$ git clone -n https://gitee.com/src-opencloudos-rpms/nginx.git /var/lib/mock/dist-oc9-build-238356-82525/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-oc9-build-238356-82525/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin 3bc78046ec75bd985a1cc9cd60c9f3884d5c136a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nginx
 * [new ref]         3bc78046ec75bd985a1cc9cd60c9f3884d5c136a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bc7804 import nginx-1.26.3-1.tl4.ap.2