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[PATCH v6? 15/17] refs API: make resolve_ref_unsafe() not set errno

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Jul 11, 2021, 16:30 UTC
Message-ID
<patch-15.17-446b50280be-20210711T162803Z-avarab@gmail.com>
In-Reply-To
<cover-00.17-00000000000-20210711T162803Z-avarab@gmail.com>

Change the resolve_ref_unsafe() wrapper function to use refs_resolve_ref_unsafe_with_errno() directly.

From a reading of the callers I determined that the only one who cared about errno was a sequencer.c caller added in e47c6cafcb5 (commit: move print_commit_summary() to libgit, 2017-11-24), I'm migrating it to using refs_resolve_ref_unsafe_with_errno() directly.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 refs.c      |  7 +++++--
 sequencer.c | 10 ++++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/refs.c b/refs.c
index 0364b68f8fa..1d44027497e 100644
--- a/refs.c
+++ b/refs.c
@@ -1811,8 +1811,11 @@ int refs_init_db(struct strbuf *err)
 const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
 			       struct object_id *oid, int *flags)
 {
-	return refs_resolve_ref_unsafe(get_main_ref_store(the_repository), refname,
-				       resolve_flags, oid, flags);
+	struct ref_store *refs = get_main_ref_store(the_repository);
+	int ignore_errno;
+
+	return refs_resolve_ref_unsafe_with_errno(refs, refname, resolve_flags,
+						  oid, flags, &ignore_errno);
 }
 
 int resolve_gitlink_ref(const char *submodule, const char *refname,
diff --git a/sequencer.c b/sequencer.c
index 0bec01cf38e..c4772413b86 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -1267,6 +1267,8 @@ void print_commit_summary(struct repository *r,
 	struct pretty_print_context pctx = {0};
 	struct strbuf author_ident = STRBUF_INIT;
 	struct strbuf committer_ident = STRBUF_INIT;
+	struct ref_store *refs;
+	int resolve_errno;
 
 	commit = lookup_commit(r, oid);
 	if (!commit)
@@ -1316,9 +1318,13 @@ void print_commit_summary(struct repository *r,
 	rev.diffopt.break_opt = 0;
 	diff_setup_done(&rev.diffopt);
 
-	head = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
-	if (!head)
+	refs = get_main_ref_store(the_repository);
+	head = refs_resolve_ref_unsafe_with_errno(refs, "HEAD", 0, NULL, NULL,
+						  &resolve_errno);
+	if (!head) {
+		errno = resolve_errno;
 		die_errno(_("unable to resolve HEAD after creating commit"));
+	}
 	if (!strcmp(head, "HEAD"))
 		head = _("detached HEAD");
 	else
-- 
2.32.0-dev
Previous: Ævar Arnfjörð BjarmasonNext: Han-Wen Nienhuys
Message 104 of 148 in “refs: cleanup errno sideband ref related functions”
  1. 0/8 refs: cleanup errno sideband ref related functionsHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  2. 1/8 refs: remove EINVAL specification from the errno sideband in read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  3. Junio C HamanoApr 30, 2021
  4. Han-Wen NienhuysMay 19, 2021
  5. Jonathan TanJun 3, 2021
  6. Han-Wen NienhuysJun 9, 2021
  7. 2/8 refs/files-backend: stop setting errno from lock_ref_oid_basicHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  8. Junio C HamanoApr 30, 2021
  9. Han-Wen NienhuysMay 19, 2021
  10. Jonathan TanJun 3, 2021
  11. Han-Wen NienhuysJun 10, 2021
  12. 4/8 refs: make errno output explicit for refs_resolve_ref_unsafeHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  13. Jonathan TanJun 3, 2021
  14. Han-Wen NienhuysJun 10, 2021
  15. 5/8 refs: add failure_errno to refs_read_raw_ref() signatureHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  16. 3/8 refs: make errno output explicit for read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  17. Junio C HamanoApr 30, 2021
  18. Junio C HamanoApr 30, 2021
  19. Han-Wen NienhuysMay 19, 2021
  20. Jonathan TanJun 3, 2021
  21. Han-Wen NienhuysJun 10, 2021
  22. 8/8 refs: explicitly propagate errno from refs_read_raw_refHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  23. 6/8 refs: clear errno return in refs_resolve_ref_unsafe()Han-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  24. Jonathan TanJun 3, 2021
  25. Han-Wen NienhuysJun 10, 2021
  26. 7/8 refs: stop setting EINVAL and ELOOP in symref resolutionHan-Wen Nienhuys via GitGitGadget, Apr 29, 2021
  27. Jonathan TanJun 3, 2021
  28. Han-Wen NienhuysJun 10, 2021
  29. Jonathan TanJun 3, 2021
  30. Han-Wen NienhuysJun 9, 2021
  31. 0/8 refs: cleanup errno sideband ref related functionsHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  32. 5/8 refs: use refs_resolve_ref_unsafe_with_errno() where neededHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  33. Ævar Arnfjörð BjarmasonJul 1, 2021
  34. 4/8 refs: make errno output explicit for refs_resolve_ref_unsafeHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  35. Ævar Arnfjörð BjarmasonJul 1, 2021
  36. 8/8 refs: explicitly propagate errno from refs_read_raw_refHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  37. Ævar Arnfjörð BjarmasonJul 1, 2021
  38. Han-Wen NienhuysJul 5, 2021
  39. Ævar Arnfjörð BjarmasonJul 5, 2021
  40. Han-Wen NienhuysJul 5, 2021
  41. 1/8 refs: remove EINVAL errno output from specification of read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  42. 2/8 refs/files-backend: stop setting errno from lock_ref_oid_basicHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  43. Ævar Arnfjörð BjarmasonJul 1, 2021
  44. Han-Wen NienhuysJul 5, 2021
  45. 3/8 refs: make errno output explicit for read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  46. Ævar Arnfjörð BjarmasonJul 1, 2021
  47. Han-Wen NienhuysJul 5, 2021
  48. 6/8 refs: add failure_errno to refs_read_raw_ref() signatureHan-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  49. Ævar Arnfjörð BjarmasonJul 1, 2021
  50. 7/8 refs: clear errno return in refs_resolve_ref_unsafe()Han-Wen Nienhuys via GitGitGadget, Jun 10, 2021
  51. Ævar Arnfjörð BjarmasonJul 1, 2021
  52. Han-Wen NienhuysJun 14, 2021
  53. 0/5 refs: cleanup errno sideband ref related functionsHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  54. 1/5 refs: remove EINVAL errno output from specification of read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  55. 2/5 refs/files-backend: stop setting errno from lock_ref_oid_basicHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  56. 3/5 refs: make errno output explicit for read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  57. 4/5 refs: add failure_errno to refs_read_raw_ref() signatureHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  58. Junio C HamanoJul 6, 2021
