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|
let
inherit (builtins)
attrNames attrValues fromJSON listToAttrs mapAttrs
concatStringsSep concatMap length lessThan replaceStrings sort;
inherit (import ./utils.nix) concatStrings optionalString filterAttrs trim squash unique showSettings;
in
commandDump:
let
commandInfo = fromJSON commandDump;
showCommand = { command, details, filename, toplevel }:
let
result = ''
> **Warning** \
> This program is
> [**experimental**](@docroot@/contributing/experimental-features.md#xp-feature-nix-command)
> and its interface is subject to change.
# Name
`${command}` - ${details.description}
# Synopsis
${showSynopsis command details.args}
${maybeSubcommands}
${maybeDocumentation}
${maybeOptions}
'';
showSynopsis = command: args:
let
showArgument = arg: "*${arg.label}*" + optionalString (! arg ? arity) "...";
arguments = concatStringsSep " " (map showArgument args);
in ''
`${command}` [*option*...] ${arguments}
'';
maybeSubcommands = optionalString (details ? commands && details.commands != {})
''
where *subcommand* is one of the following:
${subcommands}
'';
subcommands = if length categories > 1
then listCategories
else listSubcommands details.commands;
categories = sort (x: y: x.id < y.id) (unique (map (cmd: cmd.category) (attrValues details.commands)));
listCategories = concatStrings (map showCategory categories);
showCategory = cat: ''
**${toString cat.description}:**
${listSubcommands (filterAttrs (n: v: v.category == cat) details.commands)}
'';
listSubcommands = cmds: concatStrings (attrValues (mapAttrs showSubcommand cmds));
showSubcommand = name: subcmd: ''
* [`${command} ${name}`](./${appendName filename name}.md) - ${subcmd.description}
'';
maybeDocumentation = optionalString
(details ? doc)
(replaceStrings ["@stores@"] [storeDocs] details.doc);
maybeOptions = optionalString (details.flags != {}) ''
# Options
${showOptions details.flags toplevel.flags}
'';
showOptions = options: commonOptions:
let
allOptions = options // commonOptions;
showCategory = cat: ''
${optionalString (cat != "") "**${cat}:**"}
${listOptions (filterAttrs (n: v: v.category == cat) allOptions)}
'';
listOptions = opts: concatStringsSep "\n" (attrValues (mapAttrs showOption opts));
showOption = name: option:
let
shortName = optionalString
(option ? shortName)
("/ `-${option.shortName}`");
labels = optionalString
(option ? labels)
(concatStringsSep " " (map (s: "*${s}*") option.labels));
in trim ''
- `--${name}` ${shortName} ${labels}
${option.description}
'';
categories = sort lessThan (unique (map (cmd: cmd.category) (attrValues allOptions)));
in concatStrings (map showCategory categories);
in squash result;
appendName = filename: name: (if filename == "nix" then "nix3" else filename) + "-" + name;
processCommand = { command, details, filename, toplevel }:
let
cmd = {
inherit command;
name = filename + ".md";
value = showCommand { inherit command details filename toplevel; };
};
subcommand = subCmd: processCommand {
command = command + " " + subCmd;
details = details.commands.${subCmd};
filename = appendName filename subCmd;
inherit toplevel;
};
in [ cmd ] ++ concatMap subcommand (attrNames details.commands or {});
manpages = processCommand {
command = "nix";
details = commandInfo.args;
filename = "nix";
toplevel = commandInfo.args;
};
tableOfContents = let
showEntry = page:
" - [${page.command}](command-ref/new-cli/${page.name})";
in concatStringsSep "\n" (map showEntry manpages) + "\n";
storeDocs =
let
showStore = name: { settings, doc, experimentalFeature }:
let
experimentalFeatureNote = optionalString (experimentalFeature != null) ''
> **Warning**
> This store is part of an
> [experimental feature](@docroot@/contributing/experimental-features.md).
To use this store, you need to make sure the corresponding experimental feature,
[`${experimentalFeature}`](@docroot@/contributing/experimental-features.md#xp-feature-${experimentalFeature}),
is enabled.
For example, include the following in [`nix.conf`](#):
```
extra-experimental-features = ${experimentalFeature}
```
'';
in ''
## ${name}
${doc}
${experimentalFeatureNote}
**Settings**:
${showSettings { useAnchors = false; } settings}
'';
in concatStrings (attrValues (mapAttrs showStore commandInfo.stores));
in (listToAttrs manpages) // { "SUMMARY.md" = tableOfContents; }
|
