Bug#856860: archvsync: please make the build reproducible

[Chris Lamb]

Source: archvsync
Version: 20170204
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 archvsync 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/rules	2017-03-05 16:45:47.705903597 +0000
--- b/debian/rules	2017-03-05 16:54:28.296978100 +0000
@@ -17,5 +17,6 @@
 
 override_dh_builddeb:
 	dh_builddeb
-	tar -c -C debian/ftpsync-tar distrib | gzip -n > ../$(TARNAME)
+	find debian/ftpsync-tar -print0 | xargs -0r touch --no-dereference --date="@${SOURCE_DATE_EPOCH}"
+	(cd debian/ftpsync-tar && find -print0 | LC_ALL=C sort -z | tar --no-recursion --null -T - -c) | gzip -n > ../$(TARNAME)
 	dpkg-distaddfile $(TARNAME) raw-ftpsync -