  59. 5/5 refs: make errno output explicit for refs_resolve_ref_unsafeHan-Wen Nienhuys via GitGitGadget, Jul 5, 2021
  60. Ævar Arnfjörð BjarmasonJul 6, 2021
  61. Han-Wen NienhuysJul 6, 2021
  62. Ævar Arnfjörð BjarmasonJul 6, 2021
  63. Han-Wen NienhuysJul 6, 2021
  64. 0/6 refs: cleanup errno sideband ref related functionsHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  65. 1/6 refs: remove EINVAL errno output from specification of read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  66. 2/6 refs/files-backend: stop setting errno from lock_ref_oid_basicHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  67. 5/6 refs: explicitly return failure_errno from parse_loose_ref_contentsHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  68. Junio C HamanoJul 6, 2021
  69. Han-Wen NienhuysJul 7, 2021
  70. 3/6 refs: make errno output explicit for read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  71. 4/6 refs: add failure_errno to refs_read_raw_ref() signatureHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  72. Junio C HamanoJul 6, 2021
  73. 6/6 refs: make errno output explicit for refs_resolve_ref_unsafeHan-Wen Nienhuys via GitGitGadget, Jul 6, 2021
  74. 0/6 refs: cleanup errno sideband ref related functionsHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  75. 1/6 refs: remove EINVAL errno output from specification of read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  76. 2/6 refs/files-backend: stop setting errno from lock_ref_oid_basicHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  77. Ævar Arnfjörð BjarmasonJul 11, 2021
  78. Han-Wen NienhuysJul 13, 2021
  79. 3/6 refs: make errno output explicit for read_raw_ref_fnHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  80. Ævar Arnfjörð BjarmasonJul 11, 2021
  81. 4/6 refs: add failure_errno to refs_read_raw_ref() signatureHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  82. Ævar Arnfjörð BjarmasonJul 11, 2021
  83. Han-Wen NienhuysJul 13, 2021
  84. 5/6 refs: explicitly return failure_errno from parse_loose_ref_contentsHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  85. Ævar Arnfjörð BjarmasonJul 11, 2021
  86. 6/6 refs: make errno output explicit for refs_resolve_ref_unsafeHan-Wen Nienhuys via GitGitGadget, Jul 7, 2021
  87. Junio C HamanoJul 7, 2021
  88. 00/17 refs API: get rid of errno setting entirelyÆvar Arnfjörð Bjarmason, Jul 11, 2021
  89. 01/17 refs: remove EINVAL errno output from specification of read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 11, 2021
  90. 03/17 refs: make errno output explicit for read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 11, 2021
  91. 02/17 refs/files-backend: stop setting errno from lock_ref_oid_basicÆvar Arnfjörð Bjarmason, Jul 11, 2021
  92. 04/17 refs: add failure_errno to refs_read_raw_ref() signatureÆvar Arnfjörð Bjarmason, Jul 11, 2021
  93. 05/17 refs: explicitly return failure_errno from parse_loose_ref_contentsÆvar Arnfjörð Bjarmason, Jul 11, 2021
  94. 06/17 refs: make errno output explicit for refs_resolve_ref_unsafeÆvar Arnfjörð Bjarmason, Jul 11, 2021
  95. 07/17 refs: make errno ignoring explicit in lock_ref_oid_basic()Ævar Arnfjörð Bjarmason, Jul 11, 2021
  96. 10/17 refs API: remove refs_read_ref_full() wrapperÆvar Arnfjörð Bjarmason, Jul 11, 2021
  97. 11/17 refs API: make resolve_gitlink_ref() not set errnoÆvar Arnfjörð Bjarmason, Jul 11, 2021
  98. 08/17 refs file-backend.c: stop setting "EBUSY" in verify_lock()Ævar Arnfjörð Bjarmason, Jul 11, 2021
  99. Han-Wen NienhuysJul 13, 2021
  100. 09/17 refs file-backend.c: deal with errno directly in verify_lock()Ævar Arnfjörð Bjarmason, Jul 11, 2021
  101. 12/17 refs API: make refs_resolve_ref_unsafe() staticÆvar Arnfjörð Bjarmason, Jul 11, 2021
  102. 13/17 refs API: make refs_resolve_refdup() not set errnoÆvar Arnfjörð Bjarmason, Jul 11, 2021
  103. 14/17 refs API: make refs_ref_exists() not set errnoÆvar Arnfjörð Bjarmason, Jul 11, 2021
