diff --git a/firstboot/first-boot-set-hostname.sh b/firstboot/first-boot-set-hostname.sh
index eaabb0a..c238962 100644
--- a/firstboot/first-boot-set-hostname.sh
+++ b/firstboot/first-boot-set-hostname.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -eu
+#!/bin/bash -eu
 
 show_error() {
     if [ -n "${JOURNAL_STREAM-}" ]; then
@@ -17,24 +17,21 @@
     INV_ASSET_IFACE='xyz.openbmc_project.Inventory.Decorator.Asset'
     BMC_SN=''
     BMC_ITEM_PATH=$(busctl --no-pager --verbose call \
-                            ${MAPPER_IFACE} \
-                            ${MAPPER_PATH} \
-                            ${MAPPER_IFACE} \
-                            GetSubTree sias \
-                            ${INVENTORY_PATH} 0 1 ${BMC_ITEM_IFACE} \
-                        2>/dev/null | grep ${INVENTORY_PATH} || true)
+            ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \
+            GetSubTree sias \
+            ${INVENTORY_PATH} 0 1 ${BMC_ITEM_IFACE} \
+        2>/dev/null | grep ${INVENTORY_PATH} || true)
 
     # '     STRING "/xyz/openbmc_project/inventory/system/chassis/bmc";'
     BMC_ITEM_PATH=${BMC_ITEM_PATH#*\"}
     BMC_ITEM_PATH=${BMC_ITEM_PATH%\"*}
 
     BMC_ITEM_SERVICE=$(mapper get-service \
-                                ${BMC_ITEM_PATH} 2>/dev/null || true)
+        "${BMC_ITEM_PATH}" 2>/dev/null || true)
 
     if [[ -n "${BMC_ITEM_SERVICE}" ]]; then
-        BMC_SN=$(busctl get-property ${BMC_ITEM_SERVICE} \
-                            ${BMC_ITEM_PATH} \
-                            ${INV_ASSET_IFACE} SerialNumber)
+        BMC_SN=$(busctl get-property "${BMC_ITEM_SERVICE}" \
+            "${BMC_ITEM_PATH}" "${INV_ASSET_IFACE}" SerialNumber)
         # 's "002B0DH1000"'
         BMC_SN=${BMC_SN#*\"}
         BMC_SN=${BMC_SN%\"*}
@@ -47,34 +44,31 @@
 
         NETWORK_ITEM_IFACE='xyz.openbmc_project.Inventory.Item.NetworkInterface'
         NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \
-                           ${MAPPER_IFACE} \
-                           ${MAPPER_PATH} \
-                           ${MAPPER_IFACE} \
-                           GetSubTree sias \
-                                ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
-                    2>/dev/null | grep ${INVENTORY_PATH} || true)
+                ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \
+                GetSubTree sias \
+                ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
+            2>/dev/null | grep ${INVENTORY_PATH} || true)
 
         NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH#*\"}
         NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH%\"*}
 
-        NETWORK_ITEM_OBJ=$(mapper get-service ${NETWORK_ITEM_PATH} 2>/dev/null || true)
+        NETWORK_ITEM_OBJ=$(mapper get-service "${NETWORK_ITEM_PATH}" 2>/dev/null || true)
 
         if [[ -z "${NETWORK_ITEM_OBJ}" ]]; then
             show_error 'No Ethernet interface found in the Inventory. Unique hostname not set!'
             exit 1
         fi
 
-        MAC_ADDR=$(busctl get-property ${NETWORK_ITEM_OBJ} \
-                               ${NETWORK_ITEM_PATH} \
-                               ${NETWORK_ITEM_IFACE} MACAddress)
+        MAC_ADDR=$(busctl get-property "${NETWORK_ITEM_OBJ}" \
+            "${NETWORK_ITEM_PATH}" "${NETWORK_ITEM_IFACE}" MACAddress)
 
         # 's "54:52:01:02:03:04"'
         MAC_ADDR=${MAC_ADDR#*\"}
         MAC_ADDR=${MAC_ADDR%\"*}
 
-        hostnamectl set-hostname $(hostname)-${MAC_ADDR}
+        hostnamectl set-hostname "$(hostname)-${MAC_ADDR}"
     else
-        hostnamectl set-hostname $(hostname)-${BMC_SN}
+        hostnamectl set-hostname "$(hostname)-${BMC_SN}"
     fi
 
