+sha1_sum() {
+ sha1sum "$1" | cut -c 1-40
+}
+
get_rootdev() {
local dev=$(stat -c %D /)
- local maj=$(expr $dev : '\(..\)')
+ local maj=$(expr $dev : '\(..*\)..')
local min=${dev#$maj}
local bd=/dev/$(basename $(readlink /sys/dev/block/$((0x$maj)):$((0x$min))))
[ -b $bd ] || exit 1