$ git clone -n https://src.fedoraproject.org/rpms/rust-rd-hashd-intf.git /var/lib/mock/f40-build-2654920-66907/root/chroot_tmpdir/scmroot/rust-rd-hashd-intf
Cloning into '/var/lib/mock/f40-build-2654920-66907/root/chroot_tmpdir/scmroot/rust-rd-hashd-intf'...
$ git fetch origin 6dbbb31876d6e2c72a15528987fab99e153468cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rd-hashd-intf
 * [new ref]         6dbbb31876d6e2c72a15528987fab99e153468cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dbbb31 Regenerate with rust2rpm v24