$ git clone -n https://gitee.com/wency_cn/python-jaraco-classes.git /var/lib/mock/dist-an23-build-491329-74530/root/chroot_tmpdir/scmroot/python-jaraco-classes
Cloning into '/var/lib/mock/dist-an23-build-491329-74530/root/chroot_tmpdir/scmroot/python-jaraco-classes'...
$ git fetch origin f6629b9e47b869310ea26479616d96e1c68c5470:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-jaraco-classes
 * [new ref]         f6629b9e47b869310ea26479616d96e1c68c5470 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6629b9 Update code from upstream