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Re: [PATCH 2/6] builtin/receive-pack: pass shallow file explicitly

From
Patrick Steinhardt <ps@pks.im>
Date
Aug 7, 2026, 07:03 UTC
Message-ID
<anWDRVA0mSQva2QX@pks.im>
In-Reply-To
<20260806213859.816157-3-jltobler@gmail.com>
On Thu, Aug 06, 2026 at 04:38:55PM -0500, Justin Tobler wrote:
Show 12 quoted lines
> diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
> index 420de9aa7f..6da854fca2 100644
> --- a/builtin/receive-pack.c
> +++ b/builtin/receive-pack.c
> @@ -86,7 +86,6 @@ static const char *head_name;
>  static void *head_name_to_free;
>  static int sent_capabilities;
>  static int shallow_update;
> -static const char *alt_shallow_file;
>  static struct strbuf push_cert = STRBUF_INIT;
>  static struct object_id push_cert_oid;
>  static struct signature_check sigcheck;
I always like seeing less global state.
Show 13 quoted lines
> @@ -2354,10 +2353,9 @@ static const char *unpack(int err_fd, struct shallow_info *si,
>  		return hdr_err;
>  	}
>  
> -	if (si->nr_ours || si->nr_theirs) {
> -		alt_shallow_file = setup_temporary_shallow(si->shallow);
> +	if (shallow_file) {
>  		strvec_push(&child.args, "--shallow-file");
> -		strvec_push(&child.args, alt_shallow_file);
> +		strvec_push(&child.args, shallow_file);
>  	}
>  
>  	odb_transaction_env(transaction, &child.env);
Okay, so instead of creating the shallow file here, ...
Show 18 quoted lines
> @@ -2705,11 +2705,17 @@ int cmd_receive_pack(int argc,
>  		if (!si.nr_ours && !si.nr_theirs)
>  			shallow_update = 0;
>  		if (!delete_only(commands)) {
> +			const char *alt_shallow_file = NULL;
> +
> +			if (si.nr_ours || si.nr_theirs)
> +				alt_shallow_file = setup_temporary_shallow(si.shallow);
> +
>  			if (odb_transaction_begin(the_repository->objects, &transaction, ODB_TRANSACTION_RECEIVE))
>  				unpack_status = "unable to start object transaction";
>  			else
> -				unpack_status = unpack_with_sideband(&si, transaction);
> -			update_shallow_info(commands, &si, &ref);
> +				unpack_status = unpack_with_sideband(transaction, alt_shallow_file);
> +
> +			update_shallow_info(commands, &si, &ref, alt_shallow_file);
>  		}

... we create it in a transitive caller and then pass it down the stack. Makes sense.

It's nice that we don't have to pass the shallow information at all anymore as a consequence.

