# A nonempty diff is shipped as a TAP YAML block following "not ok"
# unless QUIET=1 in the environment.
#
+if [ "$1" = "-w" ]
+then
+ diffopts=-ubZ
+ shift
+else
+ diffopts=-u
+fi
+
legend=$1
checkfile=$2
trap 'rm /tmp/tapdiff$$' EXIT HUP INT QUIT TERM
-if diff --text -u ${checkfile} - >/tmp/tapdiff$$
+if diff --text "${diffopts}" ${checkfile} - >/tmp/tapdiff$$
then
echo "ok - ${legend}"
else