Source: skalibs
Version: 0.47-1
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 skalibs could not be built reproducibly.

The attached patch sets the mtimes of all files which are modified
during the built to the date of the last changelog entry in order to
produce files with reproducible metadata.

Cheers,
akira

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


diff -u skalibs-0.47/debian/changelog skalibs-0.47/debian/changelog
--- skalibs-0.47/debian/changelog
+++ skalibs-0.47/debian/changelog
@@ -1,3 +1,10 @@
+skalibs (0.47-1.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix mtimes before building binary packages to produce reproducible output
+
+ -- akira <marival...@gmail.com>  Wed, 15 Jul 2015 18:15:29 +0200
+
 skalibs (0.47-1) unstable; urgency=low
 
   * new upstream version.
diff -u skalibs-0.47/debian/rules skalibs-0.47/debian/rules
--- skalibs-0.47/debian/rules
+++ skalibs-0.47/debian/rules
@@ -14,6 +14,8 @@
 
 DIR =$(shell pwd)/debian/skalibs
 
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
+
 configure: deb-checkdir configure-stamp
 configure-stamp:
        ln -s skalibs-0.47 skalibs
@@ -81,10 +83,14 @@
 
 binary-indep: install-indep skalibs-doc.deb
        dpkg-gencontrol -isp -pskalibs-doc -P'$(DIR)'-doc
+       find '$(DIR)'-doc -newermt '$(BUILD_DATE)' -print0 | \
+               xargs -0r touch --no-dereference --date='$(BUILD_DATE)'
        dpkg -b '$(DIR)'-doc ..
 
 binary-arch: install-arch skalibs-dev.deb
        dpkg-gencontrol -isp -pskalibs-dev -P'$(DIR)'-dev
+       find '$(DIR)'-dev -newermt '$(BUILD_DATE)' -print0 | \
+               xargs -0r touch --no-dereference --date='$(BUILD_DATE)'
        dpkg -b '$(DIR)'-dev ..
 
 binary: binary-indep binary-arch
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