$ git clone -n https://src.fedoraproject.org/rpms/rust-uzers.git /var/lib/mock/f41-build-side-1-2816519-32968/root/chroot_tmpdir/scmroot/rust-uzers
Cloning into '/var/lib/mock/f41-build-side-1-2816519-32968/root/chroot_tmpdir/scmroot/rust-uzers'...
$ git fetch origin 343434a59e2483b84b29a4436f252849729b87e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uzers
 * [new ref]         343434a59e2483b84b29a4436f252849729b87e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 343434a Update to version 0.12.1; Fixes RHBZ#2302633