[PATCHv5 8/9] notes: Empty notes should be shown by 'git log'

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If the user has gone through the trouble of explicitly adding an empty
note, then "git log" should not silently skip it (as if it didn't exist).

Signed-off-by: Johan Herland <johan@xxxxxxxxxxx>
---
 notes.c          |  3 +--
 t/t3301-notes.sh | 12 ++++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/notes.c b/notes.c
index 5fe691d..62bc6e1 100644
--- a/notes.c
+++ b/notes.c
@@ -1218,8 +1218,7 @@ static void format_note(struct notes_tree *t, const unsigned char *object_sha1,
 	if (!sha1)
 		return;
 
-	if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen ||
-			type != OBJ_BLOB) {
+	if (!(msg = read_sha1_file(sha1, &type, &msglen)) || type != OBJ_BLOB) {
 		free(msg);
 		return;
 	}
diff --git a/t/t3301-notes.sh b/t/t3301-notes.sh
index 70ec5c3..416ed9e 100755
--- a/t/t3301-notes.sh
+++ b/t/t3301-notes.sh
@@ -1274,4 +1274,16 @@ append -C "$empty_blob"
 edit
 EOF
 
+test_expect_success 'empty notes are displayed by git log' '
+	test_commit 17th &&
+	git log -1 >expect &&
+	cat >>expect <<\EOF &&
+
+Notes:
+EOF
+	git notes add -C "$empty_blob" --allow-empty &&
+	git log -1 >actual &&
+	test_cmp expect actual
+'
+
 test_done
-- 
2.0.0.rc4.501.gdaf83ca

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