Bug#792977: luakit: please make the build reproducible
Source: luakit
Version: 2012.09.13-r1-4
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 luakit 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 -Nru luakit-2012.09.13-r1/debian/changelog luakit-2012.09.13-r1/debian/changelog
--- luakit-2012.09.13-r1/debian/changelog 2015-05-26 03:46:14.000000000 +0200
+++ luakit-2012.09.13-r1/debian/changelog 2015-07-14 21:45:24.000000000 +0200
@@ -1,3 +1,9 @@
+luakit (2012.09.13-r1-5) UNRELEASED; urgency=medium
+
+ * Fix mtimes before building binary packages to produce reproducible output
+
+ -- akira <marivalenm@gmail.com> Tue, 14 Jul 2015 21:45:01 +0200
+
luakit (2012.09.13-r1-4) unstable; urgency=medium
* Patch from Chris Lamb to make the build reproducible.
diff -Nru luakit-2012.09.13-r1/debian/rules luakit-2012.09.13-r1/debian/rules
--- luakit-2012.09.13-r1/debian/rules 2015-05-26 03:45:48.000000000 +0200
+++ luakit-2012.09.13-r1/debian/rules 2015-07-14 21:43:50.000000000 +0200
@@ -13,6 +13,8 @@
DEB_BUILD_GNU_TYPE = $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_GNU_TYPE = $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
+
STRIP=strip
ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
@@ -81,6 +83,8 @@
chmod a-x debian/$(package)/usr/share/luakit/lib/lousy/*.lua
chown -R root:root debian/$(package)
chmod -R go=rX debian/$(package)
+ find debian/luakit -newermt '$(BUILD_DATE)' -print0 | \
+ xargs -0r touch --no-dereference --date='$(BUILD_DATE)'
dpkg --build debian/$(package) ..
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