Source: magicfilter Version: 1.2-64 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 magicfilter 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/777448 Cheers, akira [1]: https://wiki.debian.org/ReproducibleBuilds
diff -Nru magicfilter-1.2/debian/changelog magicfilter-1.2/debian/changelog
--- magicfilter-1.2/debian/changelog 2011-09-17 05:40:00.000000000 +0200
+++ magicfilter-1.2/debian/changelog 2015-07-24 11:43:07.000000000 +0200
@@ -1,3 +1,10 @@
+magicfilter (1.2-64.1) UNRELEASED; urgency=medium
+
+ * Non-maintainer upload.
+ * Fix mtimes before building binary packages to produce reproducible output
+
+ -- akira <marival...@gmail.com> Fri, 24 Jul 2015 11:40:34 +0200
+
magicfilter (1.2-64) unstable; urgency=low
* debian/rules: Use -Os, *not* -0s. Tks Matthias Klose. Closes: #625174.
diff -Nru magicfilter-1.2/debian/rules magicfilter-1.2/debian/rules
--- magicfilter-1.2/debian/rules 2011-09-17 05:09:14.000000000 +0200
+++ magicfilter-1.2/debian/rules 2015-07-24 14:12:35.000000000 +0200
@@ -12,6 +12,8 @@
CFLAGS = -Wall -g
LDFLAGS=
+export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog --count 1
-SDate)" +%s)
+
ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
CFLAGS += -O0
else
@@ -75,6 +77,8 @@
chmod 644 $(tmp)/DEBIAN/conffiles
chown -R root.root $(tmp)
chmod -R g-ws,og=rX $(tmp)
+ find debian/tmp -newermt "@$$SOURCE_DATE_EPOCH" -print0 | \
+ xargs -0r touch --no-dereference --date="@$$SOURCE_DATE_EPOCH"
dpkg --build $(tmp) ..
chmod a+r debian/files
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