$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxext-opengraph.git /var/lib/mock/f45-build-33145-667/root/chroot_tmpdir/scmroot/python-sphinxext-opengraph
Cloning into '/var/lib/mock/f45-build-33145-667/root/chroot_tmpdir/scmroot/python-sphinxext-opengraph'...
$ git fetch origin 274ce0678fbaa80da235e6fc841233eb7367cc56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxext-opengraph
 * [new ref]         274ce0678fbaa80da235e6fc841233eb7367cc56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 274ce06 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild