$ git clone -n https://gitee.com/lizhao2025/libdvdread.git /var/lib/mock/dist-an23-build-499909-74764/root/chroot_tmpdir/scmroot/libdvdread
Cloning into '/var/lib/mock/dist-an23-build-499909-74764/root/chroot_tmpdir/scmroot/libdvdread'...
$ git fetch origin 506b62c74cd374ff1cc3496c1660406e300f2759:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/libdvdread
 * [new ref]         506b62c74cd374ff1cc3496c1660406e300f2759 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 506b62c Update code from upstream