$ git clone -n https://gitee.com/wenjie2025/python-tornado_1768446733.git /var/lib/mock/dist-an23-build-507360-74918/root/chroot_tmpdir/scmroot/python-tornado_1768446733
Cloning into '/var/lib/mock/dist-an23-build-507360-74918/root/chroot_tmpdir/scmroot/python-tornado_1768446733'...
$ git fetch origin 2249e666d54983252ef56b00184be8fca048908d:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/python-tornado_1768446733
 * [new ref]         2249e666d54983252ef56b00184be8fca048908d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2249e66 Update code from upstream