$ git clone -n https://src.fedoraproject.org/rpms/pgsphere.git /var/lib/mock/f45-build-27808-626/root/chroot_tmpdir/scmroot/pgsphere
Cloning into '/var/lib/mock/f45-build-27808-626/root/chroot_tmpdir/scmroot/pgsphere'...
$ git fetch origin cfa7f2222e6889bcf6232f4e0f6af17937fb1abe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pgsphere
 * [new ref]         cfa7f2222e6889bcf6232f4e0f6af17937fb1abe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfa7f22 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild