From 8dac5ce146c0c3afe963ea8bc955d5b147853345 Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Mon, 26 Mar 2018 08:24:27 -0400
Subject: nixpkgs docs: syntax highlight

---
 doc/Makefile | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'doc/Makefile')

diff --git a/doc/Makefile b/doc/Makefile
index b76ea9ed59e4..c16e70e9c6a2 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -6,16 +6,17 @@ all: validate out/html/index.html out/epub/manual.epub
 .PHONY: debug
 debug:
 	nix-shell --run "xmloscopy --docbook5 ./manual.xml ./manual-full.xml"
+
 .PHONY: clean
 clean:
 	rm -f ${MD_TARGETS} .version manual-full.xml
-	rm -rf ./out/
+	rm -rf ./out/ ./highlightjs
 
 .PHONY: validate
 validate: manual-full.xml
 	jing "$$RNG" manual-full.xml
 
-out/html/index.html: manual-full.xml style.css
+out/html/index.html: manual-full.xml style.css highlightjs
 	mkdir -p out/html
 	xsltproc ${xsltFlags} \
 		--nonet --xinclude \
@@ -23,12 +24,22 @@ out/html/index.html: manual-full.xml style.css
 		"$$XSL/docbook/xhtml/docbook.xsl" \
 		./manual-full.xml
 
+	mkdir -p out/html/highlightjs/
+	echo "document.onreadystatechange = function () { \
+	  var listings = document.querySelectorAll('.programlisting, .screen'); \
+	  for (i = 0; i < listings.length; ++i) { \
+	     hljs.highlightBlock(listings[i]); \
+	  } \
+	} " > out/html/highlightjs/loader.js
+
+	cp -r highlightjs out/html/
+
 	cp ./overrides.css out/html/
 	cp ./style.css out/html/style.css
 
 	mkdir -p out/html/images/callouts
 	cp "$$XSL/docbook/images/callouts/"*.svg out/html/images/callouts/
-	chmod u+w -R out/html/images/
+	chmod u+w -R out/html/
 
 out/epub/manual.epub: manual-full.xml
 	mkdir -p out/epub/scratch
@@ -47,6 +58,13 @@ out/epub/manual.epub: manual-full.xml
 	cd "out/epub/scratch/" && zip -Xr9D "../manual.epub" *
 	rm -rf "out/epub/scratch/"
 
+highlightjs:
+	mkdir -p highlightjs
+	cp -r "$$HIGHLIGHTJS/highlight.pack.js" highlightjs/
+	cp -r "$$HIGHLIGHTJS/LICENSE" highlightjs/
+	cp -r "$$HIGHLIGHTJS/mono-blue.css" highlightjs/
+
+
 manual-full.xml: ${MD_TARGETS} .version *.xml
 	xmllint --nonet --xinclude --noxincludenode manual.xml --output manual-full.xml
 
-- 
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