$ git clone -n https://src.fedoraproject.org/rpms/cvc5.git /var/lib/mock/f42-build-3528289-46309/root/chroot_tmpdir/scmroot/cvc5
Cloning into '/var/lib/mock/f42-build-3528289-46309/root/chroot_tmpdir/scmroot/cvc5'...
$ git fetch origin c2a41e8b291a8b9c8438968e119fcb723556afa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cvc5
 * [new ref]         c2a41e8b291a8b9c8438968e119fcb723556afa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2a41e8 Build tests with cmake (fixes ninja-build build)