run-tests: actually mark changed output as failure

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run-tests: actually mark changed output as failure

manifest hash: d657fbfb2f3bcf24038f20b17d776248e4b63b6b
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tests/run-tests

@@ -1,46 +1,47 b''
 #!/bin/bash
 
 set -e
 
 tests=0
 failed=0
 H=$PWD
 
 for f in `ls test-* | grep -Ev "\.|~"` ; do
     echo -n "."
     D=`mktemp -d`
     if [ "$D" == "" ] ; then
 	echo mktemp failed!
     fi
 
     cd $D
     fail=0
     if ! $H/$f > .out 2>&1 ; then
 	echo $f failed with error code $?
 	fail=1
     fi
     if [ -s .out -a ! -r $H/$f.out ] ; then
 	echo $f generated unexpected output:
 	cat .out
 	cp .out $H/$f.err
 	fail=1
     elif ! diff -u $H/$f.out .out > /dev/null ; then
 	echo $f output changed:
 	diff -u $H/$f.out .out && true
 	cp .out $H/$f.err
+	fail=1
     fi
 
     cd $H
     rm -r $D
 
     failed=$[$failed + $fail]
     tests=$[$tests + 1]
 done
 
 echo
 echo Ran $tests tests, $failed failed
 
 if [ $failed -gt 0 ] ; then
     exit 1
 fi