Tidying

src/freedombone-image-hardware-setup

 export TEXTDOMAINDIR="/usr/share/locale"
 
 enable_serial_console() {
-	# By default, spawn a console on the serial port
-	device="$1"
-	echo $"Adding a getty on the serial port"
-	echo "T0:12345:respawn:/sbin/getty -L $device 115200 vt100" >> /etc/inittab
+    # By default, spawn a console on the serial port
+    device="$1"
+    echo $"Adding a getty on the serial port"
+    echo "T0:12345:respawn:/sbin/getty -L $device 115200 vt100" >> /etc/inittab
 }
 
 beaglebone_setup_boot() {
-	# Setup uEnv.txt
-	if grep -q btrfs /etc/fstab ; then
-		fstype=btrfs
-	else
-		fstype=ext4
-	fi
-	kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
-	version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
-	initRd=initrd.img-$version
-	vmlinuz=vmlinuz-$version
-
-	# uEnv.txt for Beaglebone
-	# based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
-	cat >> /boot/uEnv.txt <<EOF
+    # Setup uEnv.txt
+    if grep -q btrfs /etc/fstab ; then
+        fstype=btrfs
+    else
+        fstype=ext4
+    fi
+    kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
+    version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
+    initRd=initrd.img-$version
+    vmlinuz=vmlinuz-$version
+
+    # uEnv.txt for Beaglebone
+    # based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
+    cat >> /boot/uEnv.txt <<EOF
 mmcroot=/dev/mmcblk0p2 ro
 mmcrootfstype=$fstype rootwait fixrtc
 mmcrootflags=subvol=@
 uenvcmd=run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
 EOF
 
-	mkdir -p /boot/dtbs
-	cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
+    mkdir -p /boot/dtbs
+    cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
 }
 
 beaglebone_flash() {
-	# allow flash-kernel to work without valid /proc contents
-	# ** this doesn't *really* work, since there are too many checks
-	#    that fail in an emulated environment!  We'll have to do it by
-	#    hand below anyway...
-	export FK_MACHINE="TI AM335x BeagleBone"
-	apt-get install -y flash-kernel
+    # allow flash-kernel to work without valid /proc contents
+    # ** this doesn't *really* work, since there are too many checks
+    #    that fail in an emulated environment!  We'll have to do it by
+    #    hand below anyway...
+    export FK_MACHINE="TI AM335x BeagleBone"
+    apt-get install -y flash-kernel
 }
 
 beaglebone_repack_kernel() {
-	# process installed kernel to create uImage, uInitrd, dtb
-	# using flash-kernel would be a good approach, except it fails in the
-	# cross build environment due to too many environment checks...
-	#FK_MACHINE="TI AM335x BeagleBone" flash-kernel
-	#  so, let's do it manually...
-
-	# flash-kernel's hook-functions provided to mkinitramfs have the
-	# unfortunate side-effect of creating /conf/param.conf in the initrd
-	# when run from our emulated chroot environment, which means our root=
-	# on the kernel command line is completely ignored!  repack the initrd
-	# to remove this evil...
-
-	echo "info: repacking beaglebone kernel and initrd"
-
-	kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
-	version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
-	initRd=initrd.img-$version
-	vmlinuz=vmlinuz-$version
-
-	mkdir /tmp/initrd-repack
-
-	(cd /tmp/initrd-repack ; \
-	 zcat /boot/$initRd | cpio -i ; \
-	 rm -f conf/param.conf ; \
-	 find . | cpio --quiet -o -H newc | \
-		 gzip -9 > /boot/$initRd )
-
-	rm -rf /tmp/initrd-repack
-
-	(cd /boot ; \
-	 cp /usr/lib/$kernelVersion/am335x-boneblack.dtb dtb ; \
-	 cat $vmlinuz dtb >> temp-kernel ; \
-	 mkimage -A arm -O linux -T kernel -n "Debian kernel ${version}" \
-			 -C none -a 0x80200000 -e 0x80200000 -d temp-kernel uImage ; \
-	 rm -f temp-kernel ; \
-	 mkimage -A arm -O linux -T ramdisk -C gzip -a 0x81000000 -e 0x81000000 \
-			 -n "Debian ramdisk ${version}" \
-			 -d $initRd uInitrd )
+    # process installed kernel to create uImage, uInitrd, dtb
+    # using flash-kernel would be a good approach, except it fails in the
+    # cross build environment due to too many environment checks...
+    #FK_MACHINE="TI AM335x BeagleBone" flash-kernel
+    #  so, let's do it manually...
+
+    # flash-kernel's hook-functions provided to mkinitramfs have the
+    # unfortunate side-effect of creating /conf/param.conf in the initrd
+    # when run from our emulated chroot environment, which means our root=
+    # on the kernel command line is completely ignored!  repack the initrd
+    # to remove this evil...
+
+    echo "info: repacking beaglebone kernel and initrd"
+
+    kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
+    version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
+    initRd=initrd.img-$version
+    vmlinuz=vmlinuz-$version
+
+    mkdir /tmp/initrd-repack
+
+    (cd /tmp/initrd-repack ; \
+     zcat /boot/$initRd | cpio -i ; \
+     rm -f conf/param.conf ; \
+     find . | cpio --quiet -o -H newc | \
+         gzip -9 > /boot/$initRd )
+
+    rm -rf /tmp/initrd-repack
+
+    (cd /boot ; \
+     cp /usr/lib/$kernelVersion/am335x-boneblack.dtb dtb ; \
+     cat $vmlinuz dtb >> temp-kernel ; \
+     mkimage -A arm -O linux -T kernel -n "Debian kernel ${version}" \
+             -C none -a 0x80200000 -e 0x80200000 -d temp-kernel uImage ; \
+     rm -f temp-kernel ; \
+     mkimage -A arm -O linux -T ramdisk -C gzip -a 0x81000000 -e 0x81000000 \
+             -n "Debian ramdisk ${version}" \
+             -d $initRd uInitrd )
 }
 
