forked from lix-project/lix
98 lines
3.3 KiB
Nix
98 lines
3.3 KiB
Nix
{ command }:
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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, def, filename }:
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let
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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*...] ${arguments}
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'';
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maybeSubcommands = if def ? commands && def.commands != {}
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then ''
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where *subcommand* is one of the following:
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${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 def.commands;
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categories = sort (x: y: x.id < y.id) (unique (map (cmd: cmd.category) (attrValues def.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) def.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) - ${subcmd.description}
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'';
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maybeDocumentation = if def ? doc then def.doc else "";
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maybeOptions = if def.flags == {} then "" else ''
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# Options
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${showOptions def.flags}
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'';
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showOptions = options:
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let
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showCategory = cat: ''
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${if cat != "" then "**${cat}:**" else ""}
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${listOptions (filterAttrs (n: v: v.category == cat) options)}
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'';
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listOptions = opts: concatStringsSep "\n" (attrValues (mapAttrs showOption opts));
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showOption = name: option:
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let
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shortName = if option ? shortName then "/ `-${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 options)));
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in concatStrings (map showCategory categories);
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in squash ''
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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}` - ${def.description}
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# Synopsis
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${showSynopsis command def.args}
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${maybeSubcommands}
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${maybeDocumentation}
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${maybeOptions}
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'';
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appendName = filename: name: (if filename == "nix" then "nix3" else filename) + "-" + name;
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processCommand = { command, def, filename }:
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[ { name = filename + ".md"; value = showCommand { inherit command def filename; }; inherit command; } ]
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++ concatMap
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(name: processCommand {
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filename = appendName filename name;
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command = command + " " + name;
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def = def.commands.${name};
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})
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(attrNames def.commands or {});
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manpages = processCommand { filename = "nix"; command = "nix"; def = builtins.fromJSON command; };
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summary = concatStrings (map (manpage: " - [${manpage.command}](command-ref/new-cli/${manpage.name})\n") manpages);
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in
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(listToAttrs manpages) // { "SUMMARY.md" = summary; }
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