$ git clone -n https://src.fedoraproject.org/rpms/python-PyMuPDF.git /var/lib/mock/f40-build-2395049-60536/root/chroot_tmpdir/scmroot/python-PyMuPDF
Cloning into '/var/lib/mock/f40-build-2395049-60536/root/chroot_tmpdir/scmroot/python-PyMuPDF'...
$ git fetch origin 40ad312f5ec759be3ddccd1c846df5f898689d69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-PyMuPDF
 * [new ref]         40ad312f5ec759be3ddccd1c846df5f898689d69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40ad312 Rebuild against mupdf 1.23.10