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[PATCHv2 1/3] builtin/notes: Fix premature failure when trying to add the empty blob

From
Johan Herland <johan@herland.net>
Date
Nov 5, 2014, 08:32 UTC
Message-ID
<1415176347-18694-1-git-send-email-johan@herland.net>

This fixes a small buglet when trying to explicitly add the empty blob as a note object using the -c or -C option to git notes add/append. Instead of failing with a nonsensical error message indicating that the empty blob does not exist, we should rather behave as if an empty notes message was given (e.g. using -m "" or -F /dev/null).

The next patch contains a test that verifies the fixed behavior.
Found-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Johan Herland <johan@herland.net>
---
 builtin/notes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/builtin/notes.c b/builtin/notes.c
index 68b6cd8..9ee6816 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -266,7 +266,7 @@ static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
 
 	if (get_sha1(arg, object))
 		die(_("Failed to resolve '%s' as a valid ref."), arg);
-	if (!(buf = read_sha1_file(object, &type, &len)) || !len) {
+	if (!(buf = read_sha1_file(object, &type, &len))) {
 		free(buf);
 		die(_("Failed to read object '%s'."), arg);
 	}
-- 
2.0.0.rc4.501.gdaf83ca
Next: Johan Herland
Message 1 of 5 in “[PATCHv2 1/3] builtin/notes: Fix premature failure when trying to add the empty blob”
  1. Johan HerlandNov 5, 2014
  2. 2/3 t3312-notes-empty: Test that 'git notes' removes empty notes by defaultJohan Herland, Nov 5, 2014
  3. Junio C HamanoNov 5, 2014
  4. Johan HerlandNov 7, 2014
  5. 3/3 notes: Add --allow-empty, to allow storing empty notesJohan Herland, Nov 5, 2014

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