  104. 15/17 refs API: make resolve_ref_unsafe() not set errnoÆvar Arnfjörð Bjarmason, Jul 11, 2021
  105. Han-Wen NienhuysJul 13, 2021
  106. Ævar Arnfjörð BjarmasonJul 14, 2021
  107. 17/17 refs API: don't leak "errno" in run_transaction_hook()Ævar Arnfjörð Bjarmason, Jul 11, 2021
  108. 16/17 refs API: make expand_ref() and repo_dwim_log() not set errnoÆvar Arnfjörð Bjarmason, Jul 11, 2021
  109. Han-Wen NienhuysJul 13, 2021
  110. Ævar Arnfjörð BjarmasonJul 13, 2021
  111. Ævar Arnfjörð BjarmasonJul 14, 2021
  112. Han-Wen NienhuysJul 14, 2021
  113. 0/6 refs: cleanup errno sideband ref related functionsÆvar Arnfjörð Bjarmason, Jul 14, 2021
  114. 1/6 refs: remove EINVAL errno output from specification of read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 14, 2021
  115. 2/6 refs/files-backend: stop setting errno from lock_ref_oid_basicÆvar Arnfjörð Bjarmason, Jul 14, 2021
  116. 3/6 refs: make errno output explicit for read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 14, 2021
  117. 4/6 refs: add failure_errno to refs_read_raw_ref() signatureÆvar Arnfjörð Bjarmason, Jul 14, 2021
  118. 5/6 refs: explicitly return failure_errno from parse_loose_ref_contentsÆvar Arnfjörð Bjarmason, Jul 14, 2021
  119. 6/6 refs: make errno output explicit for refs_resolve_ref_unsafeÆvar Arnfjörð Bjarmason, Jul 14, 2021
  120. 0/7 refs: cleanup errno sideband ref related functionsÆvar Arnfjörð Bjarmason, Jul 16, 2021
  121. 1/7 refs file backend: move raceproof_create_file() hereÆvar Arnfjörð Bjarmason, Jul 16, 2021
  122. 3/7 refs/files-backend: stop setting errno from lock_ref_oid_basicÆvar Arnfjörð Bjarmason, Jul 16, 2021
  123. 2/7 refs: remove EINVAL errno output from specification of read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 16, 2021
  124. 4/7 refs: make errno output explicit for read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 16, 2021
  125. 5/7 refs: add failure_errno to refs_read_raw_ref() signatureÆvar Arnfjörð Bjarmason, Jul 16, 2021
  126. 6/7 refs: explicitly return failure_errno from parse_loose_ref_contentsÆvar Arnfjörð Bjarmason, Jul 16, 2021
  127. 7/7 refs: make errno output explicit for refs_resolve_ref_unsafeÆvar Arnfjörð Bjarmason, Jul 16, 2021
  128. 0/7 refs: cleanup errno sideband ref related functionsÆvar Arnfjörð Bjarmason, Jul 20, 2021
  129. 1/7 refs file backend: move raceproof_create_file() hereÆvar Arnfjörð Bjarmason, Jul 20, 2021
  130. 2/7 refs: remove EINVAL errno output from specification of read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 20, 2021
  131. 3/7 refs/files-backend: stop setting errno from lock_ref_oid_basicÆvar Arnfjörð Bjarmason, Jul 20, 2021
  132. 4/7 refs: make errno output explicit for read_raw_ref_fnÆvar Arnfjörð Bjarmason, Jul 20, 2021
  133. Han-Wen NienhuysAug 16, 2021
  134. 5/7 refs: add failure_errno to refs_read_raw_ref() signatureÆvar Arnfjörð Bjarmason, Jul 20, 2021
  135. 6/7 refs: explicitly return failure_errno from parse_loose_ref_contentsÆvar Arnfjörð Bjarmason, Jul 20, 2021
  136. Jonathan TanAug 13, 2021
  137. 7/7 refs: make errno output explicit for refs_resolve_ref_unsafeÆvar Arnfjörð Bjarmason, Jul 20, 2021
  138. Ævar Arnfjörð BjarmasonJul 26, 2021
  139. Junio C HamanoJul 27, 2021
  140. 0/8 refs: cleanup errno sideband ref related functionsÆvar Arnfjörð Bjarmason, Aug 23, 2021
  141. 1/8 refs file backend: move raceproof_create_file() hereÆvar Arnfjörð Bjarmason, Aug 23, 2021
  142. 2/8 refs: remove EINVAL errno output from specification of read_raw_ref_fnÆvar Arnfjörð Bjarmason, Aug 23, 2021
  143. 3/8 refs/files-backend: stop setting errno from lock_ref_oid_basicÆvar Arnfjörð Bjarmason, Aug 23, 2021
  144. 4/8 refs: make errno output explicit for read_raw_ref_fnÆvar Arnfjörð Bjarmason, Aug 23, 2021
  145. 5/8 refs: add failure_errno to refs_read_raw_ref() signatureÆvar Arnfjörð Bjarmason, Aug 23, 2021
  146. 6/8 branch tests: test for errno propagating on failing readÆvar Arnfjörð Bjarmason, Aug 23, 2021
  147. 7/8 refs: explicitly return failure_errno from parse_loose_ref_contentsÆvar Arnfjörð Bjarmason, Aug 23, 2021
  148. 8/8 refs: make errno output explicit for refs_resolve_ref_unsafeÆvar Arnfjörð Bjarmason, Aug 23, 2021

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