$ git clone -n https://gitee.com/fundawang/mupdf.git /var/lib/mock/dist-an23-build-353773-71027/root/chroot_tmpdir/scmroot/mupdf
Cloning into '/var/lib/mock/dist-an23-build-353773-71027/root/chroot_tmpdir/scmroot/mupdf'...
$ git fetch origin f07c12dfb1bc01182aea1c890c020cbe762462b8:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/mupdf
 * [new ref]         f07c12dfb1bc01182aea1c890c020cbe762462b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f07c12d 1.23.10