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Re: [PATCH] send-email: Avoid empty transfer encoding header




On Thu, Nov 01, 2018 at 09:09:34PM -0400, Aaron Lindsay wrote:
> Fix a small bug introduced by "7a36987ff (send-email: add an auto option
> for transfer encoding, 2018-07-14)
> 
> I saw the following message when setting --transfer-encoding for a file
> with the same encoding:
>     $ git send-email --transfer-encoding=8bit example.patch
>     Use of uninitialized value $xfer_encoding in concatenation (.) or string
>     at /usr/lib/git-core/git-send-email line 1744.
> 
> Signed-off-by: Aaron Lindsay <aaron@xxxxxxxxxxxxx>
> ---
>  git-send-email.perl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/git-send-email.perl b/git-send-email.perl
> index 2be5dac33..39c15bcc8 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -1834,7 +1834,7 @@ sub apply_transfer_encoding {
>  	my $from = shift;
>  	my $to = shift;
>  
> -	return $message if ($from eq $to and $from ne '7bit');
> +	return ($message, $to) if ($from eq $to and $from ne '7bit');

Thanks, this is obviously correct.

Would you like to squash in the below patch to add a test?

----- >% -----
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 2 Nov 2018 01:51:33 +0000
Subject: [PATCH] squash! send-email: Avoid empty transfer encoding header

Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
 t/t9001-send-email.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 1ef1a19003..ee1efcc59d 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -492,6 +492,21 @@ do
 			--validate \
 			$patches longline.patch
 	'
+
+done
+
+for enc in 7bit 8bit quoted-printable base64
+do
+	test_expect_success $PREREQ "--transfer-encoding=$enc produces correct header" '
+		clean_fake_sendmail &&
+		git send-email \
+			--from="Example <nobody@xxxxxxxxxxx>" \
+			--to=nobody@xxxxxxxxxxx \
+			--smtp-server="$(pwd)/fake.sendmail" \
+			--transfer-encoding=$enc \
+			$patches &&
+		grep "Content-Transfer-Encoding: $enc" msgtxt1
+	'
 done
 
 test_expect_success $PREREQ 'Invalid In-Reply-To' '
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204

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