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[PATCH 1/4] show-branch: show reflog message

From
Han-Wen Nienhuys via GitGitGadget <gitgitgadget@gmail.com>
Date
Nov 22, 2021, 14:20 UTC
Message-ID
<fd2595d370a8a257c44693fdc98194cd8447e22a.1637590855.git.gitgitgadget@gmail.com>
In-Reply-To
<pull.1145.git.git.1637590855.gitgitgadget@gmail.com>
From: Han-Wen Nienhuys <hanwen@google.com>

Before, --reflog option would look for '\t' in the reflog message. As refs.c already parses the reflog line, the '\t' was never found, and show-branch --reflog would always say "(none)" as reflog message

Add test.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
---
 builtin/show-branch.c  | 12 +++++++-----
 t/t3202-show-branch.sh | 15 +++++++++++++++
 2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index 082449293b5..f1e8318592c 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -761,6 +761,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 			char *logmsg;
 			char *nth_desc;
 			const char *msg;
+			char *end;
 			timestamp_t timestamp;
 			int tz;
 
@@ -770,11 +771,12 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 				reflog = i;
 				break;
 			}
-			msg = strchr(logmsg, '\t');
-			if (!msg)
-				msg = "(none)";
-			else
-				msg++;
+
+			end = strchr(logmsg, '\n');
+			if (end)
+				*end = '\0';
+
+			msg = (*logmsg == '\0') ? "(none)" : logmsg;
 			reflog_msg[i] = xstrfmt("(%s) %s",
 						show_date(timestamp, tz,
 							  DATE_MODE(RELATIVE)),
diff --git a/t/t3202-show-branch.sh b/t/t3202-show-branch.sh
index ad9902a06b9..d4d64401e4b 100755
--- a/t/t3202-show-branch.sh
+++ b/t/t3202-show-branch.sh
@@ -4,6 +4,9 @@ test_description='test show-branch'
 
 . ./test-lib.sh
 
+# arbitrary reference time: 2009-08-30 19:20:00
+GIT_TEST_DATE_NOW=1251660000; export GIT_TEST_DATE_NOW
+
 test_expect_success 'setup' '
 	test_commit initial &&
 	for i in $(test_seq 1 10)
@@ -146,4 +149,16 @@ test_expect_success 'show branch --merge-base with N arguments' '
 	test_cmp expect actual
 '
 
+test_expect_success 'show branch --reflog=2' '
+	sed "s/^>	//" >expect <<-\EOF &&
+	>	! [refs/heads/branch10@{0}] (4 years, 5 months ago) commit: branch10
+	>	 ! [refs/heads/branch10@{1}] (4 years, 5 months ago) commit: branch10
+	>	--
+	>	+  [refs/heads/branch10@{0}] branch10
+	>	++ [refs/heads/branch10@{1}] initial
+	EOF
+	git show-branch --reflog=2 >actual &&
+	test_cmp actual expect
+'
+
 test_done
-- 
gitgitgadget
Previous: Han-Wen Nienhuys via GitGitGadgetNext: Junio C Hamano
Message 2 of 60 in “Inspect reflog data programmatically in more tests”
  1. 0/4 Inspect reflog data programmatically in more testsHan-Wen Nienhuys via GitGitGadget, Nov 22, 2021
  2. 1/4 show-branch: show reflog messageHan-Wen Nienhuys via GitGitGadget, Nov 22, 2021
  3. Junio C HamanoNov 22, 2021
  4. Bagas SanjayaNov 23, 2021
  5. Elijah NewrenNov 23, 2021
  6. 2/4 refs: trim newline from reflog messageHan-Wen Nienhuys via GitGitGadget, Nov 22, 2021
  7. Junio C HamanoNov 22, 2021
  8. Han-Wen NienhuysNov 23, 2021
  9. Junio C HamanoNov 23, 2021
  10. Han-Wen NienhuysNov 23, 2021
  11. Junio C HamanoNov 23, 2021
  12. Han-Wen NienhuysNov 24, 2021
  13. Junio C HamanoNov 24, 2021
  14. Han-Wen NienhuysNov 24, 2021
  15. Junio C HamanoNov 24, 2021
  16. Han-Wen NienhuysNov 25, 2021
  17. Junio C HamanoNov 29, 2021
  18. Junio C HamanoNov 24, 2021
  19. Han-Wen NienhuysNov 24, 2021
  20. Re* [PATCH 2/4] refs: trim newline from reflog messageJunio C Hamano, Nov 26, 2021
  21. Ævar Arnfjörð BjarmasonNov 28, 2021
  22. Junio C HamanoNov 28, 2021
  23. Re* [PATCH 2/4] refs: trim newline from reflog messageJunio C Hamano, Nov 28, 2021
  24. Ævar Arnfjörð BjarmasonNov 29, 2021
  25. Ævar Arnfjörð BjarmasonNov 23, 2021
  26. Han-Wen NienhuysNov 23, 2021
  27. 3/4 test-ref-store: tweaks to for-each-reflog-ent formatHan-Wen Nienhuys via GitGitGadget, Nov 22, 2021
  28. Junio C HamanoNov 22, 2021
  29. Han-Wen NienhuysNov 23, 2021
  30. Junio C HamanoNov 23, 2021
  31. 4/4 t1400: use test-helper ref-store to inspect reflog contentsHan-Wen Nienhuys via GitGitGadget, Nov 22, 2021
  32. Ævar Arnfjörð BjarmasonNov 22, 2021
  33. Han-Wen NienhuysNov 22, 2021
  34. Junio C HamanoNov 22, 2021
  35. 0/5 Inspect reflog data programmatically in more testsHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  36. 3/5 t1405: check for_each_reflog_ent_reverse() more thoroughlyHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  37. 5/5 refs/debug: trim trailing LF from reflog messageHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  38. Junio C HamanoNov 26, 2021
  39. Han-Wen NienhuysNov 29, 2021
  40. Junio C HamanoNov 29, 2021
  41. Junio C HamanoNov 29, 2021
  42. Han-Wen NienhuysDec 2, 2021
  43. Junio C HamanoDec 2, 2021
  44. Ævar Arnfjörð BjarmasonNov 29, 2021
  45. 1/5 show-branch: show reflog messageHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  46. 2/5 test-ref-store: don't add newline to reflog messageHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  47. Junio C HamanoNov 26, 2021
  48. 4/5 test-ref-store: tweaks to for-each-reflog-ent formatHan-Wen Nienhuys via GitGitGadget, Nov 25, 2021
  49. Junio C HamanoNov 26, 2021
  50. Ævar Arnfjörð BjarmasonNov 29, 2021
  51. Han-Wen NienhuysNov 29, 2021
  52. Junio C HamanoNov 29, 2021
  53. Ævar Arnfjörð BjarmasonNov 29, 2021
  54. Han-Wen NienhuysDec 2, 2021
  55. 0/5 Inspect reflog data programmatically in more testsHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021
  56. 1/5 show-branch: show reflog messageHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021
  57. 5/5 refs/debug: trim trailing LF from reflog messageHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021
  58. 4/5 test-ref-store: tweaks to for-each-reflog-ent formatHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021
  59. 3/5 t1405: check for_each_reflog_ent_reverse() more thoroughlyHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021
  60. 2/5 test-ref-store: don't add newline to reflog messageHan-Wen Nienhuys via GitGitGadget, Dec 2, 2021

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