File Make-keycode-gen-output-reproducible-use.patch of Package qemu

From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Mon, 5 Aug 2019 20:03:11 +0000
Subject: Make keycode-gen output reproducible (use SOURCE_DATE_EPOCH
 timestamp)

Signed-off-by: Bruce Rogers <brogers@suse.com
---
 tools/keymap-gen | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ui/keycodemapdb/tools/keymap-gen b/ui/keycodemapdb/tools/keymap-gen
index f0269e3cabf57881bb41e2333143..a374eb255fb3c55b65b475e86461 100755
--- a/ui/keycodemapdb/tools/keymap-gen
+++ b/ui/keycodemapdb/tools/keymap-gen
@@ -20,6 +20,7 @@ except:
     sys.path.append(os.path.join(os.path.dirname(__file__), "../thirdparty"))
     import argparse
 import hashlib
+import os
 import time
 import sys
 
@@ -317,7 +318,11 @@ class LanguageGenerator(object):
         raise NotImplementedError()
 
     def generate_header(self, database, args):
-        today = time.strftime("%Y-%m-%d %H:%M")
+        sde = os.getenv("SOURCE_DATE_EPOCH")
+        if sde:
+            today = time.strftime("%Y-%m-%d %H:%M", time.gmtime(int(sde)))
+        else:
+            today = time.strftime("%Y-%m-%d %H:%M")
         self._boilerplate([
             "This file is auto-generated from keymaps.csv on %s" % today,
             "Database checksum sha256(%s)" % database.mapchecksum,