forked from mirrors/nixpkgs
54f4992e80
this reproduces the docbook-generated html manual exactly enough to appease the compare workflows while we still support both toolchains. it's also a lot faster than the docbook toolchain, rendering the entire html manual in about two seconds on this machine (while docbook needs about 20).
328 lines
11 KiB
Nix
328 lines
11 KiB
Nix
{ pkgs
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, options
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, config
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, version
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, revision
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, extraSources ? []
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, baseOptionsJSON ? null
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, warningsAreErrors ? true
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, allowDocBook ? true
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, prefix ? ../../..
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}:
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with pkgs;
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let
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inherit (lib) hasPrefix removePrefix;
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lib = pkgs.lib;
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docbook_xsl_ns = pkgs.docbook-xsl-ns.override {
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withManOptDedupPatch = true;
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};
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manpageUrls = pkgs.path + "/doc/manpage-urls.json";
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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}/") ([ prefix ] ++ extraSources);
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stripAnyPrefixes = lib.flip (lib.foldr lib.removePrefix) prefixesToStrip;
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optionsDoc = buildPackages.nixosOptionsDoc {
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inherit options revision baseOptionsJSON warningsAreErrors allowDocBook;
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transformOptions = opt: opt // {
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# Clean up declaration sites to not refer to the NixOS source tree.
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declarations = map stripAnyPrefixes opt.declarations;
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};
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};
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nixos-lib = import ../../lib { };
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testOptionsDoc = let
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eval = nixos-lib.evalTest {
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# Avoid evaluating a NixOS config prototype.
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config.node.type = lib.types.deferredModule;
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options._module.args = lib.mkOption { internal = true; };
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};
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in buildPackages.nixosOptionsDoc {
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inherit (eval) options;
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inherit revision;
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transformOptions = opt: opt // {
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# Clean up declaration sites to not refer to the NixOS source tree.
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declarations =
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map
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(decl:
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if hasPrefix (toString ../../..) (toString decl)
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then
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let subpath = removePrefix "/" (removePrefix (toString ../../..) (toString decl));
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in { url = "https://github.com/NixOS/nixpkgs/blob/master/${subpath}"; name = subpath; }
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else decl)
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opt.declarations;
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};
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documentType = "none";
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variablelistId = "test-options-list";
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optionIdPrefix = "test-opt-";
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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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manualXsltprocOptions = toString [
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"--param chapter.autolabel 0"
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"--param part.autolabel 0"
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"--param preface.autolabel 0"
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"--param reference.autolabel 0"
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"--param section.autolabel 0"
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"--stringparam html.stylesheet 'style.css overrides.css highlightjs/mono-blue.css'"
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"--stringparam html.script './highlightjs/highlight.pack.js ./highlightjs/loader.js'"
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"--param xref.with.number.and.title 0"
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"--param toc.section.depth 0"
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"--param generate.consistent.ids 1"
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"--stringparam admon.style ''"
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"--stringparam callout.graphics.extension .svg"
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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 chunk.toc ${toc}"
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];
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linterFunctions = ''
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# outputs the context of an xmllint error output
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# LEN lines around the failing line are printed
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function context {
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# length of context
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local LEN=6
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# lines to print before error line
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local BEFORE=4
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# xmllint output lines are:
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# file.xml:1234: there was an error on line 1234
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while IFS=':' read -r file line rest; do
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echo
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if [[ -n "$rest" ]]; then
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echo "$file:$line:$rest"
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local FROM=$(($line>$BEFORE ? $line - $BEFORE : 1))
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# number lines & filter context
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nl --body-numbering=a "$file" | sed -n "$FROM,+$LEN p"
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else
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if [[ -n "$line" ]]; then
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echo "$file:$line"
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else
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echo "$file"
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fi
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fi
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done
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}
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function lintrng {
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xmllint --debug --noout --nonet \
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--relaxng ${docbook5}/xml/rng/docbook/docbook.rng \
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"$1" \
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2>&1 | context 1>&2
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# ^ redirect assumes xmllint doesn’t print to stdout
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}
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'';
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prepareManualFromMD = ''
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cp -r --no-preserve=all $inputs/* .
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substituteInPlace ./manual.md \
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--replace '@NIXOS_VERSION@' "${version}"
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substituteInPlace ./configuration/configuration.md \
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--replace \
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'@MODULE_CHAPTERS@' \
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${lib.escapeShellArg (lib.concatMapStringsSep "\n" (p: "${p.value}") config.meta.doc)}
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substituteInPlace ./nixos-options.md \
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--replace \
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'@NIXOS_OPTIONS_JSON@' \
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${optionsDoc.optionsJSON}/share/doc/nixos/options.json
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substituteInPlace ./development/writing-nixos-tests.section.md \
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--replace \
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'@NIXOS_TEST_OPTIONS_JSON@' \
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${testOptionsDoc.optionsJSON}/share/doc/nixos/options.json
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'';
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manual-combined = runCommand "nixos-manual-combined"
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{ inputs = lib.sourceFilesBySuffices ./. [ ".xml" ".md" ];
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nativeBuildInputs = [ pkgs.nixos-render-docs pkgs.libxml2.bin pkgs.libxslt.bin ];
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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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${prepareManualFromMD}
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nixos-render-docs -j $NIX_BUILD_CORES manual docbook \
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--manpage-urls ${manpageUrls} \
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--revision ${lib.escapeShellArg revision} \
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./manual.md \
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./manual-combined.xml
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${linterFunctions}
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mkdir $out
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cp manual-combined.xml $out/
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lintrng $out/manual-combined.xml
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'';
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manpages-combined = runCommand "nixos-manpages-combined.xml"
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{ nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin ];
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meta.description = "The NixOS manpages as plain docbook XML";
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}
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''
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mkdir generated
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cp -prd ${./man-pages.xml} man-pages.xml
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ln -s ${optionsDoc.optionsDocBook} generated/options-db.xml
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xmllint --xinclude --noxincludenode --output $out ./man-pages.xml
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${linterFunctions}
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lintrng $out
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'';
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in rec {
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inherit (optionsDoc) optionsJSON optionsNix optionsDocBook optionsUsedDocbook;
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# Generate the NixOS manual.
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manualHTML = runCommand "nixos-manual-html"
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{ nativeBuildInputs =
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if allowDocBook then [
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buildPackages.libxml2.bin
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buildPackages.libxslt.bin
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] else [
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buildPackages.nixos-render-docs
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];
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inputs = lib.optionals (! allowDocBook) (lib.sourceFilesBySuffices ./. [ ".md" ]);
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meta.description = "The NixOS manual in HTML format";
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allowedReferences = ["out"];
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}
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''
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# Generate the HTML manual.
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dst=$out/share/doc/nixos
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mkdir -p $dst
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cp ${../../../doc/style.css} $dst/style.css
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cp ${../../../doc/overrides.css} $dst/overrides.css
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cp -r ${pkgs.documentation-highlighter} $dst/highlightjs
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${if allowDocBook then ''
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xsltproc \
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${manualXsltprocOptions} \
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--stringparam id.warnings "1" \
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--nonet --output $dst/ \
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${docbook_xsl_ns}/xml/xsl/docbook/xhtml/chunktoc.xsl \
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${manual-combined}/manual-combined.xml \
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|& tee xsltproc.out
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grep "^ID recommended on" xsltproc.out &>/dev/null && echo "error: some IDs are missing" && false
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rm xsltproc.out
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mkdir -p $dst/images/callouts
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cp ${docbook_xsl_ns}/xml/xsl/docbook/images/callouts/*.svg $dst/images/callouts/
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'' else ''
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${prepareManualFromMD}
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# TODO generator is set like this because the docbook/md manual compare workflow will
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# trigger if it's different
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nixos-render-docs -j $NIX_BUILD_CORES manual html \
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--manpage-urls ${manpageUrls} \
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--revision ${lib.escapeShellArg revision} \
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--generator "DocBook XSL Stylesheets V${docbook_xsl_ns.version}" \
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--stylesheet style.css \
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--stylesheet overrides.css \
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--stylesheet highlightjs/mono-blue.css \
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--script ./highlightjs/highlight.pack.js \
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--script ./highlightjs/loader.js \
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--toc-depth 1 \
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--chunk-toc-depth 1 \
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./manual.md \
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$dst/index.html
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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" >> $out/nix-support/hydra-build-products
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''; # */
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# Alias for backward compatibility. TODO(@oxij): remove eventually.
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manual = manualHTML;
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# Index page of the NixOS manual.
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manualHTMLIndex = "${manualHTML}/share/doc/nixos/index.html";
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manualEpub = runCommand "nixos-manual-epub"
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{ nativeBuildInputs = [ buildPackages.libxml2.bin buildPackages.libxslt.bin buildPackages.zip ];
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}
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''
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# Generate the epub manual.
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dst=$out/share/doc/nixos
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xsltproc \
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${manualXsltprocOptions} \
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--nonet --xinclude --output $dst/epub/ \
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${docbook_xsl_ns}/xml/xsl/docbook/epub/docbook.xsl \
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${manual-combined}/manual-combined.xml
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mkdir -p $dst/epub/OEBPS/images/callouts
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cp -r ${docbook_xsl_ns}/xml/xsl/docbook/images/callouts/*.svg $dst/epub/OEBPS/images/callouts # */
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echo "application/epub+zip" > mimetype
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manual="$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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rm -rf $dst/epub
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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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# Generate the NixOS manpages.
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manpages = runCommand "nixos-manpages"
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{ nativeBuildInputs = [
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buildPackages.installShellFiles
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] ++ lib.optionals allowDocBook [
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buildPackages.libxml2.bin
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buildPackages.libxslt.bin
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] ++ lib.optionals (! allowDocBook) [
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buildPackages.nixos-render-docs
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];
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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/man8
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installManPage ${./manpages}/*
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${if allowDocBook
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then ''
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xsltproc --nonet \
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--maxdepth 6000 \
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--param man.output.in.separate.dir 1 \
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--param man.output.base.dir "'$out/share/man/'" \
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--param man.endnotes.are.numbered 0 \
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--param man.break.after.slash 1 \
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${docbook_xsl_ns}/xml/xsl/docbook/manpages/docbook.xsl \
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${manpages-combined}
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''
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else ''
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mkdir -p $out/share/man/man5
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nixos-render-docs -j $NIX_BUILD_CORES options manpage \
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--revision ${lib.escapeShellArg revision} \
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${optionsJSON}/share/doc/nixos/options.json \
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$out/share/man/man5/configuration.nix.5
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''}
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'';
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}
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