Source: fakeroot Version: 1.20.2-1 Severity: wishlist Tags: patch User: reproducible-bui...@lists.alioth.debian.org Usertags: timestamps fileordering X-Debbugs-Cc: reproducible-bui...@lists.alioth.debian.org
Hi! While working on the “reproducible builds” effort [1], we have noticed that fakeroot could not be built reproducibly. The attached patch removes build time from the output package by setting the mtime of all files to the time of the last changelog entry. Once applied, fakeroot can be built reproducibly in our current experimental framework. [1]: https://wiki.debian.org/ReproducibleBuilds Regards, Val
diff -ru fakeroot-1.20.2.old/debian/rules fakeroot-1.20.2/debian/rules --- fakeroot-1.20.2.old/debian/rules 2014-10-05 15:16:07.000000000 +0000 +++ fakeroot-1.20.2/debian/rules 2015-08-17 13:26:00.484760799 +0000 @@ -1,5 +1,6 @@ #!/usr/bin/make -f +BUILD_DATE = $(shell dpkg-parsechangelog -SDate) DEB_BUILD_GNU_TYPE = $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE) DEB_HOST_GNU_TYPE = $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE) ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE)) @@ -150,6 +151,7 @@ chown root:root debian/fakeroot/DEBIAN/control debian/libfakeroot/DEBIAN/control cd debian/fakeroot && find * -type f ! -regex '^DEBIAN/.*' -print0 | xargs -r0 md5sum > DEBIAN/md5sums cd debian/libfakeroot && find * -type f ! -regex '^DEBIAN/.*' -print0 | xargs -r0 md5sum > DEBIAN/md5sums + find debian/ -depth -newermt '$(BUILD_DATE)' -print0 | xargs -0r touch --no-dereference --date='$(BUILD_DATE)' dpkg-deb --build debian/fakeroot .. dpkg-deb --build debian/libfakeroot ..
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