$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-odb.git /var/lib/mock/f40-build-2706930-71245/root/chroot_tmpdir/scmroot/rust-gix-odb
Cloning into '/var/lib/mock/f40-build-2706930-71245/root/chroot_tmpdir/scmroot/rust-gix-odb'...
$ git fetch origin cc950715295df7c6a04ef41d0a68c99f0a7b1b50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-odb
 * [new ref]         cc950715295df7c6a04ef41d0a68c99f0a7b1b50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc95071 Update to version 0.59.0 (rhbz#2253269)