forked from lix-project/lix
96 lines
3.1 KiB
Nix
96 lines
3.1 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 =
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{ command, def, filename }:
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''
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**Warning**: This program is **experimental** and its interface is subject to change.
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''
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+ "# Name\n\n"
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+ "`${command}` - ${def.description}\n\n"
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+ "# Synopsis\n\n"
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+ showSynopsis { inherit command; args = def.args; }
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+ (if def.commands or {} != {}
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then
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let
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categories = sort (x: y: x.id < y.id) (unique (map (cmd: cmd.category) (attrValues def.commands)));
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listCommands = cmds:
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concatStrings (map (name:
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"* [`${command} ${name}`](./${appendName filename name}.md) - ${cmds.${name}.description}\n")
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(attrNames cmds));
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in
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"where *subcommand* is one of the following:\n\n"
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# FIXME: group by category
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+ (if length categories > 1
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then
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concatStrings (map
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(cat:
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"**${toString cat.description}:**\n\n"
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+ listCommands (filterAttrs (n: v: v.category == cat) def.commands)
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+ "\n"
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) categories)
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+ "\n"
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else
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listCommands def.commands
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+ "\n")
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else "")
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+ (if def ? doc
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then def.doc + "\n\n"
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else "")
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+ (let s = showOptions def.flags; in
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if s != ""
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then "# Options\n\n${s}"
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else "")
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;
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appendName = filename: name: (if filename == "nix" then "nix3" else filename) + "-" + name;
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showOptions = flags:
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let
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categories = sort builtins.lessThan (unique (map (cmd: cmd.category) (attrValues flags)));
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in
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concatStrings (map
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(cat:
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(if cat != ""
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then "**${cat}:**\n\n"
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else "")
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+ concatStrings
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(map (longName:
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let
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flag = flags.${longName};
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in
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" - `--${longName}`"
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+ (if flag ? shortName then " / `-${flag.shortName}`" else "")
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+ (if flag ? labels then " " + (concatStringsSep " " (map (s: "*${s}*") flag.labels)) else "")
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+ " \n"
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+ " " + flag.description + "\n\n"
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) (attrNames (filterAttrs (n: v: v.category == cat) flags))))
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categories);
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showSynopsis =
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{ command, args }:
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"`${command}` [*option*...] ${concatStringsSep " "
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(map (arg: "*${arg.label}*" + (if arg ? arity then "" else "...")) args)}\n\n";
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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.${name};
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})
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(attrNames def.commands or {});
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in
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let
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manpages = processCommand { filename = "nix"; command = "nix"; def = builtins.fromJSON command; };
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summary = concatStrings (map (manpage: " - [${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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