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send-email: don't cc *-by lines with '-' prefix

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Since commit ef0cc1df90 ("send-email: also pick up cc addresses from
-by trailers") in git version 2.20, git send-email adds to cc list
addresses from all *-by lines. As a side effect a line with
'-Signed-off-by' is now also added to cc. This makes send-email pick
lines from patches that remove patch files from the git repo. This is
common in the Buildroot project that often removes (and adds) patch
files that have 'Signed-off-by' in their patch description part.

Consider only *-by lines that start with [a-z] (case insensitive) to
avoid unrelated addresses in cc.

Cc: Joe Perches <joe@perches.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Rasmus Villemoes <rv@rasmusvillemoes.dk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Baruch Siach 2019-03-16 21:26:50 +02:00 committed by Junio C Hamano
parent 041f5ea1cf
commit 9c545816be
1 changed files with 1 additions and 1 deletions
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2
git-send-email.perl
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@ -1699,7 +1699,7 @@ sub process_file {
# Now parse the message body
while(<$fh>) {
$message .= $_;
if (/^([a-z-]*-by|Cc): (.*)/i) {
if (/^([a-z][a-z-]*-by|Cc): (.*)/i) {
chomp;
my ($what, $c) = ($1, $2);
# strip garbage for the address we'll use: