$ git clone -n https://src.fedoraproject.org/rpms/sudo-rs.git /var/lib/mock/f41-build-820170-152085/root/chroot_tmpdir/scmroot/sudo-rs
Cloning into '/var/lib/mock/f41-build-820170-152085/root/chroot_tmpdir/scmroot/sudo-rs'...
$ git fetch origin 19f0e8a804f51ccf2920c04d32652e6e5695ac94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sudo-rs
 * [new ref]         19f0e8a804f51ccf2920c04d32652e6e5695ac94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19f0e8a Update to version 0.2.3; Fixes RHBZ#2298066