$ git clone -n https://src.fedoraproject.org/rpms/python-PyMuPDF.git /var/lib/mock/f40-build-730701-103596/root/chroot_tmpdir/scmroot/python-PyMuPDF
Cloning into '/var/lib/mock/f40-build-730701-103596/root/chroot_tmpdir/scmroot/python-PyMuPDF'...
$ git fetch origin 9fde26b355f16c3bd94b21e3bb733ed131ce2769:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-PyMuPDF
 * [new ref]         9fde26b355f16c3bd94b21e3bb733ed131ce2769 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fde26b Update to new upstream release 1.23.4 (rhbz#2241098)