$ git clone -n https://gitee.com/lzq11122/libpng.git /var/lib/mock/dist-an23.4-build-515667-75117/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/dist-an23.4-build-515667-75117/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin 6282f7c1c14b68e33703e83a19c698110e8b1d1b:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/libpng
 * [new ref]         6282f7c1c14b68e33703e83a19c698110e8b1d1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6282f7c Add patch to fix CVE-2026-25646