$ git clone -n https://gitee.com/opencloudos-stream/nginx.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-297479-29064/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-297479-29064/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nginx
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b07ae44 Rebuilt for clarifying the packages requirement in BaseOS and AppStream