$ git clone -n https://src.fedoraproject.org/rpms/python-pyocr.git /var/lib/mock/f45-build-32314-659/root/chroot_tmpdir/scmroot/python-pyocr
Cloning into '/var/lib/mock/f45-build-32314-659/root/chroot_tmpdir/scmroot/python-pyocr'...
$ git fetch origin 4f6cd7d8cc41639d95a54625d76533d4080f5d68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyocr
 * [new ref]         4f6cd7d8cc41639d95a54625d76533d4080f5d68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f6cd7d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild