#!/bin/sh

. /lib/partman/lib/base.sh

# At least one file system to mount on /
no_root () {
	mountpoints=$(
		for i in /lib/partman/fstab.d/*; do
			[ -x "$i" ] || continue
			$i
		done |
		while read fs mp type options dump pass; do
			echo $mp
		done
	)

	for mp in $mountpoints; do
		if [ "$mp" = / ]; then
			return 0
		fi
	done

	db_capb align
	db_input critical partman-target/no_root || true
	db_go || true
	db_capb backup align
	exit 1
}

# No two file systems with one and the same mount point
same_mountpoints () {
	mountpoints=$(
		for i in /lib/partman/fstab.d/*; do
			[ -x "$i" ] || continue
			$i
		done |
		while read fs mp type options dump pass; do
			case "$mp" in
			    (/*)
				echo $mp,$fs;;
			esac
		done |
		sort
	)

	oldmp=' '
	for x in $mountpoints; do
		mp=${x%,*}
		fs=${x##*,}
		if [ "$mp" = "$oldmp" ]; then
			db_subst partman-target/same_mountpoint PART1 $(humandev $oldfs)
			db_subst partman-target/same_mountpoint PART2 $(humandev $fs)
			db_subst partman-target/same_mountpoint MOUNTPOINT "$mp"
			db_capb align
			db_input critical partman-target/same_mountpoint || true
			db_go || true
			db_capb backup align
			exit 1
		else
			oldmp="$mp"
			oldfs="$fs"
		fi
	done
}

# Some directories must be on the root file system
must_be_on_root () {
	mountpoints=$(
		for i in /lib/partman/fstab.d/*; do
			[ -x "$i" ] || continue
			$i
		done |
		while read fs mp type options dump pass; do
			echo $mp
		done
	)

	for mp in $mountpoints; do
		case $mp in
		    /bin|/dev|/etc|/lib|/lib32|/lib64|/media|/sbin)
			db_subst partman-target/must_be_on_root MOUNTPOINT "$mp"
			db_capb align
			db_input critical partman-target/must_be_on_root || true
			db_go || true
			db_capb backup align
			exit 1
		esac
	done
}

# kylin add
no_data () {
       mountpoints=$(
               for i in /lib/partman/fstab.d/*; do
                       [ -x "$i" ] || continue
                       $i
               done |
               while read fs mp type options dump pass; do
                       echo $mp
               done
       )

       for mp in $mountpoints; do
               if [ "$mp" = /data ]; then
                       return 0
               fi
       done

       db_capb align
       db_input critical partman-target/no_data || true
       db_go || true
       db_capb backup align
       exit 1
}

no_backup () {
       mountpoints=$(
               for i in /lib/partman/fstab.d/*; do
                       [ -x "$i" ] || continue
                       $i
               done |
               while read fs mp type options dump pass; do
                       echo $mp
               done
       )

       for mp in $mountpoints; do
               if [ "$mp" = /backup ]; then
                       return 0
               fi
       done

       db_capb align
       db_input critical partman-target/no_backup || true
       db_go || true
       db_capb backup align
       exit 1
}
# kylin end

no_root
same_mountpoints
must_be_on_root

# kylin add
kdata=''
kbackup=''
kfile="/tmp/kylin-data.ini"
if [ -e "$kfile" ]; then
       kdata=$(grep ^data $kfile | { read y; echo $y; })
       kdata=`echo $kdata | cut -d \= -f 2`
       kdata=$(echo $kdata)
       kbackup=$(grep ^backup $kfile | { read x; echo $x; })
       kbackup=`echo $kbackup | cut -d \= -f 2`
       kbackup=$(echo $kbackup)
fi
# if [ "$kdata" = "1" ]; then
#        no_data
# fi
# if [ "$kbackup" = "1" ]; then
#        no_backup
# fi
# kylin end
