No patches selected

I don't understand what's going on here.  Is this a bug?

    > darcs changes FEATUREFILES/features_event.xip
    Changes to FEATUREFILES/features_event.xip:

    Wed Dec 13 11:03:42 CET 2006  sandor
      * [project  2006-12-13 10:02:05 by sandor]
    > darcs unpull -p 'project  2006-12-13 10:02:05 by
sandor'
    No patches selected!

I should mention that I'm still running darcs 1.0.8, because
I can't
find a statically compiled 1.0.9 anywhere.  Any pointers for
that, or do
I have to bite the bullet and install ghc?

Thanks
-Aaron
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On Thu, Aug 16, 2007 at 01:19:42PM +0200, Aaron Kaplan
wrote:
> I don't understand what's going on here.  Is this a
bug?
> 
>     > darcs changes FEATUREFILES/features_event.xip
>     Changes to FEATUREFILES/features_event.xip:
> 
>     Wed Dec 13 11:03:42 CET 2006  sandor
>       * [project  2006-12-13 10:02:05 by sandor]
>     > darcs unpull -p 'project 
2006-12-13 10:02:05 by sandor'
>     No patches selected!

There is likely a breakpoint after the patch, and it's sort
of a
bug that darcs doesn't explain that.

Darcs should say something like:

  No patches selected!
  Stopped looking at tag <foo>.

Darcs stops looking at the first breakpoint for efficiency
reasons. Breakpoints are created at tags when you run
Optimize.
If you say 'darcs unpull --from-tag <bar> -p
<name>' darcs will
instead look at all patches between <bar> and the end
of the
inventory. Or perhaps simpler 'darcs unpull --from-patch
<name>
-p <name>'.


-- 
Tommy Pettersson <ptplysator.liu.se>
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On Thu, 16 Aug 2007 19:15:20 +0200, "Tommy
Pettersson"
<ptplysator.liu.se> said:

> Darcs stops looking at the first breakpoint for
efficiency
> reasons. Breakpoints are created at tags when you run
Optimize.
> If you say 'darcs unpull --from-tag <bar> -p
<name>' darcs will
> instead look at all patches between <bar> and the
end of the
> inventory. Or perhaps simpler 'darcs unpull
--from-patch <name>
> -p <name>'.

Thanks, that did it.  I agree that a more informative
message would be
preferable.  Also it seems a little silly to have to provide
the same
patch name twice--couldn't there just be a --force option?

-Aaron
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On Fri, Aug 17, 2007 at 11:03:36AM +0200, Aaron Kaplan
wrote:
> On Thu, 16 Aug 2007 19:15:20 +0200, "Tommy
Pettersson"
> <ptplysator.liu.se> said:
> > If you say 'darcs unpull --from-tag <bar> -p
<name>' darcs will
> > instead look at all patches between <bar>
and the end of the
> > inventory. Or perhaps simpler 'darcs unpull
--from-patch <name>
> > -p <name>'.
> 
> Thanks, that did it.  I agree that a more informative
message would be
> preferable.  Also it seems a little silly to have to
provide the same
> patch name twice--couldn't there just be a --force
option?

It looks a little silly when it's just one patch. But the
--patch option to Unpull matches all patches in the
(implicit or
explicit) range, wheres the --from-patch option cuts the
range
at the latest match in the inventory. For example

  darcs unpull -p debug --from-patch debug

will unpull all patches with 'debug' in their name after
(inclusive) the latest patch with 'debug' in its name (i.e.
only
the latest debug patch). With other uses of --from-patch,
--from-tag or --from-match (and their --to variants), a
more
interesting selection of the inventory to remove debug
patches
from can be chosen.


-- 
Tommy Pettersson <ptplysator.liu.se>
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On Thu, Aug 16, 2007 at 01:19:42PM +0200, Aaron Kaplan
wrote:
> I should mention that I'm still running darcs 1.0.8,
because I can't
> find a statically compiled 1.0.9 anywhere.  Any
pointers for that, or do
> I have to bite the bullet and install ghc?

I guess it might depend what operating system you're using?
-- 
David Roundy
http://www.darcs.net
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On Mon, 20 Aug 2007 10:46:01 -0400, "David
Roundy"
<daveroundygmail.com> said:
> On Thu, Aug 16, 2007 at 01:19:42PM +0200, Aaron Kaplan
wrote:
> > I should mention that I'm still running darcs
1.0.8, because I can't
> > find a statically compiled 1.0.9 anywhere.  Any
pointers for that, or do
> > I have to bite the bullet and install ghc?
> 
> I guess it might depend what operating system you're
using?

I've since installed ghc.  It wasn't such a big deal after
all.  But
anyway, the answer is linux, and last time I looked the most
recent
linux binary linked to from the wiki was version 1.0.7.

-Aaron
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