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Re: Cloning empty repositories, was Re: What is the idea for bare repositories?

From
SOSergei Organov <osv@javad.com>
Date
Nov 14, 2007, 12:09 UTC
Message-ID
<87myth58r5.fsf@osv.gnss.ru>
In-Reply-To
<7v4pfr2kmh.fsf@gitster.siamese.dyndns.org>
Junio C Hamano <gitster@pobox.com> writes:
Show 35 quoted lines
> Matthieu Moy <Matthieu.Moy@imag.fr> writes:
>
>> Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
>>
>>>> > On Mon, 12 Nov 2007, Matthieu Moy wrote:
>>>> >
>>>> >> Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
>>>> >> 
>>>> >> > So you need to populate the repository before starting _anyway_.
>>>> >> 
>>>> >> Last time I checked, the thread was talking about bare repository.
>>>
>>> Look at the subject.  "Cloning empty repositories."
>>
>> Look at the content. "cloning a empty bare repository".
>
> But both of Johannes's points apply equally well to an empty
> bare repository and to an empty non bare repository.  IOW,
> bareness does not matter to the suggestion Johannes gave.
>
> But you are acting as if the bareness of the target repository
> makes his point irrelevant.  I am a bit confused.
>
> About his point 1, I'd just stop at saying that "it is not so
> hard" does not mean "we do not have to make it even easier".
>
> His second point is also a real issue.  If you allowed cloning
> an empty repo (either bare or non-bare), then you and Bill can
> both clone from it, come up with an initial commit each.  Bill
> pushes his initial commit first.  Your later attempt to push
> will hopefully fail with "non fast forward", if you know better
> than forcing such a push, but then what?  You need to fetch, and
> merge (or rebase) your change on top of Bill's initial commit,
> and at that point the history you are trying to merge does not
> have any common ancestor with his history.

Just a wild idea. Doesn't it make sense to introduce perfect ultimate common ancestor of the universe, probably calling it "the NULL commit"? At first glance it seems that it can help to avoid corner cases automagically.

-- 
Sergei.
Previous: Matthieu MoyNext: Jakub Narebski
Message 35 of 68 in “What is the idea for bare repositories?”
  1. David KastrupNov 12, 2007
  2. Bruno Cesar RibasNov 12, 2007
  3. Johannes SchindelinNov 12, 2007
  4. Jan WielemakerNov 12, 2007
  5. Cloning empty repositories, was Re: What is the idea for bare repositories?Johannes Schindelin, Nov 12, 2007
  6. Matthieu MoyNov 12, 2007
  7. Johannes SchindelinNov 12, 2007
  8. Bill LearNov 12, 2007
  9. Johannes SchindelinNov 12, 2007
  10. Matthieu MoyNov 12, 2007
  11. Johannes SchindelinNov 12, 2007
  12. Matthieu MoyNov 12, 2007
  13. Johannes SchindelinNov 12, 2007
  14. Matthieu MoyNov 12, 2007
  15. Junio C HamanoNov 12, 2007
  16. Nicolas PitreNov 12, 2007
  17. Johannes SchindelinNov 12, 2007
  18. David KastrupNov 13, 2007
  19. Andreas EricssonNov 13, 2007
  20. Matthieu MoyNov 13, 2007
  21. Shawn O. PearceNov 13, 2007
  22. Matthieu MoyNov 13, 2007
  23. Jeff KingNov 13, 2007
  24. Brian GernhardtNov 13, 2007
  25. Matthieu MoyNov 13, 2007
  26. Johannes SchindelinNov 13, 2007
  27. Matthieu MoyNov 14, 2007
  28. Nicolas PitreNov 13, 2007
  29. Jakub NarebskiNov 13, 2007
  30. Johannes SchindelinNov 13, 2007
  31. Junio C HamanoNov 13, 2007
  32. Matthieu MoyNov 13, 2007
  33. Junio C HamanoNov 14, 2007
  34. Matthieu MoyNov 14, 2007
  35. Sergei OrganovNov 14, 2007
  36. Jakub NarebskiNov 14, 2007
  37. Matthieu MoyNov 14, 2007
  38. Sergei OrganovNov 14, 2007
  39. Junio C HamanoNov 14, 2007
  40. Bill LearNov 14, 2007
  41. Bill LearNov 14, 2007
  42. Wincent ColaiutaNov 14, 2007
  43. Johannes SchindelinNov 14, 2007
  44. Bill LearNov 14, 2007
  45. Johannes SchindelinNov 15, 2007
  46. Andreas EricssonNov 15, 2007
  47. David KastrupNov 15, 2007
  48. Andreas EricssonNov 15, 2007
  49. Johannes SchindelinNov 15, 2007
  50. Jeff KingNov 15, 2007
  51. Jeff KingNov 18, 2007
  52. Junio C HamanoNov 18, 2007
  53. Jeff KingNov 18, 2007
  54. Jan WielemakerNov 12, 2007
  55. Bill LearNov 12, 2007
  56. David KastrupNov 12, 2007
  57. Nicolas PitreNov 12, 2007
  58. Johannes SchindelinNov 12, 2007
  59. Nicolas PitreNov 12, 2007
  60. Andreas EricssonNov 12, 2007
  61. Junio C HamanoNov 12, 2007
  62. Jakub NarebskiNov 12, 2007
  63. Jakub NarebskiNov 12, 2007
  64. David TweedNov 12, 2007
  65. David KastrupNov 12, 2007
  66. Jakub NarebskiNov 12, 2007
  67. David KastrupNov 12, 2007
  68. David KastrupNov 15, 2007

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