git https://github.com/Hejsil/zig-clap.git master clap.zig 996821a3e1f186c9e5cdfd971d742c9815ea590e
git https://github.com/mitchellh/zig-libxml2.git db7805026143d753a1deb84c23580d8050471223 libxml2.zig db7805026143d753a1deb84c23580d8050471223