Add after_failure script to show failed test log

.travis.yml

@@ -62,3 +62,6 @@ matrix:
 
 script:
   "./scripts/travis"
+
+after_failure:
+  "./scripts/travis_failure"

scripts/travis_failure

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+CWD=`pwd`
+
+testsdir=`ls -d libressl-*/_build/sub/tests`
+if [ -d "$testsdir" ] ; then
+	echo "##### test logs in $testsdir"
+	cd $testsdir
+	for i in `ls *.trs` ; do
+		grep ':test-result: PASS' $i > /dev/null
+		if [ $? -eq 1 ] ; then
+			log=`echo $i | sed 's/\.trs$/\.log/'`
+			echo "***** $log"
+			cat $log
+		fi
+	done
+	cd $CWD
+fi