[Reproducible-builds] Bug#795203: xlsx2csv: please make the build reproducible

[Dhole]

Source: xlsx2csv
Version: 0.20+20121013+gitfa44ba6-1
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Hi,

While working on the "reproducible builds" effort [1], we have noticed
that xlsx2csv could not be built reproducibly.

The attached patch replaces the timestamp in the docs with the latest
debian/changelog entry timestamp. Once applied, xlsx2csv can be built
reproducibly in our current experimental framework.

 [1]: https://wiki.debian.org/ReproducibleBuilds


Regards,
-- 
Dhole
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diff -Nru xlsx2csv-0.20+20121013+gitfa44ba6/debian/changelog xlsx2csv-0.20+20121013+gitfa44ba6/debian/changelog
--- xlsx2csv-0.20+20121013+gitfa44ba6/debian/changelog	2013-06-06 06:43:15.000000000 +0200
+++ xlsx2csv-0.20+20121013+gitfa44ba6/debian/changelog	2015-08-10 23:39:03.000000000 +0200
@@ -1,3 +1,11 @@
+xlsx2csv (0.20+20121013+gitfa44ba6-1.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Replace man timestamp by the latest debian/changelog entry timestamp
+    to make the package build reproducible.
+
+ -- Eduard Sanou <dhole at openmailbox.org>  Mon, 10 Aug 2015 23:38:31 +0200
+
 xlsx2csv (0.20+20121013+gitfa44ba6-1) unstable; urgency=low
 
   * Initial release (Closes: #690354).
diff -Nru xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/honour-SOURCE_DATE_EPOCH.patch xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/honour-SOURCE_DATE_EPOCH.patch
--- xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/honour-SOURCE_DATE_EPOCH.patch	1970-01-01 01:00:00.000000000 +0100
+++ xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/honour-SOURCE_DATE_EPOCH.patch	2015-08-10 23:40:17.000000000 +0200
@@ -0,0 +1,20 @@
+Description: Fix man timestamp
+ Replace man timestamp with the latest debian/changelog timestamp entry to
+ make the man pages reproducible.
+Author: Eduard Sanou <dhole at openmailbox.org>
+
+--- xlsx2csv-0.20+20121013+gitfa44ba6.orig/man/pod2man.mk
++++ xlsx2csv-0.20+20121013+gitfa44ba6/man/pod2man.mk
+@@ -40,7 +40,11 @@ PACKAGE		?= package
+ # Optional variables to set
+ MANSECT		?= 1
+ PODCENTER	?= User Commands
+-PODDATE		?= $$(date "+%Y-%m-%d")
++ifdef SOURCE_DATE_EPOCH
++    PODDATE		?= $$(date -u -d @${SOURCE_DATE_EPOCH} "+%Y-%m-%d")
++else
++    PODDATE		?= $$(date "+%Y-%m-%d")
++endif
+ 
+ # Directories
+ MANSRC		?=
diff -Nru xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/series xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/series
--- xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/series	2013-06-06 06:43:15.000000000 +0200
+++ xlsx2csv-0.20+20121013+gitfa44ba6/debian/patches/series	2015-08-10 23:39:23.000000000 +0200
@@ -1 +1,2 @@
 10-eol-handler.patch
+honour-SOURCE_DATE_EPOCH.patch
diff -Nru xlsx2csv-0.20+20121013+gitfa44ba6/debian/rules xlsx2csv-0.20+20121013+gitfa44ba6/debian/rules
--- xlsx2csv-0.20+20121013+gitfa44ba6/debian/rules	2013-06-06 06:43:15.000000000 +0200
+++ xlsx2csv-0.20+20121013+gitfa44ba6/debian/rules	2015-08-10 23:34:29.000000000 +0200
@@ -4,6 +4,8 @@
 URL		= git://github.com/dilshod/xlsx2csv.git
 UPSTREAMDIR	= ../upstream.git
 
+export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog --count 1 -SDate)" +%s)
+
 man:
 	$(MAKE) -C man -f pod2man.mk PACKAGE=$(PACKAGE) makeman
 
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