$ git clone -n https://gitee.com/opencloudos-stream/boost.git /var/lib/mock/dist-ocs23-rebuild-test-1-build-315342-33019/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-1-build-315342-33019/root/chroot_tmpdir/scmroot/boost'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/boost
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04185f4 !9 Fix missing symbols in context on loongarch Merge pull request !9 from streamlet_hy/master