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[PATCHv4 1/9] builtin/notes: Fix premature failure when trying to add the empty blob

From
Johan Herland <johan@herland.net>
Date
Nov 9, 2014, 12:30 UTC
Message-ID
<1415536255-19961-2-git-send-email-johan@herland.net>
In-Reply-To
<1415536255-19961-1-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);
 	}
-- 
2.1.1.392.g062cc5d
Previous: Johan HerlandNext: Johan Herland
Message 2 of 17 in “[PATCHv4 0/9] Handling empty notes”
  1. Johan HerlandNov 9, 2014
  2. 1/9 builtin/notes: Fix premature failure when trying to add the empty blobJohan Herland, Nov 9, 2014
  3. 2/9 t3301: Verify that 'git notes' removes empty notes by defaultJohan Herland, Nov 9, 2014
  4. 3/9 builtin/notes: Improve namingJohan Herland, Nov 9, 2014
  5. 4/9 builtin/notes: Refactor note file path into struct note_dataJohan Herland, Nov 9, 2014
  6. 5/9 builtin/notes: Simplify early exit code in add()Johan Herland, Nov 9, 2014
  7. Junio C HamanoNov 10, 2014
  8. Johan HerlandNov 11, 2014
  9. Junio C HamanoNov 11, 2014
  10. 6/9 builtin/notes: Split create_note() to clarify add vs. remove logicJohan Herland, Nov 9, 2014
  11. 7/9 builtin/notes: Add --allow-empty, to allow storing empty notesJohan Herland, Nov 9, 2014
  12. 8/9 notes: Empty notes should be shown by 'git log'Johan Herland, Nov 9, 2014
  13. 9/9 t3301: ModernizeJohan Herland, Nov 9, 2014
  14. Junio C HamanoNov 10, 2014
  15. Johan HerlandNov 11, 2014
  16. Eric SunshineNov 11, 2014
  17. Johan HerlandNov 11, 2014

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