$ git clone -n https://gitee.com/lzq11122/libpng.git /var/lib/mock/dist-an23.4-build-527620-79621/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/dist-an23.4-build-527620-79621/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin 303d55052e4b6e04ca041f17e881470468201df6:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/libpng
 * [new ref]         303d55052e4b6e04ca041f17e881470468201df6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 303d550 Add patch to fix CVE-2026-34757