Source: cloop Version: 3.14.1.2 Severity: wishlist Tags: patch User: reproducible-builds@lists.alioth.debian.org Usertags: timestamps
Hi! While working on the “reproducible builds” effort [1], we have noticed that cloop could not be built reproducibly. The attached patch tells tar to set the files timestamps to a known value (last debian package changelog date). Once applied, cloop can be built reproducibly in our current experimental framework. [1]: https://wiki.debian.org/ReproducibleBuilds -- Dhole
diff --git a/cloop-3.14.1.2/debian/rules b/cloop-3.14.1.2/debian/rules
index 80a8480..6e33449 100755
--- a/cloop-3.14.1.2/debian/rules
+++ b/cloop-3.14.1.2/debian/rules
@@ -7,6 +7,7 @@ include /usr/share/dpkg/architecture.mk
CFLAGS += -flto
CXXFLAGS += -flto
LDFLAGS += -flto
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field=Date)
XDIR=debian/cloop-src/usr/src/modules/cloop
@@ -28,4 +29,4 @@ override_dh_auto_install:
cp Makefile *.c *.h README ChangeLog $(XDIR)
cd debian && install rules.m-a ../$(XDIR)/debian/rules && cp -r po
compat control* copyright *_KVERS_* README.Debian changelog ../$(XDIR)/debian
dh_fixperms -i -Xrules
- cd debian/cloop-src/usr/src && XZ_OPT=-9 tar --xz -c -f cloop.tar.xz
modules && rm -rf modules
+ cd debian/cloop-src/usr/src && XZ_OPT=-9 tar --xz -c
--mtime="$(BUILD_DATE)" -f cloop.tar.xz modules && rm -rf modules
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