$ git clone -n https://src.fedoraproject.org/rpms/python-diff-match-patch.git /var/lib/mock/f45-build-30353-644/root/chroot_tmpdir/scmroot/python-diff-match-patch
Cloning into '/var/lib/mock/f45-build-30353-644/root/chroot_tmpdir/scmroot/python-diff-match-patch'...
$ git fetch origin 0195cb5bda45eef7a0e236a73384c723c1dfb1d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-diff-match-patch
 * [new ref]         0195cb5bda45eef7a0e236a73384c723c1dfb1d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0195cb5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild