$ git clone -n https://gitee.com/wenjie2025/postfix_1770863271.git /var/lib/mock/dist-an23-build-513977-75110/root/chroot_tmpdir/scmroot/postfix_1770863271
Cloning into '/var/lib/mock/dist-an23-build-513977-75110/root/chroot_tmpdir/scmroot/postfix_1770863271'...
$ git fetch origin 8bd5f95ab71d82a8e375bbe7775187f04a9ce6a8:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/postfix_1770863271
 * [new ref]         8bd5f95ab71d82a8e375bbe7775187f04a9ce6a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bd5f95 Update code from upstream