Source: openclonk Version: 7.0-3 Severity: wishlist Tags: patch upstream User: reproducible-builds@lists.alioth.debian.org Usertags: timestamps X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org
Dear Maintainer, While working on the `reproducible builds' effort [1], we have noticed that 'openclonk' could not be built reproducibly. The attached patch honours the SOURCE_DATE_EPOCH environment variable [2] to get a reproducible copyright year from the last debian changelog entry. Once applied, openclonk can be built reproducibly in our current experimental framework. Regards, Alexis Bienvenüe. [1]: https://wiki.debian.org/ReproducibleBuilds [2]: https://reproducible-builds.org/specs/source-date-epoch/
diff -Nru openclonk-7.0/debian/changelog openclonk-7.0/debian/changelog --- openclonk-7.0/debian/changelog 2016-02-14 12:26:56.000000000 +0100 +++ openclonk-7.0/debian/changelog 2016-05-04 11:15:38.000000000 +0200 @@ -1,3 +1,9 @@ +openclonk (7.0-3.0~reproducible1) UNRELEASED; urgency=medium + + * Honour SOURCE_DATE_EPOCH for the copyright year. + + -- Alexis Bienvenüe <p...@passoire.fr> Wed, 04 May 2016 11:15:38 +0200 + openclonk (7.0-3) unstable; urgency=medium * Ship Music.ocg's content unpacked. diff -Nru openclonk-7.0/debian/patches/honour_SOURCE_DATE_EPOCH.patch openclonk-7.0/debian/patches/honour_SOURCE_DATE_EPOCH.patch --- openclonk-7.0/debian/patches/honour_SOURCE_DATE_EPOCH.patch 1970-01-01 01:00:00.000000000 +0100 +++ openclonk-7.0/debian/patches/honour_SOURCE_DATE_EPOCH.patch 2016-05-04 11:14:54.000000000 +0200 @@ -0,0 +1,24 @@ +Description: Honour SOURCE_DATE_EPOCH + Honour the SOURCE_DATE_EPOCH environment variable to get the copyright year, + to make the build reproducible. + See https://reproducible-builds.org/specs/source-date-epoch/ +Author: Alexis Bienvenüe <p...@passoire.fr> + +--- openclonk-7.0.orig/cmake/Version.cmake ++++ openclonk-7.0/cmake/Version.cmake +@@ -24,7 +24,14 @@ git_get_changeset_id(C4REVISION) + ############################################################################ + + IF(CMAKE_HOST_UNIX) +- EXECUTE_PROCESS(COMMAND "date" "+%Y" OUTPUT_VARIABLE DATE) ++if (DEFINED ENV{SOURCE_DATE_EPOCH}) ++ EXECUTE_PROCESS( ++ COMMAND "date" "-u" "-d" "@$ENV{SOURCE_DATE_EPOCH}" "+%Y" ++ OUTPUT_VARIABLE DATE ++ OUTPUT_STRIP_TRAILING_WHITESPACE) ++else () ++ EXECUTE_PROCESS(COMMAND "date" "+%Y" OUTPUT_VARIABLE DATE) ++endif () + ELSEIF(CMAKE_HOST_WIN32) + EXECUTE_PROCESS(COMMAND "cscript.exe" "//nologo" "${CMAKE_CURRENT_SOURCE_DIR}/tools/get_current_year.vbs" OUTPUT_VARIABLE DATE) + ENDIF() diff -Nru openclonk-7.0/debian/patches/series openclonk-7.0/debian/patches/series --- openclonk-7.0/debian/patches/series 2016-02-14 12:26:08.000000000 +0100 +++ openclonk-7.0/debian/patches/series 2016-05-04 11:13:40.000000000 +0200 @@ -1 +1,2 @@ do-not-pack-music-ocg.patch +honour_SOURCE_DATE_EPOCH.patch
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