249 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			249 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { pkgs, options, config, version, revision, extraSources ? [] }:
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| 
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| with pkgs;
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| 
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| let
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|   lib = pkgs.lib;
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| 
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|   # Remove invisible and internal options.
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|   optionsList = lib.filter (opt: opt.visible && !opt.internal) (lib.optionAttrSetToDocList options);
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| 
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|   # Replace functions by the string <function>
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|   substFunction = x:
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|     if builtins.isAttrs x then lib.mapAttrs (name: substFunction) x
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|     else if builtins.isList x then map substFunction x
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|     else if builtins.isFunction x then "<function>"
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|     else x;
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| 
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|   # Clean up declaration sites to not refer to the NixOS source tree.
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|   optionsList' = lib.flip map optionsList (opt: opt // {
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|     declarations = map stripAnyPrefixes opt.declarations;
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|   }
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|   // lib.optionalAttrs (opt ? example) { example = substFunction opt.example; }
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|   // lib.optionalAttrs (opt ? default) { default = substFunction opt.default; }
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|   // lib.optionalAttrs (opt ? type) { type = substFunction opt.type; });
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| 
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|   # We need to strip references to /nix/store/* from options,
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|   # including any `extraSources` if some modules came from elsewhere,
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|   # or else the build will fail.
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|   #
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|   # E.g. if some `options` came from modules in ${pkgs.customModules}/nix,
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|   # you'd need to include `extraSources = [ pkgs.customModules ]`
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|   prefixesToStrip = map (p: "${toString p}/") ([ ../../.. ] ++ extraSources);
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|   stripAnyPrefixes = lib.flip (lib.fold lib.removePrefix) prefixesToStrip;
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| 
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|   # Convert the list of options into an XML file.
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|   optionsXML = builtins.toFile "options.xml" (builtins.toXML optionsList');
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| 
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|   optionsDocBook = runCommand "options-db.xml" {} ''
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|     optionsXML=${optionsXML}
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|     if grep /nixpkgs/nixos/modules $optionsXML; then
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|       echo "The manual appears to depend on the location of Nixpkgs, which is bad"
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|       echo "since this prevents sharing via the NixOS channel.  This is typically"
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|       echo "caused by an option default that refers to a relative path (see above"
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|       echo "for hints about the offending path)."
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|       exit 1
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|     fi
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|     ${libxslt.bin}/bin/xsltproc \
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|       --stringparam revision '${revision}' \
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|       -o $out ${./options-to-docbook.xsl} $optionsXML
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|   '';
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| 
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|   sources = lib.sourceFilesBySuffices ./. [".xml"];
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| 
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|   modulesDoc = builtins.toFile "modules.xml" ''
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|     <section xmlns:xi="http://www.w3.org/2001/XInclude" id="modules">
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|     ${(lib.concatMapStrings (path: ''
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|       <xi:include href="${path}" />
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|     '') (lib.catAttrs "value" config.meta.doc))}
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|     </section>
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|   '';
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| 
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|   copySources =
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|     ''
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|       cp -prd $sources/* . # */
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|       chmod -R u+w .
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|       ln -s ${modulesDoc} configuration/modules.xml
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|       ln -s ${optionsDocBook} options-db.xml
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|       printf "%s" "${version}" > version
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|     '';
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| 
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|   toc = builtins.toFile "toc.xml"
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|     ''
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|       <toc role="chunk-toc">
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|         <d:tocentry xmlns:d="http://docbook.org/ns/docbook" linkend="book-nixos-manual"><?dbhtml filename="index.html"?>
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|           <d:tocentry linkend="ch-options"><?dbhtml filename="options.html"?></d:tocentry>
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|           <d:tocentry linkend="ch-release-notes"><?dbhtml filename="release-notes.html"?></d:tocentry>
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|         </d:tocentry>
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|       </toc>
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|     '';
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| 
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|   manualXsltprocOptions = toString [
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|     "--param section.autolabel 1"
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|     "--param section.label.includes.component.label 1"
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|     "--stringparam html.stylesheet style.css"
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|     "--param xref.with.number.and.title 1"
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|     "--param toc.section.depth 3"
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|     "--stringparam admon.style ''"
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|     "--stringparam callout.graphics.extension .gif"
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|     "--stringparam current.docid manual"
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|     "--param chunk.section.depth 0"
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|     "--param chunk.first.sections 1"
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|     "--param use.id.as.filename 1"
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|     "--stringparam generate.toc 'book toc appendix toc'"
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|     "--stringparam chunk.toc ${toc}"
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|   ];
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| 
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|   manual-combined = runCommand "nixos-manual-combined"
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|     { inherit sources;
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|       buildInputs = [ libxml2 libxslt ];
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|       meta.description = "The NixOS manual as plain docbook XML";
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|     }
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|     ''
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|       ${copySources}
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| 
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|       xmllint --xinclude --output ./manual-combined.xml ./manual.xml
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|       xmllint --xinclude --noxincludenode \
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|          --output ./man-pages-combined.xml ./man-pages.xml
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| 
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|       xmllint --debug --noout --nonet \
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|         --relaxng ${docbook5}/xml/rng/docbook/docbook.rng \
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|         manual-combined.xml
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|       xmllint --debug --noout --nonet \
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|         --relaxng ${docbook5}/xml/rng/docbook/docbook.rng \
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|         man-pages-combined.xml
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| 
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| 
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|       mkdir $out
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|       cp manual-combined.xml $out/
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|       cp man-pages-combined.xml $out/
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|     '';
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| 
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|   olinkDB = runCommand "manual-olinkdb"
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|     { inherit sources;
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|       buildInputs = [ libxml2 libxslt ];
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|     }
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|     ''
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|       xsltproc \
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|         ${manualXsltprocOptions} \
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|         --stringparam collect.xref.targets only \
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|         --stringparam targets.filename "$out/manual.db" \
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|         --nonet \
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|         ${docbook5_xsl}/xml/xsl/docbook/xhtml/chunktoc.xsl \
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|         ${manual-combined}/manual-combined.xml
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| 
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|       cat > "$out/olinkdb.xml" <<EOF
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|       <?xml version="1.0" encoding="utf-8"?>
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|       <!DOCTYPE targetset SYSTEM
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|         "file://${docbook5_xsl}/xml/xsl/docbook/common/targetdatabase.dtd" [
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|         <!ENTITY manualtargets SYSTEM "file://$out/manual.db">
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|       ]>
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|       <targetset>
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|         <targetsetinfo>
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|             Allows for cross-referencing olinks between the manpages
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|             and manual.
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|         </targetsetinfo>
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| 
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|         <document targetdoc="manual">&manualtargets;</document>
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|       </targetset>
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|       EOF
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|     '';
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| 
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| in rec {
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| 
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|   # The NixOS options in JSON format.
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|   optionsJSON = runCommand "options-json"
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|     { meta.description = "List of NixOS options in JSON format";
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|     }
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|     ''
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|       # Export list of options in different format.
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|       dst=$out/share/doc/nixos
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|       mkdir -p $dst
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| 
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|       cp ${builtins.toFile "options.json" (builtins.unsafeDiscardStringContext (builtins.toJSON
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|         (builtins.listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) optionsList'))))
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|       } $dst/options.json
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| 
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|       mkdir -p $out/nix-support
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|       echo "file json $dst/options.json" >> $out/nix-support/hydra-build-products
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|     ''; # */
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| 
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|   # Generate the NixOS manual.
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|   manual = runCommand "nixos-manual"
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|     { inherit sources;
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|       buildInputs = [ libxml2 libxslt ];
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|       meta.description = "The NixOS manual in HTML format";
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|       allowedReferences = ["out"];
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|     }
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|     ''
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|       # Generate the HTML manual.
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|       dst=$out/share/doc/nixos
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|       mkdir -p $dst
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|       xsltproc \
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|         ${manualXsltprocOptions} \
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|         --stringparam target.database.document "${olinkDB}/olinkdb.xml" \
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|         --nonet --output $dst/ \
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|         ${docbook5_xsl}/xml/xsl/docbook/xhtml/chunktoc.xsl \
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|         ${manual-combined}/manual-combined.xml
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| 
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|       mkdir -p $dst/images/callouts
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|       cp ${docbook5_xsl}/xml/xsl/docbook/images/callouts/*.gif $dst/images/callouts/
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| 
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|       cp ${./style.css} $dst/style.css
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| 
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|       mkdir -p $out/nix-support
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|       echo "nix-build out $out" >> $out/nix-support/hydra-build-products
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|       echo "doc manual $dst" >> $out/nix-support/hydra-build-products
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|     ''; # */
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| 
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| 
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|   manualEpub = runCommand "nixos-manual-epub"
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|     { inherit sources;
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|       buildInputs = [ libxml2 libxslt zip ];
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|     }
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|     ''
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|       # Generate the epub manual.
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|       dst=$out/share/doc/nixos
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| 
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|       xsltproc \
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|         ${manualXsltprocOptions} \
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|         --stringparam target.database.document "${olinkDB}/olinkdb.xml" \
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|         --nonet --xinclude --output $dst/epub/ \
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|         ${docbook5_xsl}/xml/xsl/docbook/epub/docbook.xsl \
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|         ${manual-combined}/manual-combined.xml
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| 
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|       mkdir -p $dst/epub/OEBPS/images/callouts
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|       cp -r ${docbook5_xsl}/xml/xsl/docbook/images/callouts/*.gif $dst/epub/OEBPS/images/callouts # */
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|       echo "application/epub+zip" > mimetype
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|       manual="$dst/nixos-manual.epub"
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|       zip -0Xq "$manual" mimetype
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|       cd $dst/epub && zip -Xr9D "$manual" *
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| 
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|       rm -rf $dst/epub
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| 
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|       mkdir -p $out/nix-support
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|       echo "doc-epub manual $manual" >> $out/nix-support/hydra-build-products
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|     '';
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| 
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| 
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|   # Generate the NixOS manpages.
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|   manpages = runCommand "nixos-manpages"
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|     { inherit sources;
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|       buildInputs = [ libxml2 libxslt ];
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|       allowedReferences = ["out"];
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|     }
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|     ''
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|       # Generate manpages.
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|       mkdir -p $out/share/man
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|       xsltproc --nonet \
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|         --param man.output.in.separate.dir 1 \
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|         --param man.output.base.dir "'$out/share/man/'" \
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|         --param man.endnotes.are.numbered 0 \
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|         --param man.break.after.slash 1 \
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|         --stringparam target.database.document "${olinkDB}/olinkdb.xml" \
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|         ${docbook5_xsl}/xml/xsl/docbook/manpages/docbook.xsl \
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|         ${manual-combined}/man-pages-combined.xml
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|     '';
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| 
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| }
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