git: openjdk/skara: 43: Repository.get should return Optional.empty on non-existing directory

[duke]

Changeset: 90edbabb
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2019-07-04 15:01:19 +0000
URL:       http://git.openjdk.java.net/skara/commit/90edbabb

43: Repository.get should return Optional.empty on non-existing directory

Reviewed-by: rwestberg

! vcs/src/main/java/org/openjdk/skara/vcs/git/GitRepository.java
! vcs/src/main/java/org/openjdk/skara/vcs/hg/HgRepository.java
! vcs/src/test/java/org/openjdk/skara/vcs/RepositoryTests.java