File: initial_auto_raid_fs

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partman-auto-raid 5
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#!/bin/sh

# Set the filesystems for the newly created preseeded RAID config

. /lib/partman/definitions.sh

fix_raid_fs() {
	raidnum=$1
	fstype=$2
	mountpoint=$3

	dev="/var/lib/partman/devices/=dev=md=$raidnum"
	if [ ! -d $dev ]; then
		logger -t partman-auto-raid "Error: directory for /dev/md/$raidnum not found"
		db_set partman-auto-raid/error false
		db_input critical partman-auto-raid/error
		db_go
		exit 1
	fi
	cd $dev

	id=$(ls -d 0-*)
	if [ -z $id ]; then
		logger -t partman-auto-raid "Error: incorrect directory for /dev/md/$raidnum"
		db_set partman-auto-raid/error false
		db_input critical partman-auto-raid/error
		db_go
		exit 1
	fi
	cd $id

	if [ "$fstype" = swap ]; then
		rm -f filesystem mountpoint use_filesystem options
		echo "swap" >method
	else
		echo "$fstype" >filesystem
		echo "$mountpoint" >mountpoint
		echo "format" >method
		touch use_filesystem
		mkdir options
	fi
	touch format
	touch formatable

	update_partition $dev $id
}

# Only run if we have succesfully done the initial_auto_raid stuff
if [ ! -f /var/lib/partman/do_initial_auto_raid_fs ]; then
	exit 0
fi
rm /var/lib/partman/do_initial_auto_raid_fs

# Check we have the stashed value of the first RAID dev we created
db_get partman-auto-raid/raidnum
if [ -z "$RET" ]; then
	logger -t partman-auto-raid "Error: cannot determine device number for RAID device"
	db_set partman-auto-raid/error false
	db_input critical partman-auto-raid/error
	db_go
	exit 1
fi
raidnum=$RET

# We've already checked that there is a recipe
db_get partman-auto-raid/recipe
recipes=$RET

# Try to act on each recipe we were given
while [ -n "$recipes" ]; do
	tmp=$recipes
	recipes=$(echo $tmp | sed -e 's/^[^.]*\.\(.*\)$/\1/');
	recipe=$(echo $tmp | sed -e 's/^\([^.]*\)\..*$/\1/');

	if [ "$recipe" = "$recipes" ]; then
		recipes=''
	fi

	# Do the recipe!
	echo $recipe >/tmp/partman-auto-raid-fs-recipe
	read raidtype devcount sparecount fstype mountpoint devs \
		</tmp/partman-auto-raid-fs-recipe
	fix_raid_fs $raidnum $fstype $mountpoint

	raidnum=$(($raidnum + 1))
done