$ git clone -n https://gitee.com/wenyuzifang/fish.git /var/lib/mock/dist-an23-build-464751-73881/root/chroot_tmpdir/scmroot/fish
Cloning into '/var/lib/mock/dist-an23-build-464751-73881/root/chroot_tmpdir/scmroot/fish'...
$ git fetch origin 8ac59f7aa60b86f990ee0a535f50ad3bd52c3620:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/fish
 * [new ref]         8ac59f7aa60b86f990ee0a535f50ad3bd52c3620 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ac59f7 Update code from upstream