File: alignment_hfs

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partman-hfs 18
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#!/bin/sh

. /usr/lib/partman/lib/base.sh

bad=
for dev in $DEVICES/*; do
	[ -d "$dev" ] || continue
	cd "$dev"
	partitions=
	open_dialog PARTITIONS
	while { read_line num id size type fs path name; [ "$id" ]; }; do
		[ "$fs" != free ] || continue
		partitions="$partitions $id,$path"
	done
	close_dialog

	for part in $partitions; do
		id="${part%,*}"
		path="${part#*,}"
		[ -f "$id/method" ] || continue
		[ -f "$id/format" ] || continue
		[ -f "$id/acting_filesystem" ] || continue
		[ -f "$id/mountpoint" ] || continue
		filesystem="$(cat "$id/acting_filesystem")"
		mountpoint="$(cat "$id/mountpoint")"
		case $filesystem in
		    hfs|hfsplus)
			if [ -f $id/formatted ] && \
			   [ $id/formatted -nt $id/method ] && \
			   ([ ! -f $id/filesystem ] || \
			    [ $id/formatted -nt $id/filesystem ]); then
				continue
			fi
			open_dialog ALIGNMENT_OFFSET $id
			read_line offset
			close_dialog
			if [ "$offset" != 0 ]; then
				db_subst partman-hfs/bad_alignment PARTITION "$path"
				db_subst partman-hfs/bad_alignment MOUNTPOINT "$mountpoint"
				db_subst partman-hfs/bad_alignment OFFSET "$offset"
				db_input critical partman-hfs/bad_alignment || true
				db_go || true
				exit 1
			fi
			;;
		esac
	done
done