63 lines
2.1 KiB
Diff
63 lines
2.1 KiB
Diff
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From 42906a9c5da4c89128ed8ffb619f8ef1fa2d9b93 Mon Sep 17 00:00:00 2001
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From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
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Date: Fri, 27 Jan 2017 13:01:57 +0100
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Subject: [PATCH 1/4] set SOURCE_DATE_EPOCH from changelog
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if requested by macro
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to allow for more reproducible builds of packages.
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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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(cherry picked from commit 0e87aed1785d0531c40b23889f8338744f6abb3a)
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---
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build/build.c | 15 +++++++++++++++
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macros.in | 4 ++++
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2 files changed, 19 insertions(+)
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diff --git a/build/build.c b/build/build.c
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index 04b039c..89b04ce 100644
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--- build/build.c
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+++ build/build.c
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@@ -209,6 +209,21 @@ static rpmRC buildSpec(BTA_t buildArgs, rpmSpec spec, int what)
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int test = (what & RPMBUILD_NOBUILD);
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char *cookie = buildArgs->cookie ? xstrdup(buildArgs->cookie) : NULL;
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+ if (rpmExpandNumeric("%{?source_date_epoch_from_changelog}") &&
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+ getenv("SOURCE_DATE_EPOCH") == NULL) {
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+ /* Use date of first (== latest) changelog entry */
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+ Header h = spec->packages->header;
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+ struct rpmtd_s td;
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+ if (headerGet(h, RPMTAG_CHANGELOGTIME, &td, (HEADERGET_MINMEM|HEADERGET_RAW))) {
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+ char sdestr[22];
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+ snprintf(sdestr, sizeof(sdestr), "%lli",
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+ (long long) rpmtdGetNumber(&td));
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+ rpmlog(RPMLOG_NOTICE, _("setting %s=%s\n"), "SOURCE_DATE_EPOCH", sdestr);
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+ setenv("SOURCE_DATE_EPOCH", sdestr, 0);
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+ rpmtdFreeData(&td);
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+ }
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+ }
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+
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/* XXX TODO: rootDir is only relevant during build, eliminate from spec */
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spec->rootDir = buildArgs->rootdir;
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if (!spec->recursing && spec->BACount) {
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diff --git a/macros.in b/macros.in
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index fd57f2e..85f172a 100644
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--- macros.in
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+++ macros.in
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@@ -210,6 +210,10 @@ package or when debugging this package.\
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# Any older entry is not packaged in binary packages.
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%_changelog_trimtime 0
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+# If true, set the SOURCE_DATE_EPOCH environment variable
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+# to the timestamp of the topmost changelog entry
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+%source_date_epoch_from_changelog 0
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+
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# The directory where newly built binary packages will be written.
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%_rpmdir %{_topdir}/RPMS
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--
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2.10.2
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