Re: released dates

[Xue Fuqiao <xfq.free@gmail.com>]

On Thu, Jul 18, 2013 at 7:42 AM, Katsumi Yamaoka <yamaoka@jpl.org> wrote:
> Eli Zaretskii wrote:
>>> Date: Wed, 17 Jul 2013 14:31:59 +0900
>>> From: Katsumi Yamaoka <yamaoka@jpl.org>
>>> Cc: Xue Fuqiao <xfq.free@gmail.com>, emacs-devel@gnu.org
>>>
>>> Xue Fuqiao wrote:
>>>> You can use `-rtag:' in bzr:
>>>>   $ bzr log -rtag:emacs-24.2
>>>
>>> Thanks.  It is helpful.
>>>
>>>|revno: 107781.1.340
>>>|tags: emacs-24.2
>>>|committer: Chong Yidong <cyd@gnu.org>
>>>|branch nick: emacs-24
>>>|timestamp: Fri 2012-08-24 17:53:39 +0800
>>>                 ^^^^^^^^^^
>>>|message:
>>>|  Update release logs
>>>
>>> But, er, I realized what I really needs is not Emacs' release dates.
>>> For example, the change made for `gnus-shr-put-image' is not in
>>> Emacs 24.2 even if the ChangeLog in the trunk says as follows:
>>>
>>> 2012-02-01  Lars Ingebrigtsen  <larsi@gnus.org>
>>> ^^^^^^^^^^
>>>  * gnus-art.el (gnus-shr-put-image): Take and pass on a `flags'
>>>  parameter to allow controlling the scaling.
>
>> You probably want to run "bzr annotate" on (in this case) gnus-art.el
>> in the Emacs repository, find the bzr revision where that change was
>> made, and then compare that revision with what "bzr log -rtag:" shows.
>
> I tried "bzr annotate" for the first time.  I felt it will be more
> useful than looking for a log message and a revno in the output of
> "bzr log" (and then comparing revno-1..revno).  I have two local
> copies of Emacs, emacs/trunk and emacs/emacs-24; I verified "bzr
> annotate" done in emacs/emacs-24 shows helpful informations, too.

Or the vc-annotate command.  It creates an annotate buffer displaying
the file's text, with each line tagged with the revision number, which
has a `help-echo' property containing author and date information.  You
can browse the annotations of past revisions, view diffs or log entries.

See (info "(emacs) Old Revisions").

--
Best regards, Xue Fuqiao.
http://www.gnu.org/software/emacs/