$ git clone -n https://gitee.com/fundawang/mupdf.git /var/lib/mock/dist-an23-build-298567-65838/root/chroot_tmpdir/scmroot/mupdf
Cloning into '/var/lib/mock/dist-an23-build-298567-65838/root/chroot_tmpdir/scmroot/mupdf'...
$ git fetch origin ba0cd78e830c767817c34807befea826654585a7:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/mupdf
 * [new ref]         ba0cd78e830c767817c34807befea826654585a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba0cd78 1.23.2