Patrick
Previous: Justin ToblerNext: Justin Tobler
Message 6 of 80 in “builtin/receive-pack: support pluggable packfile writes”
  1. 0/6 builtin/receive-pack: support pluggable packfile writesJustin Tobler, Aug 6, 2026
  2. 1/6 odb/transaction: add transaction release interfaceJustin Tobler, Aug 6, 2026
  3. Patrick SteinhardtAug 7, 2026
  4. Justin ToblerAug 7, 2026
  5. 2/6 builtin/receive-pack: pass shallow file explicitlyJustin Tobler, Aug 6, 2026
  6. Patrick SteinhardtAug 7, 2026
  7. 4/6 builtin/receive-pack: report unpack errors via strbufJustin Tobler, Aug 6, 2026
  8. Patrick SteinhardtAug 7, 2026
  9. Justin ToblerAug 7, 2026
  10. Justin ToblerAug 9, 2026
  11. Patrick SteinhardtAug 10, 2026
  12. 3/6 builtin/receive-pack: lift global state out of unpack()Justin Tobler, Aug 6, 2026
  13. Patrick SteinhardtAug 7, 2026
  14. Justin ToblerAug 7, 2026
  15. 5/6 builtin/receive-pack: explicitly pass packfile fdJustin Tobler, Aug 6, 2026
  16. 6/6 odb/transaction: add transaction interface to write packfilesJustin Tobler, Aug 6, 2026
  17. Patrick SteinhardtAug 7, 2026
  18. Justin ToblerAug 7, 2026
  19. 0/7 builtin/receive-pack: support pluggable packfile writesJustin Tobler, Aug 9, 2026
  20. 1/7 odb/transaction: add transaction finalize interfaceJustin Tobler, Aug 9, 2026
  21. Junio C HamanoAug 10, 2026
  22. Justin ToblerAug 10, 2026
  23. 2/7 builtin/receive-pack: pass shallow file explicitlyJustin Tobler, Aug 9, 2026
  24. 3/7 builtin/receive-pack: read unpack limit config lazilyJustin Tobler, Aug 9, 2026
  25. Patrick SteinhardtAug 10, 2026
  26. Justin ToblerAug 10, 2026
  27. Junio C HamanoAug 10, 2026
  28. Justin ToblerAug 10, 2026
  29. 4/7 builtin/receive-pack: lift global state out of unpack()Justin Tobler, Aug 9, 2026
  30. 5/7 builtin/receive-pack: report unpack errors via strbufJustin Tobler, Aug 9, 2026
  31. 6/7 builtin/receive-pack: explicitly pass packfile fdJustin Tobler, Aug 9, 2026
  32. 7/7 odb/transaction: add transaction interface to write packfilesJustin Tobler, Aug 9, 2026
  33. Junio C HamanoAug 10, 2026
  34. Justin ToblerAug 10, 2026
  35. Junio C HamanoAug 10, 2026
  36. Justin ToblerAug 10, 2026
  37. 0/9 builtin/receive-pack: support pluggable packfile writesJustin Tobler, Aug 11, 2026
  38. 1/9 builtin/receive-pack: properly clean up keep filesJustin Tobler, Aug 11, 2026
  39. Patrick SteinhardtAug 12, 2026
  40. Justin ToblerAug 13, 2026
  41. Patrick SteinhardtAug 14, 2026
  42. 2/9 odb/transaction: add transaction finalize interfaceJustin Tobler, Aug 11, 2026
  43. Patrick SteinhardtAug 12, 2026
  44. 3/9 builtin/receive-pack: pass shallow file explicitlyJustin Tobler, Aug 11, 2026
  45. 4/9 builtin/receive-pack: read unpack limit config lazilyJustin Tobler, Aug 11, 2026
  46. 5/9 builtin/receive-pack: lift global state out of unpack()Justin Tobler, Aug 11, 2026
  47. 6/9 builtin/receive-pack: report unpack errors via strbufJustin Tobler, Aug 11, 2026
  48. 8/9 odb: return temporary ODB source when setJustin Tobler, Aug 11, 2026
  49. Patrick SteinhardtAug 12, 2026
  50. 7/9 builtin/receive-pack: explicitly pass packfile fdJustin Tobler, Aug 11, 2026
  51. 9/9 odb/transaction: add transaction interface to write packfilesJustin Tobler, Aug 11, 2026
  52. Patrick SteinhardtAug 14, 2026
  53. Justin ToblerAug 14, 2026
  54. Patrick SteinhardtAug 17, 2026
  55. 0/9 builtin/receive-pack: support pluggable packfile writesJustin Tobler, Aug 19, 2026
  56. 1/9 builtin/receive-pack: properly clean up keep filesJustin Tobler, Aug 19, 2026
  57. Patrick SteinhardtAug 20, 2026
  58. Justin ToblerAug 20, 2026
  59. 2/9 odb/transaction: add transaction finalize interfaceJustin Tobler, Aug 19, 2026
  60. Patrick SteinhardtAug 20, 2026
  61. 3/9 builtin/receive-pack: pass shallow file explicitlyJustin Tobler, Aug 19, 2026
  62. 4/9 builtin/receive-pack: read unpack limit config lazilyJustin Tobler, Aug 19, 2026
  63. 5/9 builtin/receive-pack: lift global state out of unpack()Justin Tobler, Aug 19, 2026
  64. 6/9 builtin/receive-pack: report unpack errors via strbufJustin Tobler, Aug 19, 2026
  65. 7/9 builtin/receive-pack: explicitly pass packfile fdJustin Tobler, Aug 19, 2026
  66. 8/9 odb: return temporary ODB source when setJustin Tobler, Aug 19, 2026
  67. 9/9 odb/transaction: add transaction interface to write packfilesJustin Tobler, Aug 19, 2026
  68. Patrick SteinhardtAug 20, 2026
  69. 0/9 builtin/receive-pack: support pluggable packfile writesJustin Tobler, Aug 20, 2026
  70. 1/9 builtin/receive-pack: properly clean up keep filesJustin Tobler, Aug 20, 2026
  71. 2/9 odb/transaction: add transaction finalize interfaceJustin Tobler, Aug 20, 2026
  72. 3/9 builtin/receive-pack: pass shallow file explicitlyJustin Tobler, Aug 20, 2026
  73. 4/9 builtin/receive-pack: read unpack limit config lazilyJustin Tobler, Aug 20, 2026
  74. 5/9 builtin/receive-pack: lift global state out of unpack()Justin Tobler, Aug 20, 2026
  75. 6/9 builtin/receive-pack: report unpack errors via strbufJustin Tobler, Aug 20, 2026
  76. 8/9 odb: return temporary ODB source when setJustin Tobler, Aug 20, 2026
  77. 9/9 odb/transaction: add transaction interface to write packfilesJustin Tobler, Aug 20, 2026
  78. Junio C HamanoAug 21, 2026
  79. 7/9 builtin/receive-pack: explicitly pass packfile fdJustin Tobler, Aug 20, 2026
  80. Patrick SteinhardtAug 21, 2026

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