,9 @@ static int queue_dirent(struct uniso_context *ctx, void *isode, const char *name
 	strcpy(dir->name, name);
 
 	return queue_reader(ctx, &dir->reader,
-			    ide->extent.endianess * ISOFS_BLOCK_SIZE,
-			    (ide->flags & ISOFS_DR_FLAG_DIRECTORY) ?
-			    uniso_read_directory : uniso_read_file);
+	                    ide->extent.endianess * ISOFS_BLOCK_SIZE,
+	                    (ide->flags & ISOFS_DR_FLAG_DIRECTORY) ?
+	                    uniso_read_directory : uniso_read_file);
 }
 
 static int uniso_read_volume_descriptor(struct uniso_context *ctx,
@@ -619,8 +619,8 @@ int uniso(int fd)
 	ctx->loglevel = 1;
 
 	queue_reader(ctx, &ctx->volume_desc_reader,
-		     16 * ISOFS_BLOCK_SIZE,
-		     uniso_read_volume_descriptor);
+	             16 * ISOFS_BLOCK_SIZE,
+	             uniso_read_volume_descriptor);
 
 	while (list_hashed(&ctx->parser_head)) {
 		rd = list_entry(ctx->parser_head.next, struct uniso_reader, parser_list);
diff --git a/update-conf.in b/update-conf.in
index f287dd9..61ea654 100644
--- a/update-conf.in
+++ b/update-conf.in
@@ -1,6 +1,5 @@
 #!/bin/sh
 
-
 PREFIX=
 VERSION=@VERSION@
 
@@ -64,19 +63,19 @@ for apknew in $(find "$ROOT/etc" -name '*.apk-new') ; do
 	unset choice
 
 	if [ "$lflag" ] ; then
-	
+
 		# just list the file
 		if [ "$aflag" ] || is_modified "$f" ; then
 			echo "$p"
 		fi
-		
+
 	elif [ "$aflag" ] || is_modified "$f" ; then
 		if [ "$iflag" ] && is_initd "$f" ; then
 			echo "Autoupdating $p"
 			mv "$apknew" "$p"
 			continue
 		fi
-			
+
 		diff -u "$p" "$apknew"
 
 		# ask user what to do with the file
@@ -89,7 +88,7 @@ for apknew in $(find "$ROOT/etc" -name '*.apk-new') ; do
 				n) continue;;
 				s) diff -u "$p" "$apknew" | ${PAGER:-less}
 				   unset choice
-				   ;;	
+				   ;;
 				e) ${EDITOR:-vi} "$apknew" ; unset choice;;
 				v) if [ "$vflag" ]; then
 					vimdiff "$p" "$apknew"
@@ -106,4 +105,3 @@ for apknew in $(find "$ROOT/etc" -name '*.apk-new') ; do
 		mv "$apknew" "$p"
 	fi
 done
-
diff --git a/update-kernel.in b/update-kernel.in
index fc0899d..b529e35 100644
--- a/update-kernel.in
+++ b/update-kernel.in
@@ -27,14 +27,14 @@ TMPDIR=
 features=
 
 error() {
-    echo "$SCRIPT: $1" >&2
+	echo "$SCRIPT: $1" >&2
 }
 
 usage() {
-    [ "$2" ] && error "$2"
-    local opts="[-F <feature>]... [-p <package>]..."
-    local dest_args="[-a <arch>] <dest_dir>"
-    cat >&2 <<EOF
+	[ "$2" ] && error "$2"
+	local opts="[-F <feature>]... [-p <package>]..."
+	local dest_args="[-a <arch>] <dest_dir>"
+	cat >&2 <<EOF
 
 Syntax: $SCRIPT $opts [$dest_args]
         $SCRIPT -f <flavor> $opts $dest_args
@@ -50,117 +50,117 @@ Options: -a|--arch <arch>        Install kernel for specified architecture
          --repositories-file <f> apk repositories file
 
 EOF
-    exit $1
+	exit $1
 }
 
 QUIET_OPT="--quiet"
 OPTS=$(getopt -l arch:,build-dir:,flavor:,feature:,help,package:,verbose,hostkeys,repositories-file: \
-	      -n $SCRIPT -o a:b:f:F:hp:vK -- "$@") || usage 1
+	-n $SCRIPT -o a:b:f:F:hp:vK -- "$@") || usage 1
 eval set -- "$OPTS"
 while :; do
-    case "$1" in
+	case "$1" in
 	-a|--arch)
-	    shift
-	    ARCH=$1
-	    ;;
+		shift
+		ARCH=$1
+		;;
 	-b|--build-dir)
-	    shift
-	    BUILDDIR=$1
-	    ;;
+		shift
+		BUILDDIR=$1
+		;;
 	-f|--flavor)
-	    shift
-	    FLAVOR=$1
-	    ;;
+		shift
+		FLAVOR=$1
+		;;
 	-F|--feature)
-	    shift
-	    features="$features $1"
-	    ;;
+		shift
+		features="$features $1"
+		;;
 	-h|--help)
-	    echo "$SCRIPT @VERSION@" >&2
-	    usage 0
-	    ;;
+		echo "$SCRIPT @VERSION@" >&2
+		usage 0
+		;;
 	-p|--package)
-	    shift
-	    PACKAGES="$PACKAGES $1"
-	    ;;
+		shift
+		PACKAGES="$PACKAGES $1"
+		;;
 	-v|--verbose)
-	    QUIET_OPT=
-	    ;;
+		QUIET_OPT=
+		;;
 	-K|--hostkeys)
-	    MKINITFS_ARGS="$MKINITFS_ARGS -K"
-	    ;;
-        --repositories-file)
-	    shift
-	    REPOSITORIES_FILE=$1
-	    ;;
+		MKINITFS_ARGS="$MKINITFS_ARGS -K"
+		;;
+	--repositories-file)
+		shift
+		REPOSITORIES_FILE=$1
+		;;
 	--)
-	    break
-	    ;;
-    esac
-    shift
+		break
+		;;
+	esac
+	shift
 done
 
