$ git clone -n https://src.fedoraproject.org/rpms/python-webob.git /var/lib/mock/f41-build-1032039-18543/root/chroot_tmpdir/scmroot/python-webob
Cloning into '/var/lib/mock/f41-build-1032039-18543/root/chroot_tmpdir/scmroot/python-webob'...
$ git fetch origin ce5756a16816422af5eb55d86f8fc8622fc36d03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-webob
 * [new ref]         ce5756a16816422af5eb55d86f8fc8622fc36d03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce5756a Explicitly require python-cgi at runtime