projects/guix·blob javascript-team · refs

31 lines · 1.1 KiB

1# Source: <https://sources.debian.org/patches/docbook-utils/0.6.14-4/support_source_date_epoch.patch/>
2
3Author: Reiner Herrmann <[email protected]>
4Description: Support SOURCE_DATE_EPOCH for timestamps
5 To allow generating documents in a reproducible way,
6 allow overriding the timestamp through the environment.
7 .
8 See also: https://reproducible-builds.org/specs/source-date-epoch/
9Bug-Debian: https://bugs.debian.org/800797
10
11--- a/helpers/docbook2man-spec.pl
12+++ b/helpers/docbook2man-spec.pl
13@@ -57,6 +57,7 @@
14 use SGMLS; # Use the SGMLS package.
15 use SGMLS::Output; # Use stack-based output.
16 use SGMLS::Refs;
17+use POSIX qw(strftime setlocale LC_TIME);
18
19 ########################################################################
20 # SGMLSPL script produced automatically by the script sgmlspl.pl
21@@ -279,6 +280,10 @@
22 _END_BANNER
23
24 my $date = `date "+%d %B %Y"`;
25+ if ($ENV{SOURCE_DATE_EPOCH}) {
26+ setlocale(LC_TIME, "C");
27+ $date = strftime("%d %B %Y", gmtime($ENV{SOURCE_DATE_EPOCH} || time));
28+ }
29 my $manpage_date = $manpage_date || $date ;
30
31 output '.TH "';