$ git clone -n https://src.fedoraproject.org/rpms/xmlunit.git /var/lib/mock/f41-build-2410025-25459/root/chroot_tmpdir/scmroot/xmlunit
Cloning into '/var/lib/mock/f41-build-2410025-25459/root/chroot_tmpdir/scmroot/xmlunit'...
$ git fetch origin ea0867fd6d5472ba0cda18c431819a55f6ab1e5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlunit
 * [new ref]         ea0867fd6d5472ba0cda18c431819a55f6ab1e5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea0867f Update to upstream version 2.10.0