 }
diff --git a/firstboot/first-boot-set-mac.sh b/firstboot/first-boot-set-mac.sh
index 63a4ad7..1a1ae22 100644
--- a/firstboot/first-boot-set-mac.sh
+++ b/firstboot/first-boot-set-mac.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -eu
+#!/bin/bash -eu
 
 show_error() {
     if [ -n "${JOURNAL_STREAM-}" ]; then
@@ -17,31 +17,25 @@
 
     # Get the NETWORK ITEM count
     NETWORK_ITEM_PATH_COUNT=$(busctl --no-pager --verbose call \
-                            ${MAPPER_IFACE} \
-                            ${MAPPER_PATH} \
-                            ${MAPPER_IFACE} \
-                            GetSubTree sias \
-                            ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
-                        2>/dev/null | grep ${INVENTORY_PATH} | wc -l || true)
+            ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \
+            GetSubTree sias \
+            ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
+        2>/dev/null | grep -c "${INVENTORY_PATH}" || true)
 
-    if [ $NETWORK_ITEM_PATH_COUNT -gt 1 ]; then
+    if [ "$NETWORK_ITEM_PATH_COUNT" -gt 1 ]; then
         # If there are more than 2 NETOWRK ITEM and path must contain $1
         # for finding the right NETWORK ITEM
         NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \
-                            ${MAPPER_IFACE} \
-                            ${MAPPER_PATH} \
-                            ${MAPPER_IFACE} \
-                            GetSubTree sias \
-                            ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
-                        2>/dev/null | grep ${INVENTORY_PATH} | grep $1 || true)
+                ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \
+                GetSubTree sias \
+                ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
+            2>/dev/null | grep ${INVENTORY_PATH} | grep "$1" || true)
     else
         NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \
-                            ${MAPPER_IFACE} \
-                            ${MAPPER_PATH} \
-                            ${MAPPER_IFACE} \
-                            GetSubTree sias \
-                            ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
-                        2>/dev/null | grep ${INVENTORY_PATH} || true)
+                ${MAPPER_IFACE} ${MAPPER_PATH} ${MAPPER_IFACE} \
+                GetSubTree sias \
+                ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
+            2>/dev/null | grep ${INVENTORY_PATH} || true)
     fi
 
     # '     STRING "/xyz/openbmc_project/inventory/system/chassis/ethernet";'
@@ -49,16 +43,15 @@
     NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH%\"*}
 
     NETWORK_ITEM_SERVICE=$(mapper get-service \
-                                ${NETWORK_ITEM_PATH} 2>/dev/null || true)
+        "${NETWORK_ITEM_PATH}" 2>/dev/null || true)
 
     if [[ -z "${NETWORK_ITEM_SERVICE}" ]]; then
         show_error 'No Ethernet interface found in the Inventory. Is VPD EEPROM empty?'
         return
     fi
 
-    MAC_ADDR=$(busctl get-property ${NETWORK_ITEM_SERVICE} \
-                                ${NETWORK_ITEM_PATH} \
-                                ${NETWORK_ITEM_IFACE} MACAddress)
+    MAC_ADDR=$(busctl get-property "${NETWORK_ITEM_SERVICE}" \
+        "${NETWORK_ITEM_PATH}" "${NETWORK_ITEM_IFACE}" MACAddress)
 
     # 's "54:52:01:02:03:04"'
     MAC_ADDR=${MAC_ADDR#*\"}
@@ -66,9 +59,9 @@
 
     if [[ -n "${MAC_ADDR}" ]]; then
         busctl set-property xyz.openbmc_project.Network \
-                            /xyz/openbmc_project/network/$1 \
-                            xyz.openbmc_project.Network.MACAddress \
-                            MACAddress s ${MAC_ADDR}
+            "/xyz/openbmc_project/network/$1" \
+            xyz.openbmc_project.Network.MACAddress \
+            MACAddress s "${MAC_ADDR}"
     fi
 }
 
