$ git clone -n https://gitee.com/opencloudos-stream/v4l-utils.git /var/lib/mock/dist-ocs23-base-build-329672-35309/root/chroot_tmpdir/scmroot/v4l-utils
Cloning into '/var/lib/mock/dist-ocs23-base-build-329672-35309/root/chroot_tmpdir/scmroot/v4l-utils'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/v4l-utils
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4f5515 !4 [ID1S4A]:Rebuild for llvm in opencloudos-stream Merge pull request !4 from ocs-bot/master