$ git clone -n https://gitee.com/wenjie2025/postfix_1774991716.git /var/lib/mock/dist-an23-build-523308-76923/root/chroot_tmpdir/scmroot/postfix_1774991716
Cloning into '/var/lib/mock/dist-an23-build-523308-76923/root/chroot_tmpdir/scmroot/postfix_1774991716'...
$ git fetch origin f9246118f9211bea23837583314ddd89940759e0:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/postfix_1774991716
 * [new ref]         f9246118f9211bea23837583314ddd89940759e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f924611 Update code from upstream