$ git clone -n https://gitee.com/wenjie2025/tuna_1773470590.git /var/lib/mock/dist-an23-build-520004-75840/root/chroot_tmpdir/scmroot/tuna_1773470590
Cloning into '/var/lib/mock/dist-an23-build-520004-75840/root/chroot_tmpdir/scmroot/tuna_1773470590'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/tuna_1773470590
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bc1534 Update code from upstream