$ git clone -n https://src.fedoraproject.org/rpms/rust-msru.git /var/lib/mock/f38-build-side-42-init-devel-1085709-30004/root/chroot_tmpdir/scmroot/rust-msru
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1085709-30004/root/chroot_tmpdir/scmroot/rust-msru'...
$ git fetch origin 210ffa8a2211f7a0381bad3215b3a6449e9ce6d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-msru
 * [new ref]         210ffa8a2211f7a0381bad3215b3a6449e9ce6d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 210ffa8 Fix typo in crate description and correctly use rpmautospec