115 lines
3.8 KiB
Nix
115 lines
3.8 KiB
Nix
{ toplevel }:
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with builtins;
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with import ./utils.nix;
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let
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showCommand = { command, details, filename, toplevel }:
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let
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result = ''
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> **Warning** \
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> This program is **experimental** and its interface is subject to change.
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# Name
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`${command}` - ${details.description}
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# Synopsis
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${showSynopsis command details.args}
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${maybeSubcommands}
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${maybeDocumentation}
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${maybeOptions}
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'';
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showSynopsis = command: args:
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let
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showArgument = arg: "*${arg.label}*" + (if arg ? arity then "" else "...");
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arguments = concatStringsSep " " (map showArgument args);
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in ''
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`${command}` [*option*...] ${arguments}
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'';
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maybeSubcommands = if details ? commands && details.commands != {}
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then ''
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where *subcommand* is one of the following:
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${subcommands}
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''
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else "";
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subcommands = if length categories > 1
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then listCategories
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else listSubcommands details.commands;
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categories = sort (x: y: x.id < y.id) (unique (map (cmd: cmd.category) (attrValues details.commands)));
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listCategories = concatStrings (map showCategory categories);
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showCategory = cat: ''
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**${toString cat.description}:**
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${listSubcommands (filterAttrs (n: v: v.category == cat) details.commands)}
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'';
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listSubcommands = cmds: concatStrings (attrValues (mapAttrs showSubcommand cmds));
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showSubcommand = name: subcmd: ''
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* [`${command} ${name}`](./${appendName filename name}.md) - ${subcmd.description}
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'';
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maybeDocumentation = if details ? doc then details.doc else "";
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maybeOptions = if details.flags == {} then "" else ''
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# Options
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${showOptions details.flags toplevel.flags}
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'';
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showOptions = options: commonOptions:
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let
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allOptions = options // commonOptions;
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showCategory = cat: ''
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${if cat != "" then "**${cat}:**" else ""}
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${listOptions (filterAttrs (n: v: v.category == cat) allOptions)}
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'';
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listOptions = opts: concatStringsSep "\n" (attrValues (mapAttrs showOption opts));
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showOption = name: option:
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let
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shortName = if option ? shortName then "/ `-${option.shortName}`" else "";
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labels = if option ? labels then (concatStringsSep " " (map (s: "*${s}*") option.labels)) else "";
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in trim ''
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- `--${name}` ${shortName} ${labels}
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${option.description}
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'';
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categories = sort builtins.lessThan (unique (map (cmd: cmd.category) (attrValues allOptions)));
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in concatStrings (map showCategory categories);
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in squash result;
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appendName = filename: name: (if filename == "nix" then "nix3" else filename) + "-" + name;
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processCommand = { command, details, filename, toplevel }:
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let
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cmd = {
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inherit command;
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name = filename + ".md";
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value = showCommand { inherit command details filename toplevel; };
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};
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subcommand = subCmd: processCommand {
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command = command + " " + subCmd;
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details = details.commands.${subCmd};
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filename = appendName filename subCmd;
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inherit toplevel;
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};
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in [ cmd ] ++ concatMap subcommand (attrNames details.commands or {});
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parsedToplevel = builtins.fromJSON toplevel;
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manpages = processCommand {
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command = "nix";
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details = parsedToplevel;
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filename = "nix";
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toplevel = parsedToplevel;
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};
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tableOfContents = let
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showEntry = page:
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" - [${page.command}](command-ref/new-cli/${page.name})";
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in concatStringsSep "\n" (map showEntry manpages) + "\n";
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in (listToAttrs manpages) // { "SUMMARY.md" = tableOfContents; }
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