kopia lustrzana https://github.com/cyoung/stratux
rodzic
7e0205be17
commit
f2c6c23c8e
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@ -15,103 +15,3 @@ if [ -e /root/update*stratux*v*.sh ] ; then
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fi
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fi
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fi
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fi
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get_init_sys() {
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if command -v systemctl > /dev/null && systemctl | grep -q '\-\.mount'; then
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SYSTEMD=1
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elif [ -f /etc/init.d/cron ] && [ ! -h /etc/init.d/cron ]; then
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SYSTEMD=0
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else
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echo "Unrecognised init system" >>/tmp/err
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return 1
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fi
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}
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do_expand_rootfs() {
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get_init_sys
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if [ $SYSTEMD -eq 1 ]; then
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ROOT_PART=$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p')
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else
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if ! [ -h /dev/root ]; then
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echo "/dev/root does not exist or is not a symlink. Don't know how to expand" >>/tmp/err
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return 0
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fi
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ROOT_PART=$(readlink /dev/root)
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fi
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PART_NUM=${ROOT_PART#mmcblk0p}
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if [ "$PART_NUM" = "$ROOT_PART" ]; then
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echo "$ROOT_PART is not an SD card. Don't know how to expand" >>/tmp/err
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return 0
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fi
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# NOTE: the NOOBS partition layout confuses parted. For now, let's only
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# agree to work with a sufficiently simple partition layout
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if [ "$PART_NUM" -ne 2 ]; then
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echo "Your partition layout is not currently supported by this tool. You are probably using NOOBS, in which case your root filesystem is already expanded anyway." >>/tmp/err
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return 0
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fi
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LAST_PART_NUM=$(parted /dev/mmcblk0 -ms unit s p | tail -n 1 | cut -f 1 -d:)
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if [ $LAST_PART_NUM -ne $PART_NUM ]; then
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echo "$ROOT_PART is not the last partition. Don't know how to expand" >>/tmp/err
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return 0
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fi
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# Get the starting offset of the root partition
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PART_START=$(parted /dev/mmcblk0 -ms unit s p | grep "^${PART_NUM}" | cut -f 2 -d: | sed 's/[^0-9]//g')
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[ "$PART_START" ] || return 1
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# Return value will likely be error for fdisk as it fails to reload the
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# partition table because the root fs is mounted
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fdisk /dev/mmcblk0 <<EOF
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p
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d
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$PART_NUM
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n
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p
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$PART_NUM
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$PART_START
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p
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w
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EOF
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# now set up an init.d script
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cat <<EOF > /etc/init.d/resize2fs_once &&
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#!/bin/sh
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### BEGIN INIT INFO
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# Provides: resize2fs_once
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# Required-Start:
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# Required-Stop:
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# Default-Start: 3
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# Default-Stop:
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# Short-Description: Resize the root filesystem to fill partition
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# Description:
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### END INIT INFO
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. /lib/lsb/init-functions
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case "\$1" in
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start)
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log_daemon_msg "Starting resize2fs_once" &&
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resize2fs /dev/$ROOT_PART &&
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update-rc.d resize2fs_once remove &&
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rm /etc/init.d/resize2fs_once &&
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log_end_msg \$?
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;;
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*)
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echo "Usage: \$0 start" >&2
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exit 3
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;;
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esac
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EOF
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chmod +x /etc/init.d/resize2fs_once &&
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update-rc.d resize2fs_once defaults
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}
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if [ ! -f /etc/stratux.firstboot ]; then
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echo "expanding filesystem (first boot)" >>/tmp/err
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do_expand_rootfs
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touch /etc/stratux.firstboot
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fi
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