UpdateSourceFiles

    pub const UpdateSourceFiles = struct {
        flags: @This().Flags,
        embeds: Storage.FlagLengthPrefixedList(.flags, .embeds, Embed),
        copies: Storage.FlagLengthPrefixedList(.flags, .copies, Copy),

        pub const Embed = WriteFile.Embed;
        pub const Copy = WriteFile.Copy;

        pub const Flags = packed struct(u32) {
            tag: Tag = .update_source_files,
            embeds: bool,
            copies: bool,
            _: u25 = 0,
        };
    }