diff always shows timestamps in utc

[Wim]

The text used to print time is inconsistent in bzr log and bzr diff:

# bzr log tools/fish/cli_flags.c
------------------------------------------------------------
revno: 2
committer: Wim Yedema <***>
branch nick: X
timestamp: Thu 2009-11-05 14:06:47 +0100
message:
  X
------------------------------------------------------------
revno: 1
committer: Wim Yedema <***>
branch nick: Y
timestamp: Wed 2009-11-04 17:30:59 +0100
message:
  Y
# bzr diff -r1..2 tools/fish/cli_flags.c
=== modified file 'tools/fish/cli_flags.c'
--- tools/fish/cli_flags.c 2009-11-04 16:30:59 +0000
+++ tools/fish/cli_flags.c 2009-11-05 13:06:47 +0000

The time stamp for log has +0100 but for diff it has +0000

[John A Meinel (jameinel)]

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Wim wrote:
> Public bug reported:
>
> The text used to print time is inconsistent in bzr log and bzr diff:
>
> # bzr log tools/fish/cli_flags.c
> ------------------------------------------------------------
> revno: 2
> committer: Wim Yedema <***>
> branch nick: X
> timestamp: Thu 2009-11-05 14:06:47 +0100
> message:
> X
> ------------------------------------------------------------
> revno: 1
> committer: Wim Yedema <***>
> branch nick: Y
> timestamp: Wed 2009-11-04 17:30:59 +0100
> message:
> Y
> # bzr diff -r1..2 tools/fish/cli_flags.c
> === modified file 'tools/fish/cli_flags.c'
> --- tools/fish/cli_flags.c 2009-11-04 16:30:59 +0000
> +++ tools/fish/cli_flags.c 2009-11-05 13:06:47 +0000
>
>
> The time stamp for log has +0100 but for diff it has +0000
>

well, the times are the same, the former giving you 17:30:59 +0100 and
the latter giving you 16:30:59 +0000. Which is the same 'world' time. I
wonder if diff always gives UTC times, which is why they are +0000. From
all of my quick tests that is what I see (bzr diff always reports UTC time).

It may even be required for programs that have expectations on the
format string?

John
=:->

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[Martin Pool (mbp)]

It's true that diff seems to always use utc. I don't know of any specific good reason for it to do that.