travis-ci: record and skip successfully built trees

diff --git a/ci/run-tests.sh b/ci/run-tests.sh
index f0c743de948d282f3259fcf22b19fd84e15dcf42..eb5ba4058ad0cf34302d37907ebe98dfbfc06d02 100755 (executable)
--- a/ci/run-tests.sh
+++ b/ci/run-tests.sh
@@ -5,6 +5,7 @@
 
 . ${0%/*}/lib-travisci.sh
 
-mkdir -p $HOME/travis-cache
 ln -s $HOME/travis-cache/.prove t/.prove
 make --quiet test
+
+save_good_tree