$ git clone -n https://gitee.com/ywyw22/libdvdnav /var/lib/mock/dist-an8.6-build-186743-60586/root/chroot_tmpdir/scmroot/libdvdnav
Cloning into '/var/lib/mock/dist-an8.6-build-186743-60586/root/chroot_tmpdir/scmroot/libdvdnav'...
$ git fetch origin f2477e4d2a6e8733cfcf128adf4989d96829b4e1:KOJI_FETCH_HEAD
From https://gitee.com/ywyw22/libdvdnav
 * [new ref]         f2477e4d2a6e8733cfcf128adf4989d96829b4e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2477e4 add doc package