$ git clone -n https://src.fedoraproject.org/rpms/rust-num-integer.git /var/lib/mock/f40-build-2101254-50497/root/chroot_tmpdir/scmroot/rust-num-integer
Cloning into '/var/lib/mock/f40-build-2101254-50497/root/chroot_tmpdir/scmroot/rust-num-integer'...
$ git fetch origin af1b69822db24e2f9f297dbe43aaefdaa944eba4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-num-integer
 * [new ref]         af1b69822db24e2f9f297dbe43aaefdaa944eba4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af1b698 Regenerate with rust2rpm v24