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nixpkgs/nixos/doc/manual/default.nix
2017-06-29 11:25:03 -04:00

249 lines
8.3 KiB
Nix

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