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Re: [PATCH v2 28/51] refs.c: rename ref_array -> ref_dir

From
Jeff King <peff@peff.net>
Date
Dec 14, 2011, 02:33 UTC
Message-ID
<20111214023320.GA22141@sigill.intra.peff.net>
In-Reply-To
<7vborct37c.fsf@alter.siamese.dyndns.org>
On Tue, Dec 13, 2011 at 04:19:19PM -0800, Junio C Hamano wrote:
Show 15 quoted lines
> Junio C Hamano <gitster@pobox.com> writes:
> 
> >> Namely, we should figure out what code wants to set extra refs and or
> >> wants to include extra refs in its iteration over references. The
> >> setters don't have to be changed, but the readers should be.
> >
> > You read me correctly. That is exactly what I meant by "extra ref API" in
> > my earlier response.
> 
> Actually, I do not think it even needs to be the "extra *REF* API". The
> only thing that matters is that these commits are considered to be extra
> anchor point in the history, in addition to the usual rule of considering
> that everything reachable from our refs is complete. The data structure to
> hold them does not even have to be a "struct ref". Just an array of object
> names (or "struct object *") should suffice.

Since my cff38a5 (receive-pack: eliminate duplicate .have refs, 2011-05-19), receive-pack simply has a packed array of binary sha1s (in a "struct sha1_array" object). That might be the simplest thing.

