Source: ccze
Version: 0.2.1-2
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 ccze 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 ccze-0.2.1/debian/changelog ccze-0.2.1/debian/changelog
--- ccze-0.2.1/debian/changelog
+++ ccze-0.2.1/debian/changelog
@@ -1,3 +1,10 @@
+ccze (0.2.1-2.1) UNRELEASED; urgency=medium
+
+ * Non-maintainer upload.
+ * Fix mtimes before building binary packages to produce reproducible output
+
+ -- akira <marival...@gmail.com> Thu, 16 Jul 2015 23:52:43 +0200
+
ccze (0.2.1-2) unstable; urgency=low
* Add myself as Maintainer, as Gergely seems to be MIA
diff -u ccze-0.2.1/debian/rules ccze-0.2.1/debian/rules
--- ccze-0.2.1/debian/rules
+++ ccze-0.2.1/debian/rules
@@ -8,6 +8,7 @@
CFLAGS ?= -g
BGT := $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
HGT := $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
ifneq (,$(findstring noopt,${DEB_BUILD_OPTIONS}))
CFLAGS += -O0
@@ -81,6 +82,9 @@
## Generate DEBIAN/control
dpkg-gencontrol -isp -p${PACKAGE} -Tdebian/${PACKAGE}.substvars \
-P${PKGDIR}
+## Fix mtimes before building binary packages
+ find ${PKGDIR} -newermt '$(BUILD_DATE)' -print0 | \
+ xargs -0r touch --no-dereference --date='$(BUILD_DATE)'
## Build the binary package
dpkg --build ${PKGDIR} ..
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