$ git clone -n https://gitee.com/src-opencloudos-rpms/gstreamer1.git /var/lib/mock/dist-oc8-build-256283-84571/root/chroot_tmpdir/scmroot/gstreamer1
Cloning into '/var/lib/mock/dist-oc8-build-256283-84571/root/chroot_tmpdir/scmroot/gstreamer1'...
$ git fetch origin 899f0561f1d3e7640c01e9dd4444813bf8a771d0:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gstreamer1
 * [new ref]         899f0561f1d3e7640c01e9dd4444813bf8a771d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 899f056 import gstreamer1-1.16.1-3.tl3