 DESTDIR=$2
 
 
 [ "$BUILDDIR" -a "$FLAVOR" ] && \
-    usage 1 "Cannot specify both build directory and flavor"
+	usage 1 "Cannot specify both build directory and flavor"
 
 if [ -z "$DESTDIR" ]; then
-    [ "$ARCH" ] && \
-	usage 1 "Cannot specify architecture when updating the current kernel"
-
-    [ "$FLAVOR" ] && \
-	usage 1 "Cannot specify flavor when updating the current kernel"
-
-    [ "$SUPERUSER" ] || \
-	usage 1 "Specify destination directory or run as superuser"
-
-    while read MOUNT; do
-	set -- $MOUNT
-	[ $2 = /.modloop ] || continue
-	DESTDIR=$(dirname $(losetup $1 | cut -d " " -f 3))
-	MNTDIR=$(dirname "$DESTDIR")
-	break
-    done < /proc/mounts
-
-    if [ -z "$MNTDIR" ]; then
-	error "Module loopback device not mounted"
-	exit 1
-    fi
+	[ "$ARCH" ] && \
+		usage 1 "Cannot specify architecture when updating the current kernel"
+
+	[ "$FLAVOR" ] && \
+		usage 1 "Cannot specify flavor when updating the current kernel"
+
+	[ "$SUPERUSER" ] || \
+		usage 1 "Specify destination directory or run as superuser"
+
+	while read MOUNT; do
+		set -- $MOUNT
+		[ $2 = /.modloop ] || continue
+		DESTDIR=$(dirname $(losetup $1 | cut -d " " -f 3))
+		MNTDIR=$(dirname "$DESTDIR")
+		break
+	done < /proc/mounts
+
+	if [ -z "$MNTDIR" ]; then
+		error "Module loopback device not mounted"
+		exit 1
+	fi
 fi
 
 remount() {
-    mount $1 -o remount "$MNTDIR"
+	mount $1 -o remount "$MNTDIR"
 }
 
 
 ignore_sigs() {
-    trap "" $SIGNALS
+	trap "" $SIGNALS
 }
 
 clean_up() {
-    set +e
-    ignore_sigs
+	set +e
+	ignore_sigs
 
-    [ "$SUPERUSER" ] && apk del $QUIET_OPT $VIRTUAL
-    rm -fr $TMPDIR
+	[ "$SUPERUSER" ] && apk del $QUIET_OPT $VIRTUAL
+	rm -fr $TMPDIR
 }
 
 trap clean_up EXIT $SIGNALS
 
 
 if [ "$SUPERUSER" ]; then
-    apk add $QUIET_OPT --update-cache -t $VIRTUAL mkinitfs squashfs-tools kmod
+	apk add $QUIET_OPT --update-cache -t $VIRTUAL mkinitfs squashfs-tools kmod
 fi
 
 if [ -z "$features" ]; then
-    . /etc/mkinitfs/mkinitfs.conf
+	. /etc/mkinitfs/mkinitfs.conf
 fi
 
 if [ -z "$FLAVOR" ]; then
-    FLAVOR=$(uname -r | cut -d - -f 3-)
-    [ "$FLAVOR" ] || FLAVOR=vanilla
+	FLAVOR=$(uname -r | cut -d - -f 3-)
+	[ "$FLAVOR" ] || FLAVOR=vanilla
 fi
 
 [ "$ARCH" ] || ARCH=$(apk --print-arch)
@@ -171,56 +171,56 @@ BOOT=$ROOT/boot
 WRAPPER=
 
 _exec() {
-    $WRAPPER "$@"
+	$WRAPPER "$@"
 }
 
 _apk() {
-    local cmd=$1
-    shift
-
-    local wrapper=
-    if [ -z "$SUPERUSER" ]; then
-	local opt=
-	local fake_env=$TMPDIR/fake-env
-	if [ -f $fake_env ]; then
-	    opt="-i $fake_env"
-	    WRAPPER="fakeroot $opt --"
+	local cmd=$1
+	shift
+
+	local wrapper=
+	if [ -z "$SUPERUSER" ]; then
+		local opt=
+		local fake_env=$TMPDIR/fake-env
+		if [ -f $fake_env ]; then
+			opt="-i $fake_env"
+			WRAPPER="fakeroot $opt --"
+		fi
+		wrapper="fakeroot $opt -s $fake_env --"
 	fi
-	wrapper="fakeroot $opt -s $fake_env --"
-    fi
 
