$ git clone -n https://gitee.com/src-anolis-os/gstreamer1-plugins-bad-free.git /var/lib/mock/dist-an8.6-build-185285-60512/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free
Cloning into '/var/lib/mock/dist-an8.6-build-185285-60512/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free'...
$ git fetch origin 800069b3477243e5404643a7cbc2e0cab981fcba:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gstreamer1-plugins-bad-free
 * [new ref]         800069b3477243e5404643a7cbc2e0cab981fcba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 800069b Add doc sub package