-Peff
Previous: Junio C HamanoNext: Michael Haggerty
Message 47 of 79 in “ref-api-C and ref-api-D re-roll”
  1. 00/51 ref-api-C and ref-api-D re-rollmhagger@alum.mit.edu, Dec 12, 2011
  2. 01/51 struct ref_entry: document name membermhagger@alum.mit.edu, Dec 12, 2011
  3. 02/51 refs: rename "refname" variablesmhagger@alum.mit.edu, Dec 12, 2011
  4. Junio C HamanoDec 13, 2011
  5. 03/51 refs: rename parameters result -> sha1mhagger@alum.mit.edu, Dec 12, 2011
  6. 04/51 clear_ref_array(): rename from free_ref_array()mhagger@alum.mit.edu, Dec 12, 2011
  7. 05/51 is_refname_available(): remove the "quiet" argumentmhagger@alum.mit.edu, Dec 12, 2011
  8. 06/51 parse_ref_line(): add docstringmhagger@alum.mit.edu, Dec 12, 2011
  9. 07/51 add_ref(): add docstringmhagger@alum.mit.edu, Dec 12, 2011
  10. 08/51 is_dup_ref(): extract function from sort_ref_array()mhagger@alum.mit.edu, Dec 12, 2011
  11. Jeff KingDec 12, 2011
  12. Michael HaggertyDec 12, 2011
  13. Junio C HamanoDec 12, 2011
  14. Junio C HamanoDec 12, 2011
  15. Michael HaggertyDec 13, 2011
  16. Michael HaggertyDec 13, 2011
  17. 09/51 refs: change signatures of get_packed_refs() and get_loose_refs()mhagger@alum.mit.edu, Dec 12, 2011
  18. 10/51 get_ref_dir(): change signaturemhagger@alum.mit.edu, Dec 12, 2011
  19. 11/51 resolve_gitlink_ref(): improve docstringmhagger@alum.mit.edu, Dec 12, 2011
  20. 12/51 Pass a (ref_cache *) to the resolve_gitlink_*() helper functionsmhagger@alum.mit.edu, Dec 12, 2011
  21. 13/51 resolve_gitlink_ref_recursive(): change to work with struct ref_cachemhagger@alum.mit.edu, Dec 12, 2011
  22. 14/51 repack_without_ref(): remove temporarymhagger@alum.mit.edu, Dec 12, 2011
  23. 15/51 create_ref_entry(): extract function from add_ref()mhagger@alum.mit.edu, Dec 12, 2011
  24. 16/51 add_ref(): take a (struct ref_entry *) parametermhagger@alum.mit.edu, Dec 12, 2011
  25. 17/51 do_for_each_ref(): correctly terminate while processesing extra_refsmhagger@alum.mit.edu, Dec 12, 2011
  26. Junio C HamanoDec 12, 2011
  27. 18/51 do_for_each_ref_in_array(): new functionmhagger@alum.mit.edu, Dec 12, 2011
  28. 19/51 do_for_each_ref_in_arrays(): new functionmhagger@alum.mit.edu, Dec 12, 2011
  29. 20/51 repack_without_ref(): reimplement using do_for_each_ref_in_array()mhagger@alum.mit.edu, Dec 12, 2011
  30. Junio C HamanoDec 12, 2011
  31. 21/51 names_conflict(): new function, extracted from is_refname_available()mhagger@alum.mit.edu, Dec 12, 2011
  32. 22/51 names_conflict(): simplify implementationmhagger@alum.mit.edu, Dec 12, 2011
  33. 23/51 is_refname_available(): reimplement using do_for_each_ref_in_array()mhagger@alum.mit.edu, Dec 12, 2011
  34. 24/51 refs.c: reorder definitions more logicallymhagger@alum.mit.edu, Dec 12, 2011
  35. 25/51 free_ref_entry(): new functionmhagger@alum.mit.edu, Dec 12, 2011
  36. 26/51 check_refname_component(): return 0 for zero-length componentsmhagger@alum.mit.edu, Dec 12, 2011
  37. 27/51 struct ref_entry: nest the value part in a unionmhagger@alum.mit.edu, Dec 12, 2011
  38. 28/51 refs.c: rename ref_array -> ref_dirmhagger@alum.mit.edu, Dec 12, 2011
  39. Junio C HamanoDec 13, 2011
  40. Michael HaggertyDec 13, 2011
  41. Junio C HamanoDec 13, 2011
  42. Michael HaggertyDec 13, 2011
  43. Junio C HamanoDec 13, 2011
  44. Michael HaggertyDec 13, 2011
  45. Junio C HamanoDec 13, 2011
  46. Junio C HamanoDec 14, 2011
  47. Jeff KingDec 14, 2011
  48. Michael HaggertyDec 15, 2011
  49. Jeff KingDec 15, 2011
  50. Michael HaggertyJan 17, 2012
  51. Michael HaggertyFeb 10, 2012
  52. Jeff KingFeb 10, 2012
  53. Junio C HamanoFeb 10, 2012
  54. Michael HaggertyFeb 11, 2012
  55. 29/51 refs: store references hierarchicallymhagger@alum.mit.edu, Dec 12, 2011
  56. 30/51 sort_ref_dir(): do not sort if already sortedmhagger@alum.mit.edu, Dec 12, 2011
  57. Junio C HamanoDec 12, 2011
  58. 31/51 refs: sort ref_dirs lazilymhagger@alum.mit.edu, Dec 12, 2011
  59. 32/51 do_for_each_ref(): only iterate over the subtree that was requestedmhagger@alum.mit.edu, Dec 12, 2011
  60. 33/51 get_ref_dir(): keep track of the current ref_dirmhagger@alum.mit.edu, Dec 12, 2011
  61. 34/51 refs: wrap top-level ref_dirs in ref_entriesmhagger@alum.mit.edu, Dec 12, 2011
  62. 35/51 get_packed_refs(): return (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  63. 36/51 get_loose_refs(): return (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  64. 37/51 is_refname_available(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  65. 38/51 find_ref(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  66. 39/51 read_packed_refs(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  67. 40/51 add_ref(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  68. 41/51 find_containing_direntry(): use (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  69. 42/51 search_ref_dir(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  70. 43/51 add_entry(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  71. 44/51 do_for_each_ref_in_dir*(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  72. 45/51 sort_ref_dir(): take (ref_entry *) instead of (ref_dir *)mhagger@alum.mit.edu, Dec 12, 2011
  73. 46/51 struct ref_dir: store a reference to the enclosing ref_cachemhagger@alum.mit.edu, Dec 12, 2011
  74. 47/51 read_loose_refs(): take a (ref_entry *) as argumentmhagger@alum.mit.edu, Dec 12, 2011
  75. 48/51 refs: read loose references lazilymhagger@alum.mit.edu, Dec 12, 2011
  76. 49/51 is_refname_available(): query only possibly-conflicting referencesmhagger@alum.mit.edu, Dec 12, 2011
  77. 50/51 read_packed_refs(): keep track of the directory being worked inmhagger@alum.mit.edu, Dec 12, 2011
  78. 51/51 repack_without_ref(): call clear_packed_ref_cache()mhagger@alum.mit.edu, Dec 12, 2011
  79. Junio C HamanoDec 12, 2011

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