[PATCH] util: parsedate: Update to understand 'today' and 'yesterday' (issue 3764)

[Augie Fackler]

On Tue, Jan 22, 2013 at 04:28:04PM -0800, Paul Cavallaro wrote:
> # HG changeset patch
> # User Paul Cavallaro <ptc at fb.com>
> # Date 1358900012 28800
> # Node ID 1ad84126894a6d1127a7098b605df797f9e49c12
> # Parent  1f794204abbd7dd4bc329ae0c7c4fd7ce56b33af
> util: parsedate: Update to understand 'today' and 'yesterday' (issue 3764)
> ***
> Adding support for "today" and "yesterday" to parsedate
>
> Test Plan: Use `./hg log -d today` or another command

Looks like some cruft from a previous round of these and either a
qfold or a histedit?

As Wagner mentioned, this will likely need to wait for after the code
freeze is done.

>
> diff --git a/mercurial/util.py b/mercurial/util.py
> --- a/mercurial/util.py
> +++ b/mercurial/util.py
> @@ -1035,6 +1035,13 @@
>      if not formats:
>          formats = defaultdateformats
>      date = date.strip()
> +
> +    if date == 'today':
> +        date = datetime.date.today().strftime('%b %d')
> +    elif date == 'yesterday':
> +        date = (datetime.date.today() -
> +                datetime.timedelta(days=1)).strftime('%b %d')
> +
>      try:
>          when, offset = map(int, date.split(' '))
>      except ValueError:
> diff --git a/tests/test-parse-date.t b/tests/test-parse-date.t
> --- a/tests/test-parse-date.t
> +++ b/tests/test-parse-date.t
> @@ -234,3 +234,13 @@
>    Sat Apr 15 13:30:00 2006 +0000
>    Wed Feb 01 13:00:30 2006 -0500
>    Wed Feb 01 13:00:30 2006 +0000
> +
> +Test issue 3764 (interpreting 'today' and 'yesterday')
> +  $ echo "hello" >> a
> +  $ hg ci -d "`date +'%b %d'`" -m "today is a good day to code"
> +  $ hg log -d today --template '{desc}\n'
> +  today is a good day to code
> +  $ echo "goodbye" >> a
> +  $ hg ci -d "`date +'%b'` $((`date +'%d'` - 1))" -m "the time traveler's code"

I feel like $(( )) is a bashism (and my brief experiment in dash
suggests my memory isn't totally crazy. Can you do this with some
inline Python (search for >>> in a .t file if you need an example)
instead of the shell tricks?

> +  $ hg log -d yesterday --template '{desc}\n'
> +  the time traveler's code
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