[merge] More helpful errors when missing a dependency

[John Arbash Meinel]

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Martin Pool wrote:
> On  7 Jul 2006, John Arbash Meinel <john at arbash-meinel.com> wrote:
>> In response to this bug:
>> https://launchpad.net/products/bzr/+bug/47821
>> or this one
>> https://launchpad.net/products/bzr/+bug/52204

...

> 
> +1, please merge it, and please add a NEWS entry including the bug
> numbers.
> 
> (Is it really worthwhile?  I guess it's strictly redundant when the
> source is version controlled, but I do fairly often look at them in
> installed software, so I think it's worth keeping it up.)
> 

I try to also commit something to the pqm with the bug number, which
makes it easy to grep through the log messages. I also think most of us
have forgotten you can do:

  bzr log -m 47821

where the --message parameter is a regex that matches the commit
messages. I added that a long time ago, but I know I rarely use it.

So one interesting way to use it is:

  bzr log -r -1000.. -m '\d{4,}'

Which gives you all of the commits (in the last 1000) that claim to
close a bug. (assuming we don't have any bug numbers < 1000).

Unfortunately, it also gives you some of my commits, where I have taken
up the habit of including the revno that I merge.

Anyway, I updated NEWS, and submitted a request to the pqm.

John
=:->
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