Bug#890551: mblaze: please make the build reproducible

[Chris Lamb]

Source: mblaze
Version: 0.3.2-1
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0], we noticed
that mblaze could not be built reproducibly.

Patch attached.

 [0] https://reproducible-builds.org/


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
-------------- next part --------------
--- a/debian/patches/reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/reproducible-build.patch	2018-02-15 20:58:12.715958345 +0000
@@ -0,0 +1,25 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby at debian.org>
+Last-Update: 2018-02-15
+
+--- mblaze-0.3.2.orig/GNUmakefile
++++ mblaze-0.3.2/GNUmakefile
+@@ -37,10 +37,17 @@ msort : mystrverscmp.o
+ mmime : slurp.o
+ minc mlist : squeeze_slash.o
+ 
++DATE_FMT = %Y-%m-%d
++ifdef SOURCE_DATE_EPOCH
++	BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date -u "+$(DATE_FMT)")
++else
++	BUILD_DATE ?= $(shell date "+$(DATE_FMT)")
++endif
++
+ museragent: FRC
+ 	@printf '#!/bin/sh\nprintf "User-Agent: mblaze/%s (%s)\\n"\n' \
+ 		"$$({ git describe --always --dirty 2>/dev/null || cat VERSION; } | sed 's/^v//')" \
+-		"$$(date +%Y-%m-%d)" >$@
++		"$(BUILD_DATE)" >$@
+ 	@chmod +x $@
+ 
+ README: man/mblaze.7
--- a/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/series	2018-02-15 20:58:11.831953372 +0000
@@ -0,0 +1 @@
+reproducible-build.patch