$ git clone -n https://gitee.com/opencloudos-stream/ocaml-srpm-macros.git /var/lib/mock/dist-ocs23-base-build-300410-29646/root/chroot_tmpdir/scmroot/ocaml-srpm-macros
Cloning into '/var/lib/mock/dist-ocs23-base-build-300410-29646/root/chroot_tmpdir/scmroot/ocaml-srpm-macros'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocaml-srpm-macros
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74b429a !2 use _vendor macro Merge pull request !2 from denisecheng/master