git https://github.com/Hejsil/zig-clap.git master clap.zig 6c9ca9025199b145c42a75d10cadb3f97879ee6d
git https://github.com/mitchellh/zig-libxml2.git main libxml2.zig eabfcf3a0b3ca319693d3e5991098a77dace5e9b