$ git clone -n https://gitee.com/geliwei/libpng.git /var/lib/mock/dist-an23-build-554084-89038/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/dist-an23-build-554084-89038/root/chroot_tmpdir/scmroot/libpng'...
$ git reset --hard ac2dcefa82083834894c824d710f154cd75662d9
HEAD is now at ac2dcef fix: CVE-2025-64505 heap buffer over-read in libpng png_do_quantize