$ git clone -n https://gitee.com/opencloudos-stream/byaccj.git /var/lib/mock/dist-ocs23-base-build-286585-27882/root/chroot_tmpdir/scmroot/byaccj
Cloning into '/var/lib/mock/dist-ocs23-base-build-286585-27882/root/chroot_tmpdir/scmroot/byaccj'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/byaccj
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 358c60c Rebuilt for clarifying the packages requirement in BaseOS and AppStream