$ git clone -n https://gitee.com/opencloudos-stream/mock.git /var/lib/mock/dist-ocs23-rebuild-test-1-build-286013-27834/root/chroot_tmpdir/scmroot/mock
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-1-build-286013-27834/root/chroot_tmpdir/scmroot/mock'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mock
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65ab61e Rebuilt for loongarch release