how to get UTC timestamp for commit?

[Matt Mackall]

On Wed, 2015-08-19 at 20:40 +0900, Yuya Nishihara wrote:
> On Tue, 18 Aug 2015 23:32:03 +0100, Christian Ebert wrote:
> > * Matt Mackall on Tuesday, August 18, 2015 at 16:57:05 -0500
> > > On Tue, 2015-08-18 at 22:33 +0100, Christian Ebert wrote:
> > >> * Matt Mackall on Tuesday, August 18, 2015 at 12:40:30 -0500
> > >>> On Tue, 2015-08-18 at 03:32 +0100, Christian Ebert wrote:
> > >>>> The keyword extension provides an utcdate filter:
> > >>>> 
> > >>>> $ hg --config extensions.keyword= log -l1 --template '{date|utcdate}\n'
> > >>>> 2015/08/16 18:24:30
> > >>>> 
> > >>>> The code looks like this:
> > >>>> # date like in cvs' $Date
> > >>>> def utcdate(text):
> > >>>>   ''':utcdate: Date. Returns a UTC-date in this format: "2009/08/18 11:00:13".
> > >>>>   '''
> > >>>>   return util.datestr((util.parsedate(text)[0], 0), '%Y/%m/%d %H:%M:%S')
> > >>>> 
> > >>>> 
> > >>>> Maybe that helps.
> > >>> 
> > >>> That's a silly place for it?
> > >> 
> > >> I offered to make this available in core, but it wasn't deemed
> > >> necessary. Maybe because of the '%Y/%m/%d %H:%M:%S' format, I
> > >> don't know.
> > > 
> > > Ahh, right. What's really wanted is an analog to localdate: don't format
> > > the date, just change the timezone. IOW:
> > > 
> > > def utcdate(date):
> > >    return (date[0], 0)
> > > 
> > > But now we have a name collision.
> > 
> > I know. But core should have priority. Maybe there's a pragmatic
> > way to deal with a bit of BC breakage. One could argue that no
> > crucial data breaks ...
> 
> What about localdate(date[, utcoffset]) ?
> 
>   {date|localdate}      # local timezone
>   {localdate(date, 0)}  # utc

Pretty reasonable. Will want an example in the help.

-- 
Mathematics is the supreme nostalgia of our time.