$ git clone -n https://gitee.com/tomcruiseqi/mupdf.git /var/lib/mock/dist-an23.4-build-523741-76902/root/chroot_tmpdir/scmroot/mupdf
Cloning into '/var/lib/mock/dist-an23.4-build-523741-76902/root/chroot_tmpdir/scmroot/mupdf'...
$ git fetch origin c6276fa365297e72f185bcdc9180c7ac50145b35:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/mupdf
 * [new ref]         c6276fa365297e72f185bcdc9180c7ac50145b35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6276fa [CVE][Upstream] Add patch to fix CVE-2026-3308