#!/bin/sh
. ${CIRROS_LIB:=/lib/cirros/shlib_cirros} ||
	{ echo "failed to read ${CIRROS_LIB}" 1>&2; exit 1; }

Usage() {
	cat <<EOF
${0##*/} device [log] [summary]
  resize the device with log sent to 'log'.

  if log is provided, stderr and stdout are redirected to that file
  if summary is provided, a summary (success/fail) will be written there
EOF
}

dev=${1:-/dev/root}
log="$2"
sumfile="$3"

[ $# -eq 1 -o $# -eq 2 -o $# -eq 3 ] ||
	{ Usage 1>&2; exit 1; }
[ "$1" = "-h" -o "$1" = "--help" ] && { Usage; exit 0; }

if [ -n "$log" -o "$log" = "-" ]; then
	time_call resize2fs "$dev" >"$log" 2>&1
else
	time_call resize2fs "$dev"
fi
ret=$?
delta=$_RET_TIME
[ $ret -eq 0 ] &&
	summary="$dev resized successfully [took ${delta}s]" ||
	summary="$dev resize failed ($ret) [took ${delta}s]"

if [ "$log" = "-" ]; then
	echo "$summary"
elif [ -n "$log" ]; then
	echo "$summary" >> "$log"
fi
if [ -n "$sumfile" ]; then
	[ "$sumfile" = "-" ] && echo "$summary" || echo "$summary" >> "$sumfile"
fi

exit $ret

# vi: ts=4 noexpandtab