$ git clone -n https://src.fedoraproject.org/rpms/python-wxpython4.git /var/lib/mock/f41-build-side-1-2815343-32952/root/chroot_tmpdir/scmroot/python-wxpython4
Cloning into '/var/lib/mock/f41-build-side-1-2815343-32952/root/chroot_tmpdir/scmroot/python-wxpython4'...
$ git fetch origin 2b9545675327258a6e1ce4af1b8c807afa98e45f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-wxpython4
 * [new ref]         2b9545675327258a6e1ce4af1b8c807afa98e45f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b95456 Update to new upstream release 4.2.2 (#2311851)