322 lines
12 KiB
Nix
322 lines
12 KiB
Nix
{ pkgs, options, config, version, revision, extraSources ? [] }:
|
||
|
||
with pkgs;
|
||
|
||
let
|
||
lib = pkgs.lib;
|
||
|
||
# Remove invisible and internal options.
|
||
optionsListVisible = 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 lib.isFunction x then "<function>"
|
||
else x;
|
||
|
||
# Generate DocBook documentation for a list of packages. This is
|
||
# what `relatedPackages` option of `mkOption` from
|
||
# ../../../lib/options.nix influences.
|
||
#
|
||
# Each element of `relatedPackages` can be either
|
||
# - a string: that will be interpreted as an attribute name from `pkgs`,
|
||
# - a list: that will be interpreted as an attribute path from `pkgs`,
|
||
# - an attrset: that can specify `name`, `path`, `package`, `comment`
|
||
# (either of `name`, `path` is required, the rest are optional).
|
||
genRelatedPackages = packages:
|
||
let
|
||
unpack = p: if lib.isString p then { name = p; }
|
||
else if lib.isList p then { path = p; }
|
||
else p;
|
||
describe = args:
|
||
let
|
||
name = args.name or (lib.concatStringsSep "." args.path);
|
||
path = args.path or [ args.name ];
|
||
package = args.package or (lib.attrByPath path (throw "Invalid package attribute path `${toString path}'") pkgs);
|
||
in "<listitem>"
|
||
+ "<para><literal>pkgs.${name} (${package.meta.name})</literal>"
|
||
+ lib.optionalString (!package.meta.available) " <emphasis>[UNAVAILABLE]</emphasis>"
|
||
+ ": ${package.meta.description or "???"}.</para>"
|
||
+ lib.optionalString (args ? comment) "\n<para>${args.comment}</para>"
|
||
# Lots of `longDescription's break DocBook, so we just wrap them into <programlisting>
|
||
+ lib.optionalString (package.meta ? longDescription) "\n<programlisting>${package.meta.longDescription}</programlisting>"
|
||
+ "</listitem>";
|
||
in "<itemizedlist>${lib.concatStringsSep "\n" (map (p: describe (unpack p)) packages)}</itemizedlist>";
|
||
|
||
optionsListDesc = lib.flip map optionsListVisible (opt: opt // {
|
||
# Clean up declaration sites to not refer to the NixOS source tree.
|
||
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; }
|
||
// lib.optionalAttrs (opt ? relatedPackages) { relatedPackages = genRelatedPackages opt.relatedPackages; });
|
||
|
||
# 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;
|
||
|
||
# Custom "less" that pushes up all the things ending in ".enable*"
|
||
# and ".package*"
|
||
optionLess = a: b:
|
||
let
|
||
ise = lib.hasPrefix "enable";
|
||
isp = lib.hasPrefix "package";
|
||
cmp = lib.splitByAndCompare ise lib.compare
|
||
(lib.splitByAndCompare isp lib.compare lib.compare);
|
||
in lib.compareLists cmp a.loc b.loc < 0;
|
||
|
||
# Customly sort option list for the man page.
|
||
optionsList = lib.sort optionLess optionsListDesc;
|
||
|
||
# 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
|
||
${buildPackages.libxslt.bin}/bin/xsltproc \
|
||
--stringparam revision '${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;
|
||
nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin ];
|
||
meta.description = "The NixOS manual as plain docbook XML";
|
||
}
|
||
''
|
||
${copySources}
|
||
|
||
xmllint --xinclude --output ./manual-combined.xml ./manual.xml
|
||
xmllint --xinclude --noxincludenode \
|
||
--output ./man-pages-combined.xml ./man-pages.xml
|
||
|
||
# outputs the context of an xmllint error output
|
||
# LEN lines around the failing line are printed
|
||
function context {
|
||
# length of context
|
||
local LEN=6
|
||
# lines to print before error line
|
||
local BEFORE=4
|
||
|
||
# xmllint output lines are:
|
||
# file.xml:1234: there was an error on line 1234
|
||
while IFS=':' read -r file line rest; do
|
||
echo
|
||
if [[ -n "$rest" ]]; then
|
||
echo "$file:$line:$rest"
|
||
local FROM=$(($line>$BEFORE ? $line - $BEFORE : 1))
|
||
# number lines & filter context
|
||
nl --body-numbering=a "$file" | sed -n "$FROM,+$LEN p"
|
||
else
|
||
if [[ -n "$line" ]]; then
|
||
echo "$file:$line"
|
||
else
|
||
echo "$file"
|
||
fi
|
||
fi
|
||
done
|
||
}
|
||
|
||
function lintrng {
|
||
xmllint --debug --noout --nonet \
|
||
--relaxng ${docbook5}/xml/rng/docbook/docbook.rng \
|
||
"$1" \
|
||
2>&1 | context 1>&2
|
||
# ^ redirect assumes xmllint doesn’t print to stdout
|
||
}
|
||
|
||
lintrng manual-combined.xml
|
||
lintrng man-pages-combined.xml
|
||
|
||
mkdir $out
|
||
cp manual-combined.xml $out/
|
||
cp man-pages-combined.xml $out/
|
||
'';
|
||
|
||
olinkDB = runCommand "manual-olinkdb"
|
||
{ inherit sources;
|
||
nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin ];
|
||
}
|
||
''
|
||
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" >> $out/nix-support/hydra-build-products
|
||
''; # */
|
||
|
||
# Generate the NixOS manual.
|
||
manual = runCommand "nixos-manual"
|
||
{ inherit sources;
|
||
nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin ];
|
||
meta.description = "The NixOS manual in HTML format";
|
||
allowedReferences = ["out"];
|
||
}
|
||
''
|
||
# Generate the HTML manual.
|
||
dst=$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" >> $out/nix-support/hydra-build-products
|
||
''; # */
|
||
|
||
|
||
manualEpub = runCommand "nixos-manual-epub"
|
||
{ inherit sources;
|
||
buildInputs = [ libxml2.bin libxslt.bin zip ];
|
||
}
|
||
''
|
||
# Generate the epub manual.
|
||
dst=$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;
|
||
nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin ];
|
||
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
|
||
'';
|
||
|
||
}
|