@@ -77,7 +70,7 @@
     exit 1
 fi
 
-sync_mac $1
+sync_mac "$1"
 
 # Prevent start at next boot time
 mkdir -p "/var/lib/first-boot-set-mac"
diff --git a/http-redirect/tests b/http-redirect/tests
index 870f0fa..318313e 100755
--- a/http-redirect/tests
+++ b/http-redirect/tests
@@ -7,6 +7,7 @@
 # TRACEFILE="/dev/tty"
 
 # create temp files
+# shellcheck disable=SC2064
 rm -f $TMPFILE $URLFILE && touch $TMPFILE &&
 trap "rm ./$TMPFILE ./$URLFILE" 0 || exit 2
 echo "/over/the/rainbow /over/the/rainbow" > $URLFILE
@@ -30,12 +31,12 @@
 
 if grep -is "$expect" $TMPFILE
 then
- echo PASS $test
+    echo "PASS $test"
 else
- echo FAIL $test
- echo "Expected to find >'$expect'< in :"
- cat $TMPFILE
- false
+    echo "FAIL $test"
+    echo "Expected to find >'$expect'< in :"
+    cat $TMPFILE
+    false
 fi
 
 test="2 Test no absolute-path in URI"
@@ -48,12 +49,12 @@
 
 if grep -is "$expect" $TMPFILE
 then
- echo PASS $test
+    echo "PASS $test"
 else
- echo FAIL $test
- echo "Expected to find >'$expect'< in :"
- cat $TMPFILE
- false
+    echo "FAIL $test"
+    echo "Expected to find >'$expect'< in :"
+    cat $TMPFILE
+    false
 fi
 
 
@@ -67,12 +68,12 @@
 
 if grep -is "$expect" $TMPFILE
 then
- echo PASS $test
+    echo "PASS $test"
 else
- echo FAIL $test
- echo "Expected to find >'$expect'< in :"
- cat $TMPFILE
- false
+    echo "FAIL $test"
+    echo "Expected to find >'$expect'< in :"
+    cat $TMPFILE
+    false
 fi
 
 
@@ -92,12 +93,12 @@
 
 if grep -is "$expect" $TMPFILE
 then
- echo PASS $test
+    echo "PASS $test"
 else
- echo FAIL $test
- echo "Expected to find >'$expect'< in :"
- cat $TMPFILE
- false
+    echo "FAIL $test"
+    echo "Expected to find >'$expect'< in :"
+    cat $TMPFILE
+    false
 fi
 
 
diff --git a/usb-ctrl/usb-ctrl b/usb-ctrl/usb-ctrl
index 7cc02c0..3a1f2f9 100644
--- a/usb-ctrl/usb-ctrl
+++ b/usb-ctrl/usb-ctrl
@@ -1,77 +1,79 @@
-#!/bin/sh
+#!/bin/bash
+set -e
 
 setup_image()
 {
-	set -x
-	local storage="$1"
-	local sz_mb="$2"
-	# create the backing store
-	dd if=/dev/zero of="$storage" bs=1M seek="$sz_mb" count=0 2>/dev/null
-	# this shows up as 23FC-F676 in /dev/disk/by-uuid
-	local diskid=0x23FCF676
-	mkdosfs -n 'OPENBMC-FW' -i $diskid -I "$storage" >/dev/null 2>&1
+    set -x
+    local storage="$1"
+    local sz_mb="$2"
+    # create the backing store
+    dd if=/dev/zero of="$storage" bs=1M seek="$sz_mb" count=0 2>/dev/null
+    # this shows up as 23FC-F676 in /dev/disk/by-uuid
+    local diskid=0x23FCF676
+    mkdosfs -n 'OPENBMC-FW' -i $diskid -I "$storage" >/dev/null 2>&1
 }
 
 mount_image()
 {
-	set -x
-	local storage="$1"
-	local stormnt="$2"
-	mkdir -p $stormnt || exit 1
-	mount -o loop -t vfat "$storage" "$stormnt"
+    set -x
+    local storage="$1"
+    local stormnt="$2"
+    mkdir -p "$stormnt" || exit 1
+    mount -o loop -t vfat "$storage" "$stormnt"
 }
 
