Source: signify Version: 1.14-1 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 signify 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/777062 Cheers, akira [1]: https://wiki.debian.org/ReproducibleBuilds
diff -Nru signify-1.14/debian/changelog signify-1.14/debian/changelog --- signify-1.14/debian/changelog 2004-05-05 14:03:52.000000000 +0200 +++ signify-1.14/debian/changelog 2015-07-26 09:56:44.000000000 +0200 @@ -1,3 +1,10 @@ +signify (1.14-1.1) UNRELEASED; urgency=medium + + * Non-maintainer upload. + * Fix mtimes before building binary packages to produce reproducible output + + -- akira <marival...@gmail.com> Sun, 26 Jul 2015 09:53:45 +0200 + signify (1.14-1) unstable; urgency=low * improved handling of existing signify process diff -Nru signify-1.14/debian/rules signify-1.14/debian/rules --- signify-1.14/debian/rules 2004-01-18 05:56:26.000000000 +0100 +++ signify-1.14/debian/rules 2015-07-26 09:53:43.000000000 +0200 @@ -6,7 +6,7 @@ package := signify - +export SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog --count 1 -SDate)" +%s) default: @echo "What to do?" @@ -52,6 +52,8 @@ chown -R root.root debian/tmp chmod -R go=rX debian/tmp dpkg-gencontrol -is -ip + find debian/tmp -newermt "@$$SOURCE_DATE_EPOCH" -print0 | \ + xargs -0r touch --no-dereference --date="@$$SOURCE_DATE_EPOCH" dpkg --build debian/tmp dpkg-name -o -s .. debian/tmp.deb
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