-    $wrapper apk $cmd $QUIET_OPT -p $ROOT --arch "$ARCH" \
-	--keys-dir /etc/apk/keys \
-	--repositories-file "$REPOSITORIES_FILE" $*
+	$wrapper apk $cmd $QUIET_OPT -p $ROOT --arch "$ARCH" \
+		--keys-dir /etc/apk/keys \
+		--repositories-file "$REPOSITORIES_FILE" $*
 }
 
 extra_pkgs() {
-    local res=$(_apk search -x $1)
-    if [ "$res" ]; then
-	echo $*
-    fi
+	local res=$(_apk search -x $1)
+	if [ "$res" ]; then
+		echo $*
+	fi
 }
 
 # set up the root and get the APKINDEX for search
 _apk add --initdb --update-cache
 
 if [ "$BUILDDIR" ]; then
-    case "$ARCH" in
-    arm*|aarch64*)	_install="zinstall dtbs_install" ;;
-    *)			_install="install" ;;
-    esac
-
-    mkdir -p $BOOT
-    make -C "$BUILDDIR" $_install firmware_install modules_install \
-	INSTALL_MOD_PATH=$ROOT \
-	INSTALL_PATH=$BOOT \
-	INSTALL_DTBS_PATH='$ROOT/usr/lib/linux-$(KERNELRELEASE)'
+	case "$ARCH" in
+		arm*|aarch64*)	_install="zinstall dtbs_install" ;;
+		*)		_install="install" ;;
+	esac
+
+	mkdir -p $BOOT
+	make -C "$BUILDDIR" $_install firmware_install modules_install \
+		INSTALL_MOD_PATH=$ROOT \
+		INSTALL_PATH=$BOOT \
+		INSTALL_DTBS_PATH='$ROOT/usr/lib/linux-$(KERNELRELEASE)'
 else
-    if [ -z "$PACKAGES" ]; then
-	PACKAGES="$(extra_pkgs "dahdi-linux-$FLAVOR" dahdi-linux)
-		$(extra_pkgs "xtables-addons-$FLAVOR")"
-    fi
-    PACKAGES="$PACKAGES linux-$FLAVOR linux-firmware"
+	if [ -z "$PACKAGES" ]; then
+		PACKAGES="$(extra_pkgs "dahdi-linux-$FLAVOR" dahdi-linux)
+			$(extra_pkgs "xtables-addons-$FLAVOR")"
+	fi
+	PACKAGES="$PACKAGES linux-$FLAVOR linux-firmware"
 fi
 _apk add --no-scripts alpine-base $PACKAGES
 
@@ -248,38 +248,38 @@ done
 _exec mksquashfs $MODLOOP "$STAGING/$MODIMG" -comp xz
 
 _exec mkinitfs $MKINITFS_ARGS -q -b $ROOT -F "$features base squashfs" \
-    -o "$STAGING/initramfs-$FLAVOR" "$KVER"
+	-o "$STAGING/initramfs-$FLAVOR" "$KVER"
 
 for file in System.map config vmlinuz; do
-    cp "$BOOT/$file$KVER_FLAVOR" $STAGING
+	cp "$BOOT/$file$KVER_FLAVOR" $STAGING
 done
 
 if [ "$MNTDIR" ]; then
-    ignore_sigs
-    umount /.modloop
-    remount -w
+	ignore_sigs
+	umount /.modloop
+	remount -w
 fi
 
 mv $STAGING/* "$DESTDIR"
 
 if [ -d "$DTBDIR" ]; then
-    _opwd=$PWD
-    case "$FLAVOR" in
-    rpi*) _dtb="$DESTDIR" ;;
-    *) _dtb="$DESTDIR/dtbs" ;;
-    esac
-    mkdir -p "$_dtb"
-    _dtb=$(realpath "$_dtb")
-    cd "$DTBDIR"
-    find -type f \( -name "*.dtb" -o -name "*.dtbo" \) | cpio -pudm "$_dtb" 2> /dev/null
-    cd "$_opwd"
+	_opwd=$PWD
+	case "$FLAVOR" in
+		rpi*) _dtb="$DESTDIR" ;;
+		*) _dtb="$DESTDIR/dtbs" ;;
+	esac
+	mkdir -p "$_dtb"
+	_dtb=$(realpath "$_dtb")
+	cd "$DTBDIR"
+	find -type f \( -name "*.dtb" -o -name "*.dtbo" \) | cpio -pudm "$_dtb" 2> /dev/null
+	cd "$_opwd"
 fi
 
 if [ "$MNTDIR" ]; then
-    set +e
-    sync
-    remount -r
-    mount -o loop "$DESTDIR/$MODIMG" /.modloop
+	set +e
+	sync
+	remount -r
+	mount -o loop "$DESTDIR/$MODIMG" /.modloop
 fi
 
 exit 0