 odroidc2_setup_boot() {
-	dtb="$1"
-
-	# Setup uEnv.txt
-	if grep -q btrfs /etc/fstab ; then
-		fstype=btrfs
-	else
-		fstype=ext4
-	fi
-	kernelVersion=$(ls /usr/lib/*/${dtb}.dtb | head -1 | cut -d/ -f4)
-	version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
-	initRd=initrd.img-$version
-	vmlinuz=vmlinuz-$version
-
-	# based on http://odroid.com/dokuwiki/doku.php?id=en:c2_building_u-boot
-	cat >> /boot/uEnv.txt <<EOF
+    dtb="$1"
+
+    # Setup uEnv.txt
+    if grep -q btrfs /etc/fstab ; then
+        fstype=btrfs
+    else
+        fstype=ext4
+    fi
+    kernelVersion=$(ls /usr/lib/*/${dtb}.dtb | head -1 | cut -d/ -f4)
+    version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
+    initRd=initrd.img-$version
+    vmlinuz=vmlinuz-$version
+
+    # based on http://odroid.com/dokuwiki/doku.php?id=en:c2_building_u-boot
+    cat >> /boot/uEnv.txt <<EOF
 mmcroot=/dev/mmcblk0p2 ro
 mmcrootfstype=$fstype rootwait fixrtc
 mmcrootflags=subvol=@
 uenvcmd=run loadfiles; run mmcargs; booti \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
 EOF
 
-	mkdir -p /boot/dtbs
-	cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
+    mkdir -p /boot/dtbs
+    cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
 }
 
 a20_setup_boot() {
-	dtb="$1"
-
-	# Setup boot.cmd
-	if grep -q btrfs /etc/fstab ; then
-		fstype=btrfs
-	else
-		fstype=ext4
-	fi
-	kernelVersion=$(ls /usr/lib/*/$dtb | head -1 | cut -d/ -f4)
-	version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
-	initRd=initrd.img-$version
-	vmlinuz=vmlinuz-$version
-
-	# Create boot.cmd
-	cat >> /boot/boot.cmd <<EOF
+    dtb="$1"
+
+    # Setup boot.cmd
+    if grep -q btrfs /etc/fstab ; then
+        fstype=btrfs
+    else
+        fstype=ext4
+    fi
+    kernelVersion=$(ls /usr/lib/*/$dtb | head -1 | cut -d/ -f4)
+    version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
+    initRd=initrd.img-$version
+    vmlinuz=vmlinuz-$version
+
+    # Create boot.cmd
+    cat >> /boot/boot.cmd <<EOF
 setenv mmcdev 0
 setenv mmcpart 1
 
 run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
 EOF
 
-	# boot.scr for Allwinner A20 based device
-	mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr
+    # boot.scr for Allwinner A20 based device
+    mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr
 
-	# Copy all DTBs
-	mkdir -p /boot/dtbs
-	cp /usr/lib/$kernelVersion/* /boot/dtbs
+    # Copy all DTBs
+    mkdir -p /boot/dtbs
+    cp /usr/lib/$kernelVersion/* /boot/dtbs
 
-	# extra boot modules
-	echo "rtc_sunxi" >> /etc/initramfs-tools/modules
+    # extra boot modules
+    echo "rtc_sunxi" >> /etc/initramfs-tools/modules
 }
 
 case "$MACHINE" in
-	beaglebone)
-		beaglebone_setup_boot
-		beaglebone_flash
-		beaglebone_repack_kernel
-		enable_serial_console ttyO0
-		;;
-	odroid-c2)
-		odroidc2_setup_boot meson64_odroidc2
-		enable_serial_console ttyO0
-		;;
-	cubietruck)
-		a20_setup_boot sun7i-a20-cubietruck.dtb
-		enable_serial_console ttyS0
-		;;
-	a20-olinuxino-lime)
-		a20_setup_boot sun7i-a20-olinuxino-lime.dtb
-		enable_serial_console ttyS0
-		;;
-	a20-olinuxino-lime2)
-		a20_setup_boot sun7i-a20-olinuxino-lime2.dtb
-		enable_serial_console ttyS0
-		;;
-	a20-olinuxino-micro)
-		a20_setup_boot sun7i-a20-olinuxino-micro.dtb
-		enable_serial_console ttyS0
-		;;
-	cubieboard2)
-		a20_setup_boot sun7i-a20-cubieboard2.dtb
-		enable_serial_console ttyS0
-		;;
+    beaglebone)
+        beaglebone_setup_boot
+        beaglebone_flash
+        beaglebone_repack_kernel
+        enable_serial_console ttyO0
+        ;;
+    odroid-c2)
+        odroidc2_setup_boot meson64_odroidc2
+        enable_serial_console ttyO0
+        ;;
+    cubietruck)
+        a20_setup_boot sun7i-a20-cubietruck.dtb
+        enable_serial_console ttyS0
+        ;;
+    a20-olinuxino-lime)
+        a20_setup_boot sun7i-a20-olinuxino-lime.dtb
+        enable_serial_console ttyS0
+        ;;
+    a20-olinuxino-lime2)
+        a20_setup_boot sun7i-a20-olinuxino-lime2.dtb
+        enable_serial_console ttyS0
+        ;;
+    a20-olinuxino-micro)
+        a20_setup_boot sun7i-a20-olinuxino-micro.dtb
+        enable_serial_console ttyS0
+        ;;
+    cubieboard2)
+        a20_setup_boot sun7i-a20-cubieboard2.dtb
+        enable_serial_console ttyS0
+        ;;
 esac