$ git clone -n https://src.fedoraproject.org/rpms/rust-scx_utils.git /var/lib/mock/f41-build-1127522-20334/root/chroot_tmpdir/scmroot/rust-scx_utils
Cloning into '/var/lib/mock/f41-build-1127522-20334/root/chroot_tmpdir/scmroot/rust-scx_utils'...
$ git fetch origin b28d6bc86a1964323893a7e48a7dffdd54192e2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-scx_utils
 * [new ref]         b28d6bc86a1964323893a7e48a7dffdd54192e2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b28d6bc Updated to 0.6.0