Source: gmerlin Severity: normal Tags: patch User: reproducible-bui...@lists.alioth.debian.org Usertags: timestamps X-Debbugs-Cc: reproducible-b...@lists.alioth.debian.org
The build timestamp is embedded in manpages: ./usr/share/man/man1/mdb-tool.1.gz -.TH MDB-TOOL 1 "February 2022" Gmerlin "User Manuals" vs. +.TH MDB-TOOL 1 "November 2022" Gmerlin "User Manuals" The attached patch fixes this by respecting the SOURCE_DATE_EPOCH environment variable in the manpage generation code in lib/cmdline.c. With this patch applied, gmerlin should build reproducibly on tests.reproducible-builds.org! Thanks for maintaining gmerlin! live well, vagrant
From d532ebe90243f9390b0b1e49f1d4918f173238a6 Mon Sep 17 00:00:00 2001 From: Vagrant Cascadian <vagr...@reproducible-builds.org> Date: Tue, 22 Feb 2022 03:25:25 +0000 Subject: [PATCH] lib/cmdline.c: Use deterministic timestamp when generating manpages. Use the SOURCE_DATE_EPOCH environment variable if available, and use numeric date to avoid embedding locale-dependent month names. https://reproducible-builds.org/docs/source-date-epoch/ --- lib/cmdline.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/lib/cmdline.c b/lib/cmdline.c index 4b4d2f6..049e905 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -441,9 +441,13 @@ void bg_cmdline_print_help(char * argv0, bg_help_format_t format) char ** args; char * string_uc; - time(&t); - localtime_r(&t, &brokentime); - strftime(date_str, 511, "%B %Y", &brokentime); + char *source_date_epoch; + /* This assumes that the SOURCE_DATE_EPOCH environment variable will contain + a correct, positive integer in the time_t range */ + if ((source_date_epoch = getenv("SOURCE_DATE_EPOCH")) == NULL || + (t = (time_t)strtoll(source_date_epoch, NULL, 10)) <= 0) + time(&t); + strftime(date_str, 511, "%F", gmtime(&t)); string_uc = bg_toupper(bg_app_get_name()); -- 2.35.1
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