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[PATCH v3] rev-list: clarify git-log default date format

From
Junio C Hamano <gitster@pobox.com>
Date
Feb 16, 2023, 16:29 UTC
Message-ID
<xmqqzg9dshei.fsf_-_@gitster.g>
In-Reply-To
<xmqqcz6av3ta.fsf_-_@gitster.g>

The documentation mistakenly said that the default format was similar to RFC 2822 format and tried to specify it by enumerating differences, which had two problems:

 * There are some more differences from the 2822 format that are not
   mentioned; worse yet
 * The default format is not modeled after RFC 2822 format at all.
   As can be seen in f80cd783 (date.c: add "show_date()" function.,
   2005-05-06), it is a derivative of ctime(3) format.

Stop saying that it is similar to RFC 2822, and rewrite the description to explain the format without requiring the reader to know any other format.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 * The same text as the previous one; only to correct the lack of
   "--" at the end in v2 that broke the formatting toolchain.
 Documentation/rev-list-options.txt | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index ff68e48406..0d90d5b154 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -1100,12 +1100,12 @@ preferred format.  See the `strftime` manual for a complete list of
 format placeholders. When using `-local`, the correct syntax is
 `--date=format-local:...`.
 
-`--date=default` is the default format, and is similar to
-`--date=rfc2822`, with a few exceptions:
+`--date=default` is the default format, and is based on ctime(3)
+output.  It shows a single line with three-letter day of the week,
+three-letter month, day-of-month, hour-minute-seconds in "HH:MM:SS"
+format, followed by 4-digit year, plus timezone information, unless
+the local time zone is used, e.g. `Thu Jan 1 00:00:00 1970 +0000`.
 --
-	- there is no comma after the day-of-week
-
-	- the time zone is omitted when the local time zone is used
 
 ifdef::git-rev-list[]
 --header::
-- 
2.39.2-501-gd9d677b2d8
Previous: Junio C HamanoNext: Jeff King
Message 12 of 13 in “rev-list: clarify git-log default date format”
  1. rev-list: clarify git-log default date formatRafael Dulfer, Feb 1, 2023
  2. Junio C HamanoFeb 1, 2023
  3. Jeff KingFeb 1, 2023
  4. Ævar Arnfjörð BjarmasonFeb 1, 2023
  5. Junio C HamanoFeb 1, 2023
  6. Rafael DulferFeb 2, 2023
  7. Junio C HamanoFeb 2, 2023
  8. Junio C HamanoFeb 2, 2023
  9. rev-list: clarify git-log default date formatJunio C Hamano, Feb 16, 2023
  10. Jeff KingFeb 16, 2023
  11. Junio C HamanoFeb 16, 2023
  12. rev-list: clarify git-log default date formatJunio C Hamano, Feb 16, 2023
  13. Jeff KingFeb 16, 2023

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