$ git clone -n https://src.fedoraproject.org/rpms/python-citeproc-py.git /var/lib/mock/f45-build-29946-642/root/chroot_tmpdir/scmroot/python-citeproc-py
Cloning into '/var/lib/mock/f45-build-29946-642/root/chroot_tmpdir/scmroot/python-citeproc-py'...
$ git fetch origin 2f7d6e50178e8cd27c1046eceebaf41a14d92bc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-citeproc-py
 * [new ref]         2f7d6e50178e8cd27c1046eceebaf41a14d92bc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f7d6e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild