travis: Don't build botan twice if installing dependencies is retried

diff --git a/scripts/test.sh b/scripts/test.sh
index 25eca29f0df0254e09ce4880832aeca956944c9c..6f97e2435671b7223c80c326a6cfa1ea75285802 100755 (executable)
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -7,6 +7,10 @@ build_botan()
        BOTAN_REV=1872f899716854927ecc68022fac318735be8824
        BOTAN_DIR=$TRAVIS_BUILD_DIR/../botan
 
+       if test -d "$BOTAN_DIR"; then
+               return
+       fi
+
        # if the leak detective is enabled we have to disable threading support
        # (used for std::async) as that causes invalid frees somehow, the
        # locking allocator causes a static leak via the first function that