$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-protocol.git /var/lib/mock/f40-build-737431-13289/root/chroot_tmpdir/scmroot/rust-gix-protocol
Cloning into '/var/lib/mock/f40-build-737431-13289/root/chroot_tmpdir/scmroot/rust-gix-protocol'...
$ git fetch origin 89256634d1aed3e8e603d2e47667e966ab057afe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-protocol
 * [new ref]         89256634d1aed3e8e603d2e47667e966ab057afe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8925663 Update to version 0.44.2 (rhbz#2253275)