Source: mauve
Version: 20140821-1
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 mauve could not be built reproducibly.

The attached patch removes timestamps from the build system. Once
applied, mauve can be built reproducibly in our current reproducible
toolchain.

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


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-
diff -urNad mauve.orig/mauve-20140821/debian/rules 
mauve/mauve-20140821/debian/rules
--- mauve.orig/mauve-20140821/debian/rules      2015-02-12 23:49:53.696111641 
+0000
+++ mauve/mauve-20140821/debian/rules   2015-02-12 23:54:10.779458633 +0000
@@ -4,6 +4,7 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
 
 build: build-stamp
 build-arch: build-stamp
@@ -29,8 +30,8 @@
        mkdir -p debian/mauve/usr/src/mauve
        cp -a $(filter-out debian, $(wildcard .??* *)) \
                debian/mauve/usr/src/mauve/
-       tar -c --gzip -f $(CURDIR)/debian/mauve/usr/src/mauve.tar.gz \
-               -C debian/mauve/usr/src mauve
+       GZIP="-9n" tar -c --gzip -f $(CURDIR)/debian/mauve/usr/src/mauve.tar.gz 
\
+               -C debian/mauve/usr/src --mtime="$(BUILD_DATE)" mauve
        rm -rf debian/mauve/usr/src/mauve
 
 # Build architecture-independent files here.
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