Source: docbook-utils Version: 0.6.14-3 Severity: wishlist Tags: patch User: reproducible-builds@lists.alioth.debian.org Usertags: toolchain timestamps locale X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org
Hi! While working on the "reproducible builds" effort [1], we have noticed that docbook-utils doesn't generate reproducible manpages. The embedded timestamp is using the build date and also varies depending on the configured locale. The attached patch adds support for the SOURCE_DATE_EPOCH environment variable [2] and uses the C locale for the human-readable month (which also fixes #214982). Regards, Reiner [1]: https://wiki.debian.org/ReproducibleBuilds [2]: https://reproducible-builds.org/specs/source-date-epoch/
diff --git a/debian/patches/series b/debian/patches/series index 6e5630a..795b9d1 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -4,3 +4,4 @@ bug_212088.patch bug_214982.patch bug_394511.patch bug_528334.patch +support_source_date_epoch.patch diff --git a/debian/patches/support_source_date_epoch.patch b/debian/patches/support_source_date_epoch.patch new file mode 100644 index 0000000..ce5559c --- /dev/null +++ b/debian/patches/support_source_date_epoch.patch @@ -0,0 +1,29 @@ +Author: Reiner Herrmann <rei...@reiner-h.de> +Description: Support SOURCE_DATE_EPOCH for timestamps + To allow generating documents in a reproducible way, + allow overriding the timestamp through the environment. + . + See also: https://reproducible-builds.org/specs/source-date-epoch/ + +Index: docbook-utils-0.6.14/helpers/docbook2man-spec.pl +=================================================================== +--- docbook-utils-0.6.14.orig/helpers/docbook2man-spec.pl ++++ docbook-utils-0.6.14/helpers/docbook2man-spec.pl +@@ -57,6 +57,7 @@ Software Foundation, 675 Mass Ave, Cambr + use SGMLS; # Use the SGMLS package. + use SGMLS::Output; # Use stack-based output. + use SGMLS::Refs; ++use POSIX qw(strftime setlocale LC_TIME); + + ######################################################################## + # SGMLSPL script produced automatically by the script sgmlspl.pl +@@ -278,7 +279,8 @@ sgml('</REFMETA>', sub { + .\\" etc. to Steve Cheng <steve\@ggi-project.org>. + _END_BANNER + +- my $date = `date "+%d %B %Y"`; ++ setlocale(LC_TIME, "C"); ++ my $date = strftime("%d %B %Y", gmtime($ENV{SOURCE_DATE_EPOCH} || time)); + my $manpage_date = $manpage_date || $date ; + + output '.TH "';
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