$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-object.git /var/lib/mock/f40-build-2092344-50271/root/chroot_tmpdir/scmroot/rust-gix-object
Cloning into '/var/lib/mock/f40-build-2092344-50271/root/chroot_tmpdir/scmroot/rust-gix-object'...
$ git fetch origin 5827ff89292ae12f6b5ac020fe3ef0529c8c5826:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-object
 * [new ref]         5827ff89292ae12f6b5ac020fe3ef0529c8c5826 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5827ff8 Update to version 0.38.0