$ git clone -n https://src.fedoraproject.org/rpms/zulucrypt.git /var/lib/mock/f45-build-39431-735/root/chroot_tmpdir/scmroot/zulucrypt
Cloning into '/var/lib/mock/f45-build-39431-735/root/chroot_tmpdir/scmroot/zulucrypt'...
$ git fetch origin c1c849423d84b90fe60a56c651842387d0ed52e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zulucrypt
 * [new ref]         c1c849423d84b90fe60a56c651842387d0ed52e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1c8494 simplify .gitignore file