$ git clone -n https://gitee.com/wenyuzifang/python-regex.git /var/lib/mock/dist-an23-build-464188-73881/root/chroot_tmpdir/scmroot/python-regex
Cloning into '/var/lib/mock/dist-an23-build-464188-73881/root/chroot_tmpdir/scmroot/python-regex'...
$ git fetch origin ad5e035466fc8cc6c47eb42f6b74abd90f5409e4:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-regex
 * [new ref]         ad5e035466fc8cc6c47eb42f6b74abd90f5409e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad5e035 Update code from upstream