$ git clone -n https://src.fedoraproject.org/rpms/rust-bitmaps.git /var/lib/mock/f40-build-2175776-51067/root/chroot_tmpdir/scmroot/rust-bitmaps
Cloning into '/var/lib/mock/f40-build-2175776-51067/root/chroot_tmpdir/scmroot/rust-bitmaps'...
$ git fetch origin df92c4b1c0466326bc37651768c1abf68673c19e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bitmaps
 * [new ref]         df92c4b1c0466326bc37651768c1abf68673c19e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df92c4b Fix invalid SPDX identifier in crate license