MycroftOS: Buildroot: At first boot expand data partition over the whole SD card.

buildroot-external/rootfs-overlay/etc/init.d/S00resize_sdcard

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+echo "Resize data partition ..."
+parted /dev/mmcblk0 unit % resizepart 2 yes 100%
+echo "Resize partition done"
+
+partprobe /dev/mmcblk0
+sync
+
+echo "Resize data filesystem ..."
+resize2fs /dev/mmcblk0p2
+echo "Resize filesystem done"
+
+chmod -x /etc/init.d/S00resize_sdcard
+

buildroot-external/rootfs-overlay/etc/init.d/S00resizefs_once

@@ -1,23 +0,0 @@
-#!/bin/sh
-#
-# Auto resize root partition at first boot after init_resize
-#
-
-start() {
-	printf "Starting resize2fs_once: "
-	ROOT_DEV=$(findmnt / -o source -n) &&
-	resize2fs $ROOT_DEV &&
-	rm /etc/init.d/S00resizefs_once &&
-	echo "OK"
-}
-
-case "$1" in
-  start)
-	start
-	;;
-  *)
-	echo "Usage: $0 {start}"
-	exit 1
-esac
-
-exit $?

buildroot-external/rootfs-overlay/etc/init.d/init_resize.sh

@@ -1,31 +0,0 @@
-#!/bin/bash
-set -e
-
-mount -t proc proc /proc
-mount -t sysfs sys /sys
-mount -t tmpfs tmp /run
-
-mount /boot
-mount / -o remount,rw
-
-sed -i 's| init=/etc/init.d/init_resize.sh||' /boot/cmdline.txt
-sync
-
-DEVICE="/dev/mmcblk0"
-PARTNR="p2"
-
-CURRENTSIZEB=`fdisk -l $DEVICE$PARTNR | grep "Disk $DEVICE$PARTNR" | cut -d' ' -f5`
-CURRENTSIZE=`expr $CURRENTSIZEB / 1024 / 1024`
-MAXSIZEMB=`printf %s\\n 'unit MB print list' | parted | grep "Disk ${DEVICE}" | cut -d' ' -f3 | tr -d MB`
-
-echo "[ok] applying resize operation.."
-parted ${DEVICE} resizepart ${PARTNR} ${MAXSIZEMB}
-echo "[done]"
-
-partprobe $DEVICE
-
-umount /boot
-mount / -o remount,ro
-sync
-
-reboot