git worktree add ../freebsd-vendor-capsicum-test freebsd/vendor/google/capsicum-test
cd ../freebsd-vendor-capsicum-test
git remote add upstream-capsicum-test https://github.com/google/capsicum-test
git fetch upstream-capsicum-test
git checkout -f upstream-capsicum-test/dev --
git rm -rf autoconf/ casper/ gtest-1.10.0/ libcaprights/
git commit