diff mbox series

[v3,4/5] notes.c: provide tips when target and append note are both empty

Message ID 0d8ce0b14b0c956c33c99e9160a4752ef7bd7df4.1667980450.git.dyroneteng@gmail.com (mailing list archive)
State New, archived
Headers show
Series notes.c: introduce "--no-blank-line" option | expand

Commit Message

Teng Long Nov. 9, 2022, 9:06 a.m. UTC
From: Teng Long <dyroneteng@gmail.com>

When "git notes append <object>" is executed, if there is no note in
the given object and the appended note is empty too, we could print
the exact tips to end-user.

Signed-off-by: Teng Long <dyroneteng@gmail.com>
---
 builtin/notes.c  | 5 ++++-
 t/t3301-notes.sh | 5 +++--
 2 files changed, 7 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/builtin/notes.c b/builtin/notes.c
index 8c3a1cd913..a6273781fb 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -631,7 +631,10 @@  static int append_edit(int argc, const char **argv, const char *prefix)
 			BUG("combine_notes_overwrite failed");
 		logmsg = xstrfmt("Notes added by 'git notes %s'", argv[0]);
 		commit_notes(the_repository, t, logmsg);
-	}
+	} else if (!d.buf.len && !note)
+		fprintf(stderr,
+			_("Both original and appended notes are empty in %s, do nothing\n"),
+			oid_to_hex(&object));
 
 	free(logmsg);
 	free_note_data(&d);
diff --git a/t/t3301-notes.sh b/t/t3301-notes.sh
index 3288aaec7d..e7807e052a 100755
--- a/t/t3301-notes.sh
+++ b/t/t3301-notes.sh
@@ -552,6 +552,7 @@  test_expect_success 'appending empty string does not change existing note' '
 '
 
 test_expect_success 'git notes append == add when there is no existing note' '
+	test_when_finished git notes remove HEAD &&
 	git notes remove HEAD &&
 	test_must_fail git notes list HEAD &&
 	git notes append -m "Initial set of notes${LF}${LF}More notes appended with git notes append" &&
@@ -560,9 +561,9 @@  test_expect_success 'git notes append == add when there is no existing note' '
 '
 
 test_expect_success 'appending empty string to non-existing note does not create note' '
-	git notes remove HEAD &&
 	test_must_fail git notes list HEAD &&
-	git notes append -m "" &&
+	git notes append -m "" >output 2>&1 &&
+	grep "Both original and appended notes are empty" output &&
 	test_must_fail git notes list HEAD
 '