From d1a446687a9c1072c254beffceda1c4d724035bc Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Thu, 27 Aug 2020 09:37:25 -0700
Subject: xparsedate: support default date(1) output format.

This round trip occurs in practice with $KBUILD_BUILD_TIMESTAMP in
kernel builds.
---
 lib/xwrap.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib')

diff --git a/lib/xwrap.c b/lib/xwrap.c
index 1bc929f1..cf7fc42a 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -967,6 +967,7 @@ void xparsedate(char *str, time_t *t, unsigned *nano, int endian)
   // Formats with seconds come first. Posix can't agree on whether 12 digits
   // has year before (touch -t) or year after (date), so support both.
   char *s = str, *p, *oldtz = 0, *formats[] = {"%Y-%m-%d %T", "%Y-%m-%dT%T",
+    "%a %b %e %H:%M:%S %Z %Y", // date(1) output format in POSIX/C locale.
     "%H:%M:%S", "%Y-%m-%d %H:%M", "%Y-%m-%d", "%H:%M", "%m%d%H%M",
     endian ? "%m%d%H%M%y" : "%y%m%d%H%M",
     endian ? "%m%d%H%M%C%y" : "%C%y%m%d%H%M"};
-- 
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