Source: sauce Version: 0.9.0+nmu3 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 sauce 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. Please also consider this other bug from the reproducible builds team: https://bugs.debian.org/777401 Cheers, akira [1]: https://wiki.debian.org/ReproducibleBuilds
diff -Nru sauce-0.9.0+nmu3/debian/changelog sauce-0.9.0+nmu4/debian/changelog
--- sauce-0.9.0+nmu3/debian/changelog 2013-10-31 11:42:03.000000000 +0100
+++ sauce-0.9.0+nmu4/debian/changelog 2015-07-25 15:18:55.000000000 +0200
@@ -1,3 +1,10 @@
+sauce (0.9.0+nmu4) UNRELEASED; urgency=medium
+
+ * Non-maintainer upload.
+ * Fix mtimes before building binary packages to produce reproducible output
+
+ -- akira <marival...@gmail.com> Sat, 25 Jul 2015 15:18:46 +0200
+
sauce (0.9.0+nmu3) unstable; urgency=low
* Non-maintainer upload.
diff -Nru sauce-0.9.0+nmu3/debian/rules sauce-0.9.0+nmu4/debian/rules
--- sauce-0.9.0+nmu3/debian/rules 2008-03-08 17:29:36.000000000 +0100
+++ sauce-0.9.0+nmu4/debian/rules 2015-07-25 15:18:44.000000000 +0200
@@ -24,6 +24,8 @@
revision=$(shell dpkg-parsechangelog | sed -n 's/^Version:.*-//p')
verext=-$(revision)deb
+export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog --count 1
-SDate)" +%s)
+
build-indep:
$(checkdir)
rm -f settings
@@ -75,6 +77,8 @@
chown -R mail.root debian/tmp/var/{lib,log}/sauce debian/tmp/etc/sauce/*
chown root.root debian/tmp/etc/sauce/sys-config
chmod -R u+w,go-ws,a+rX debian/tmp
+ find debian/tmp -newermt "@$$SOURCE_DATE_EPOCH" -print0 | \
+ xargs -0r touch --no-dereference --date="@$$SOURCE_DATE_EPOCH"
dpkg --build debian/tmp ..
define checkdir
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