forked from Fediversity/fediversity.eu
137 lines
3.9 KiB
Nix
137 lines
3.9 KiB
Nix
{ config, options, lib, pkgs, ... }:
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let
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inherit (lib)
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mkOption
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types
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;
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cfg = config;
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in
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{
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options.pages = mkOption {
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description = ''
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Collection of pages on the site
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'';
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type = with types; attrsOf (submodule ({ name, config, ... }:
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{
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options = {
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title = mkOption {
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type = types.str;
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};
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locations = mkOption {
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description = ''
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List of historic output locations for the resulting file
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The first element is the canonical location.
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All other elements are used to create redirects to the canonical location.
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'';
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type = with types; nonEmptyListOf str;
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};
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outPath = mkOption {
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description = ''
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Canonical location of the page
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'';
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type = types.str;
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default = lib.head config.locations;
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};
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description = mkOption {
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description = ''
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One-sentence description of page contents
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'';
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type = types.str;
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};
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summary = mkOption {
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description = ''
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One-paragraph summary of page contents
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'';
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type = types.str;
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};
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body = mkOption {
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description = ''
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Page contents in CommonMark
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'';
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type = types.str;
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};
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template = mkOption
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{
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description = ''
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Function that converts the page contents to files
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'';
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type = with types; functionTo (functionTo (functionTo options.files.type));
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default = cfg.templates.default;
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};
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};
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}));
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};
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options.templates = mkOption {
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description = ''
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Collection of named functions to convert page contents to files
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'';
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type = with types; attrsOf (functionTo (functionTo (functionTo options.files.type)));
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};
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config.templates.default =
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let
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commonmark = name: markdown: pkgs.runCommand "${name}.html"
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{
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buildInputs = [ pkgs.cmark ];
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} ''
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cmark ${builtins.toFile "${name}.md" markdown} > $out
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'';
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in
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lib.mkDefault
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(config: name: page: {
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# TODO: create static redirects from the tail
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${lib.head page.locations} = builtins.toFile "${name}.html" ''
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<html>
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>${page.title}</title>
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<meta name="description" content="${page.description}" />
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<link rel="canonical" href="${lib.head page.locations}" />
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</head>
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<body>
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${builtins.readFile (commonmark name page.body)}
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<body>
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</html>
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'';
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});
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options.files = mkOption {
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description = ''
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Files that make up the site, mapping from output path to contents
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By default, all elements in `option`{pages} are converted to files using their template or the default template.
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Add more files to the output by assigning to this attribute set.
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'';
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type = with types; attrsOf path;
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};
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config.files = lib.concatMapAttrs
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(name: page: page.template config name page)
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config.pages;
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options.build = mkOption {
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description = ''
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The final output of the web site
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'';
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type = types.package;
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default =
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let
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script = ''
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mkdir $out
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'' + lib.concatStringsSep "\n" copy;
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copy = lib.mapAttrsToList
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(
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path: file: ''
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mkdir -p $out/$(dirname ${path})
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cp -r ${file} $out/${path}
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''
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)
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config.files;
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in
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pkgs.runCommand "source" { } script;
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};
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}
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