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From: Maximilian Engelhardt <maxi@daemonizer.de>
To: xen-devel@lists.xenproject.org
Cc: Maximilian Engelhardt <maxi@daemonizer.de>,
	Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>,
	Jan Beulich <jbeulich@suse.com>
Subject: [XEN PATCH v1 1/1] docs: set date to SOURCE_DATE_EPOCH if available
Date: Sat, 13 Feb 2021 15:48:25 +0100	[thread overview]
Message-ID: <b607a676b98320977a6c592079569a3c01e46781.1613227389.git.maxi@daemonizer.de> (raw)
In-Reply-To: <cover.1613227389.git.maxi@daemonizer.de>

Use the solution described in [1] to replace the call to the 'date'
command with a version that uses SOURCE_DATE_EPOCH if available. This
is needed for reproducible builds.

[1] https://reproducible-builds.org/docs/source-date-epoch/

Signed-off-by: Maximilian Engelhardt <maxi@daemonizer.de>
---
 docs/Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/Makefile b/docs/Makefile
index 8de1efb6f5..ac6792ff7c 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -3,7 +3,13 @@ include $(XEN_ROOT)/Config.mk
 -include $(XEN_ROOT)/config/Docs.mk
 
 VERSION		:= $(shell $(MAKE) -C $(XEN_ROOT)/xen --no-print-directory xenversion)
-DATE		:= $(shell date +%Y-%m-%d)
+
+DATE_FMT	:= +%Y-%m-%d
+ifdef SOURCE_DATE_EPOCH
+DATE		:= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "$(DATE_FMT)" 2>/dev/null || date -u "$(DATE_FMT)")
+else
+DATE		:= $(shell date "$(DATE_FMT)")
+endif
 
 DOC_ARCHES      := arm x86_32 x86_64
 MAN_SECTIONS    := 1 5 7 8
-- 
2.20.1



      reply	other threads:[~2021-02-13 14:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-13 14:48 [RESEND] [XEN PATCH v1 0/1] Use reproducible date in docs Maximilian Engelhardt
2021-02-13 14:48 ` Maximilian Engelhardt [this message]

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