29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
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commit fb4e70f9be4b37ab40505118553caf5a5b7c7daf
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Author: Bernhard M. Wiedemann <bwiedemann@suse.de>
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Date: Sun Jul 2 11:17:14 2017 +0200
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libutils/man.c: allow to override build time
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in order to enable reproducible builds.
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See https://reproducible-builds.org/ for why this is good
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and https://reproducible-builds.org/specs/source-date-epoch/
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for the definition of this variable.
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diff --git a/libutils/man.c b/libutils/man.c
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index ef2cd1a28..ba46ba895 100644
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--- a/libutils/man.c
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+++ b/libutils/man.c
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@@ -206,6 +206,11 @@ void ManPageWrite(Writer *out, const char *program, time_t last_modified,
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const struct option options[],
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const char *const option_hints[], bool accepts_file_argument)
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{
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+ time_t overridetime;
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+ char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
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+ if (source_date_epoch != NULL &&
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+ (overridetime = (time_t)strtoll(source_date_epoch, NULL, 10)) > 0)
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+ last_modified = overridetime;
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WriteCopyright(out);
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WriteHeader(out, program, last_modified);
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WriteName(out, program, short_description);
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