$ git clone -n https://src.fedoraproject.org/rpms/python-pikepdf.git /var/lib/mock/f39-build-1695986-41169/root/chroot_tmpdir/scmroot/python-pikepdf
Cloning into '/var/lib/mock/f39-build-1695986-41169/root/chroot_tmpdir/scmroot/python-pikepdf'...
$ git fetch origin c82b18054bcf1848f748e2a748d1597b434c50f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pikepdf
 * [new ref]         c82b18054bcf1848f748e2a748d1597b434c50f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c82b180 Update to latest version (#2242851)