Documentation/hooks: add pre-auto-gc hook

diff --git a/git-send-email.perl b/git-send-email.perl
index 29b1105c4c3c83258ebdf53c8885f767baa0ace0..be4a20d7cd562e9b00d93fe71313aed70afe50af 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -317,7 +317,7 @@ sub read_config {
 
 # If explicit old-style ones are specified, they trump --suppress-cc.
 $suppress_cc{'self'} = $suppress_from if defined $suppress_from;
-$suppress_cc{'sob'} = $signed_off_cc if defined $signed_off_cc;
+$suppress_cc{'sob'} = !$signed_off_cc if defined $signed_off_cc;
 
 # Debugging, print out the suppressions.
 if (0) {
@@ -855,6 +855,7 @@ sub send_message
                        $message .=  $_;
                        if (/^(Signed-off-by|Cc): (.*)$/i) {
                                next if ($suppress_cc{'sob'});
+                               chomp;
                                my $c = $2;
                                chomp $c;
                                next if ($c eq $sender and $suppress_cc{'self'});