 cleanup_image()
 {
-	set -x
-	local storage="$1"
-	local stormnt="$2"
-	umount -f "$stormnt"
-	rm -f "$storage"
-	rmdir "$stormnt"
+    set -x
+    local storage="$1"
+    local stormnt="$2"
+    umount -f "$stormnt"
+    rm -f "$storage"
+    rmdir "$stormnt"
 }
 
 network()
 {
-	set -x
-	local type="$1"
-	local name="$2"
-	local on="$3"
-	local bmc_mac="$4"
-	local host_mac="$5"
-	if [ "$on" = "on" ]; then
-		usb_insert "${name}" "${type}" "${bmc_mac}" "${host_mac}"
-	elif [ "$on" = "off" ]; then
-		usb_eject "${name}" "${type}"
-	else
-		echo "Unknown ${type} command"
-		usage
-	fi
+    set -x
+    local type="$1"
+    local name="$2"
+    local on="$3"
+    local bmc_mac="$4"
+    local host_mac="$5"
+    if [ "$on" = "on" ]; then
+        usb_insert "${name}" "${type}" "${bmc_mac}" "${host_mac}"
+    elif [ "$on" = "off" ]; then
+        usb_eject "${name}" "${type}"
+    else
+        echo "Unknown ${type} command"
+        usage
+    fi
 }
 
 GADGET_BASE=/sys/kernel/config/usb_gadget
 
 which_dev()
 {
-	local in_use="$(cat $GADGET_BASE/*/UDC)"
-	cd /sys/class/udc
-	for D in *; do
-		case "$in_use" in
-			*"$D"*) ;;
-			*) echo "$D"; return 0;;
-		esac
-	done
-	return 1
+    local in_use
+    in_use="$(cat $GADGET_BASE/*/UDC)"
+    cd /sys/class/udc
+    for D in *; do
+        case "$in_use" in
+            *"$D"*) ;;
+            *) echo "$D"; return 0 ;;
+        esac
+    done
+    return 1
 }
 
 usb_ms_insert()
 {
-	usb_insert "$1" mass_storage "$2" "$3"
+    usb_insert "$1" mass_storage "$2" "$3"
 }
 
 usb_ms_eject()
 {
-	usb_eject "$1" mass_storage
+    usb_eject "$1" mass_storage
 }
 
 ## $1: 	device syspath to provide usb-gadget configure,
@@ -81,49 +83,49 @@
 ##		if $2 not specified or illegal, then using 'usb-ro' as default
 usb_set_interface_type()
 {
-	local usb_gadget_syspath="$1"
-	local interface_type="${2:-'usb-ro'}"
+    local usb_gadget_syspath="$1"
+    local interface_type="${2:-'usb-ro'}"
 
-	# defining target variables to configure interface type
-	local removable=
-	local ro=
-	local cdrom=
+    # defining target variables to configure interface type
+    local removable=
+    local ro=
+    local cdrom=
 
-	if [ ! -d "${usb_gadget_syspath}" ]; then
-		echo "Device syspath ${usb_gadget_syspath} does not exist" >&2
-		return 1
-	fi
+    if [ ! -d "${usb_gadget_syspath}" ]; then
+        echo "Device syspath ${usb_gadget_syspath} does not exist" >&2
+        return 1
+    fi
 
-	case "${interface_type}" in
-		hdd)
-			removable=0
-			ro=0
-			cdrom=0
-			;;
-		usb)
-			removable=1
-			ro=0
-			cdrom=0
-			;;
+    case "${interface_type}" in
+        hdd)
+            removable=0
+            ro=0
+            cdrom=0
+            ;;
+        usb)
+            removable=1
+            ro=0
+            cdrom=0
+            ;;
 
-		cdrom)
-			removable=1
-			ro=1
-			cdrom=1
-			;;
-		usb-ro)
-			removable=1
-			ro=1
-			cdrom=0
-			;;
-		*)
-			echo "Unknown mass-storage interface type '${interface_type}' specified" >&2
-			echo "Configuring interface type as 'usb-ro'" >&2
-			removable=1
-			ro=1
-			cdrom=0
-			;;
-	esac
+        cdrom)
+            removable=1
+            ro=1
+            cdrom=1
+            ;;
+        usb-ro)
+            removable=1
+            ro=1
+            cdrom=0
+            ;;
+        *)
+            echo "Unknown mass-storage interface type '${interface_type}' specified" >&2
+            echo "Configuring interface type as 'usb-ro'" >&2
+            removable=1
+            ro=1
+            cdrom=0
+            ;;
+    esac
 
     echo $removable > "${usb_gadget_syspath}/removable"
     echo $ro > "${usb_gadget_syspath}/ro"
@@ -143,112 +145,115 @@
 ##            it is the optional MAC address for the Host (default a random MAC)
 usb_insert()
 {
-	local name="$1"
-	local dev_type="$2"
-	local storage="$3"
-	local intf_type="$4"
-	local bmc_mac="$3"
-	local host_mac="$4"
+    local name="$1"
+    local dev_type="$2"
+    local storage="$3"
+    local intf_type="$4"
+    local bmc_mac="$3"
+    local host_mac="$4"
 
-	if [ -d "$GADGET_BASE/${name}" ]; then
-		echo "Device ${name} already exists" >&2
-		return 1
-	fi
-	mkdir "$GADGET_BASE/${name}"
-	cd "$GADGET_BASE/${name}"
+    if [ -d "$GADGET_BASE/${name}" ]; then
+        echo "Device ${name} already exists" >&2
+        return 1
+    fi
+    mkdir "$GADGET_BASE/${name}"
+    cd "$GADGET_BASE/${name}"
 
-	echo 0x1d6b > idVendor	# Linux Foundation
-	echo 0x0105 > idProduct # FunctionFS Gadget
-	mkdir strings/0x409
-	local machineid=$(cat /etc/machine-id)
-	local data="OpenBMC USB gadget device serial number"
-	local serial=$( echo -n "${machineid}${data}${machineid}" | \
-		sha256sum | cut -b 0-12 )
-	echo $serial > strings/0x409/serialnumber
-	echo OpenBMC > strings/0x409/manufacturer
-	echo "OpenBMC USB Device" > strings/0x409/product
+    echo 0x1d6b > idVendor	# Linux Foundation
+    echo 0x0105 > idProduct # FunctionFS Gadget
+    mkdir strings/0x409
+    local machineid
+    machineid=$(cat /etc/machine-id)
+    local data="OpenBMC USB gadget device serial number"
+    local serial
+    serial=$( echo -n "${machineid}${data}${machineid}" | \
+        sha256sum | cut -b 0-12 )
+    echo "$serial" > strings/0x409/serialnumber
+    echo "OpenBMC" > strings/0x409/manufacturer
+    echo "OpenBMC USB Device" > strings/0x409/product
 
-	gadget_function="functions/${dev_type}.${name}"
-	mkdir configs/c.1
-	mkdir "${gadget_function}"
-	case "${dev_type}" in
-		mass_storage)
-			# usb_set_interface_type handles default and unknown type
-			usb_set_interface_type "${gadget_function}/lun.0" "${intf_type}"
-			echo "${storage}" > "${gadget_function}/lun.0/file"
-			;;
-		ecm|eem|rndis)
-			echo "${bmc_mac}" > "${gadget_function}/dev_addr"
-			echo "${host_mac}" > "${gadget_function}/host_addr"
-			;;
-	esac
-	mkdir configs/c.1/strings/0x409
+    gadget_function="functions/${dev_type}.${name}"
+    mkdir configs/c.1
+    mkdir "${gadget_function}"
+    case "${dev_type}" in
+        mass_storage)
+            # usb_set_interface_type handles default and unknown type
+            usb_set_interface_type "${gadget_function}/lun.0" "${intf_type}"
+            echo "${storage}" > "${gadget_function}/lun.0/file"
+            ;;
+        ecm|eem|rndis)
+            echo "${bmc_mac}" > "${gadget_function}/dev_addr"
+            echo "${host_mac}" > "${gadget_function}/host_addr"
+            ;;
+    esac
+    mkdir configs/c.1/strings/0x409
 
-	echo "Conf 1" > configs/c.1/strings/0x409/configuration
-	echo 120 > configs/c.1/MaxPower
-	ln -s "${gadget_function}" configs/c.1
-	local dev=$(which_dev)
-	echo $dev > UDC
+    echo "Conf 1" > configs/c.1/strings/0x409/configuration
+    echo 120 > configs/c.1/MaxPower
+    ln -s "${gadget_function}" configs/c.1
+    local dev
+    dev=$(which_dev)
+    echo "$dev" > UDC
 }
 
 ## $1: device name, e.g. usb0, usb1
 ## $2: device type defined in kernel, e.g. mass_storage, ecm, eem, rndis
 usb_eject()
 {
-	local name="$1"
-	local dev_type="$2"
+    local name="$1"
+    local dev_type="$2"
 
-	echo '' > "$GADGET_BASE/${name}/UDC"
+    echo '' > "$GADGET_BASE/${name}/UDC"
 
-	rm -f "$GADGET_BASE/${name}/configs/c.1/${dev_type}.${name}"
-	rmdir "$GADGET_BASE/${name}/configs/c.1/strings/0x409"
-	rmdir "$GADGET_BASE/${name}/configs/c.1"
-	rmdir "$GADGET_BASE/${name}/functions/${dev_type}.${name}"
-	rmdir "$GADGET_BASE/${name}/strings/0x409"
-	rmdir "$GADGET_BASE/${name}"
+    rm -f "$GADGET_BASE/${name}/configs/c.1/${dev_type}.${name}"
+    rmdir "$GADGET_BASE/${name}/configs/c.1/strings/0x409"
+    rmdir "$GADGET_BASE/${name}/configs/c.1"
+    rmdir "$GADGET_BASE/${name}/functions/${dev_type}.${name}"
+    rmdir "$GADGET_BASE/${name}/strings/0x409"
+    rmdir "$GADGET_BASE/${name}"
 }
 
 usage()
 {
-	echo "Usage: $0 <action> ..."
-	echo "       $0 setup <file> <sizeMB>"
-	echo "       $0 insert <name> <file> [<type=usb|usb-ro|hdd|cdrom>]"
-	echo "       $0 eject <name>"
-	echo "       $0 mount <file> <mnt>"
-	echo "       $0 cleanup <file> <mnt>"
-	echo "       $0 ecm <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
-	echo "       $0 eem <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
-	echo "       $0 rndis <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
-	exit 1
+    echo "Usage: $0 <action> ..."
+    echo "       $0 setup <file> <sizeMB>"
+    echo "       $0 insert <name> <file> [<type=usb|usb-ro|hdd|cdrom>]"
+    echo "       $0 eject <name>"
+    echo "       $0 mount <file> <mnt>"
+    echo "       $0 cleanup <file> <mnt>"
+    echo "       $0 ecm <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
+    echo "       $0 eem <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
+    echo "       $0 rndis <name> <on|off> [<bmc-mac-address|.> [<host-mac-address>]]"
+    exit 1
 }
 
-echo "$#: $0 $@"
+echo "$#: $0 $*"
 case "$1" in
-	insert)
-		shift
-		usb_ms_insert "$@"
-		;;
-	eject)
-		shift
-		usb_ms_eject "$@"
-		;;
-	setup)
-		shift
-		setup_image "$@"
-		;;
-	mount)
-		shift
-		mount_image "$@"
-		;;
-	cleanup)
-		shift
-		cleanup_image "$@"
-		;;
-	ecm|eem|rndis)
-		network "$@"
-		;;
-	*)
-		usage
-		;;
+    insert)
+        shift
+        usb_ms_insert "$@"
+        ;;
+    eject)
+        shift
+        usb_ms_eject "$@"
+        ;;
+    setup)
+        shift
+        setup_image "$@"
+        ;;
+    mount)
+        shift
+        mount_image "$@"
+        ;;
+    cleanup)
+        shift
+        cleanup_image "$@"
+        ;;
+    ecm|eem|rndis)
+        network "$@"
+        ;;
+    *)
+        usage
+        ;;
 esac
 exit $?