$ git clone -n https://gitee.com/src-opencloudos-rpms/vorbis-tools.git /var/lib/mock/dist-oc8-build-74003-49488/root/chroot_tmpdir/scmroot/vorbis-tools
Cloning into '/var/lib/mock/dist-oc8-build-74003-49488/root/chroot_tmpdir/scmroot/vorbis-tools'...
$ git fetch origin b3839d64d2ae34292002625c26b1dfbd5bb447b5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/vorbis-tools
 * [new ref]         b3839d64d2ae34292002625c26b1dfbd5bb447b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3839d6 import vorbis-tools-1.4.0-29.tl3