$ git clone -n https://src.fedoraproject.org/rpms/rust-busd.git /var/lib/mock/f41-build-861674-169955/root/chroot_tmpdir/scmroot/rust-busd
Cloning into '/var/lib/mock/f41-build-861674-169955/root/chroot_tmpdir/scmroot/rust-busd'...
$ git fetch origin 79c4817b683415cb87d0aa26af83bc02e63ada18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-busd
 * [new ref]         79c4817b683415cb87d0aa26af83bc02e63ada18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79c4817 Initial import; Fixes: RHBZ#2314923