addHeaderInstallationToIncludeTree

fn addHeaderInstallationToIncludeTree(cs: *Compile, installation: HeaderInstallation) void {
    if (cs.installed_headers_include_tree) |wf| switch (installation) {
        .file => |file| {
            _ = wf.addCopyFile(file.source, file.dest_rel_path);
        },
        .directory => |dir| {
            _ = wf.addCopyDirectory(dir.source, dir.dest_rel_path, .{
                .exclude_extensions = dir.options.exclude_extensions,
                .include_extensions = dir.options.include_extensions,
            });
        },
    };
}