$ git clone -n https://src.fedoraproject.org/rpms/lensfun.git /var/lib/mock/f41-build-side-2-python-2708262-30471/root/chroot_tmpdir/scmroot/lensfun
Cloning into '/var/lib/mock/f41-build-side-2-python-2708262-30471/root/chroot_tmpdir/scmroot/lensfun'...
$ git fetch origin 1bb526e41849b6247c3d7e49e2b921c0336c8e51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lensfun
 * [new ref]         1bb526e41849b6247c3d7e49e2b921c0336c8e51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bb526e Add BuildRequires: pyproject-rpm-macros