Also test files that are BOTH added/modified

Author: coke

util/test-modified.sh

@@ -1,7 +1,7 @@
 # This script will run make xtest on any files in the repository that have not yet been committed
 # use before 'git commit' to ensure your commit doesn't require correction.
 
-export TEST_FILES=`git status --porcelain | egrep '^( M|A )' | awk '{print $2}'`
+export TEST_FILES=`git status --porcelain | egrep '^( M|A |AM)' | awk '{print $2}'`
 
 [ "$TEST_FILES" = "" ] && echo "nothing to test"
 [ "$TEST_FILES" != "" ] && RAKULIB=. make xtest