$ git clone -n https://gitee.com/renping000/python-dateutil.git /var/lib/mock/dist-an8.6-build-191939-60742/root/chroot_tmpdir/scmroot/python-dateutil
Cloning into '/var/lib/mock/dist-an8.6-build-191939-60742/root/chroot_tmpdir/scmroot/python-dateutil'...
$ git fetch origin 2fa666ba196a8998310543fa963bb6b4b7ad30df:KOJI_FETCH_HEAD
From https://gitee.com/renping000/python-dateutil
 * [new ref]         2fa666ba196a8998310543fa963bb6b4b7ad30df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fa666b modify spec file