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Re: [PATCH] git-gui: give more advice when detaching HEAD

From
Jeff King <peff@peff.net>
Date
Feb 12, 2011, 08:21 UTC
Message-ID
<20110212082108.GA19656@sigill.intra.peff.net>
In-Reply-To
<7vzkq1y8dv.fsf@alter.siamese.dyndns.org>
On Sat, Feb 12, 2011 at 12:17:16AM -0800, Junio C Hamano wrote:
Show 6 quoted lines
> Jeff King <peff@peff.net> writes:
> 
> > Is it that cheap? A full reachability check for something that is not in
> > any ref would involve going to the roots, wouldn't it?
> 
> You only need to dig until you hit a merge base, no?

Hmm, yeah, you're right. In the worst case of reachability checks, you would share no ancestry and go to the roots searching for the merge base, but of course that is very unlikely to be the case here. So it should be much cheaper.

> And merge-base has an interface to compute exactly that, I think.
Want to do a proof-of-concept patch? Then we can get some real timings.
-Peff
Previous: Junio C HamanoNext: Junio C Hamano
Message 5 of 19 in “git-gui: give more advice when detaching HEAD”
  1. git-gui: give more advice when detaching HEADJeff King, Feb 12, 2011
  2. Junio C HamanoFeb 12, 2011
  3. Jeff KingFeb 12, 2011
  4. Junio C HamanoFeb 12, 2011
  5. Jeff KingFeb 12, 2011
  6. Junio C HamanoFeb 17, 2011
  7. Junio C HamanoFeb 12, 2011
  8. Sverre RabbelierFeb 13, 2011
  9. Johannes SixtFeb 13, 2011
  10. Junio C HamanoFeb 13, 2011
  11. Heiko VoigtFeb 13, 2011
  12. Jeff KingFeb 15, 2011
  13. Heiko VoigtFeb 15, 2011
  14. Pat ThoytsFeb 15, 2011
  15. Jeff KingFeb 16, 2011
  16. Heiko VoigtFeb 17, 2011
  17. Jeff KingFeb 16, 2011
  18. Heiko VoigtFeb 17, 2011
  19. Victor EngmarkFeb 16, 2011

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