From cc70746e8efa6cadb23cbfcb11ddb51574c512a9 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 5 Oct 2018 21:40:13 -0700
Subject: [PATCH] doc: Use RELEASE_DATE to set PDF timestamps using faketime

This ensures that the generated PDF files do not depend on the time of
the build and only on the date of the release.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 configure.ac                  | 1 +
 doc/{Makefile => Makefile.am} | 9 +++++----
 2 files changed, 6 insertions(+), 4 deletions(-)
 rename doc/{Makefile => Makefile.am} (94%)

diff --git a/configure.ac b/configure.ac
index 9ad581c9..a14762b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -519,6 +519,7 @@ AC_OUTPUT([
 Makefile
 src/Makedefs
 src/chaoskey-v1.0/org.altusmetrum.ChaosKey.metainfo.xml
+doc/Makefile
 altoslib/Makefile
 altoslib/AltosVersion.java
 icon/Makefile
diff --git a/doc/Makefile b/doc/Makefile.am
similarity index 94%
rename from doc/Makefile
rename to doc/Makefile.am
index 5e175cbe..0139d313 100644
--- a/doc/Makefile
+++ b/doc/Makefile.am
@@ -2,6 +2,8 @@
 #	http://docbook.sourceforge.net/release/xsl/current/README
 #
 
+FAKETIME=$(RELEASE_DATE) 00:00:00
+
 RELNOTES_INC=\
 	release-notes-1.8.7.inc \
 	release-notes-1.8.6.inc \
@@ -245,7 +247,7 @@ PUBLISH_DOC=$(PUBLISH_HTML) $(HTML_REVHISTORY) $(PDF) $(IMAGES) $(STYLESHEET)
 
 DOC=$(HTML) $(HTML_REVHISTORY) $(PDF) $(IMAGES) $(STYLESHEET)
 
-.SUFFIXES: .tmpl .xsl .inc .txt .raw .pdf .html
+SUFFIXES = .tmpl .xsl .inc .txt .raw .pdf .html
 
 .txt.raw:
 	sed -e 's/^[ 	]*//' -e 's/^\\//' $*.txt > $@
@@ -254,12 +256,11 @@ DOC=$(HTML) $(HTML_REVHISTORY) $(PDF) $(IMAGES) $(STYLESHEET)
 	sed -e 's/^[ 	]*//' -e 's/^\\//' $*.inc > $@
 
 .raw.html:
-	a2x --verbose -a docinfo -f pdf --xsltproc-opts "--stringparam toc.section.depth 2" --xsl-file $(FOP_STYLE) --fop --fop-opts="-c $(FOP_XCONF)" $*.raw
-	a2x --verbose -a docinfo -f xhtml --xsltproc-opts "--stringparam toc.section.depth 2" --xsl-file $(HTML_STYLE) --stylesheet=$(STYLESHEET) $*.raw
+	a2x -a docinfo -f xhtml --xsltproc-opts "--stringparam toc.section.depth 2" --xsl-file $(HTML_STYLE) --stylesheet=$(STYLESHEET) $*.raw
 	case $* in release-notes*) ./fix-html $*.html ;; esac
 
 .html.pdf:
-	@echo $@
+	TZ=UTC faketime -f '$(FAKETIME) i0' a2x -a docinfo -f pdf --xsltproc-opts "--stringparam toc.section.depth 2" --xsl-file $(FOP_STYLE) --fop --fop-opts="-c $(FOP_XCONF)" $*.raw
 
 .tmpl.xsl:
 	xsltproc --output $@ /usr/share/xml/docbook/stylesheet/docbook-xsl/template/titlepage.xsl $*.tmpl
-- 
2.30.2