$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-copybutton.git /var/lib/mock/f45-build-33029-666/root/chroot_tmpdir/scmroot/python-sphinx-copybutton
Cloning into '/var/lib/mock/f45-build-33029-666/root/chroot_tmpdir/scmroot/python-sphinx-copybutton'...
$ git fetch origin a864f88bfd830ec910b45d1851e5733d4aaafda8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-copybutton
 * [new ref]         a864f88bfd830ec910b45d1851e5733d4aaafda8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a864f88 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild