Source: splitpatch
Version: 0.0+20131223+gitb13d810-1
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi!

While working on the "reproducible builds" effort [1], we have noticed
that splitpatch could not be built reproducibly.
The current date is embedded into the manpage.

The attached patch replaces the timestamp with the date from the latest
changelog entry.

Regards,
 Reiner

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


diff --git a/debian/pod2man.mk b/debian/pod2man.mk
index d639c59..ea04401 100644
--- a/debian/pod2man.mk
+++ b/debian/pod2man.mk
@@ -34,9 +34,11 @@ endif
 PACKAGE		?= package
 RELEASE         ?= $(PACKAGE)
 
+SOURCE_DATE_EPOCH ?= $$(dpkg-parsechangelog -l changelog -S Date | date "+%s" -f -)
+
 # Optional variables to set
 MANSECT		?= 1
-PODCENTER	?= $$(date "+%Y-%m-%d")
+PODCENTER	?= $$(date -u "+%Y-%m-%d" -d "@$(SOURCE_DATE_EPOCH)")
 
 # Directories
 MANSRC		=

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