Nickolai Zeldovich <nicko...@csail.mit.edu> writes:

> Field names like To:, Cc:, etc should be treated as case-independent;
> use a case-insensitive regexp to match them as such.  Previously,
> git-send-email would send email messages with a lowercase "cc:" line in
> the body without actually sending a copy of the message to that address.
>
> Signed-off-by: Nickolai Zeldovich <nicko...@csail.mit.edu>
> ---

While I think this patch is a sensible thing to do, I at the same
time wonder who is writing "cc:" in the lowercase in the first
place, and if that is one of our tools, we should fix that part as
well.  Such a header would leak out to the payload given to the
underlying sendmail, doesn't it?

Leaking such lowercased headers of course is not a crime (the
headers are case insensitive), but they look ugly.

>  git-send-email.perl |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/git-send-email.perl b/git-send-email.perl
> index 94c7f76..be809e5 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -1285,10 +1285,10 @@ foreach my $t (@files) {
>               }
>  
>               if (defined $input_format && $input_format eq 'mbox') {
> -                     if (/^Subject:\s+(.*)$/) {
> +                     if (/^Subject:\s+(.*)$/i) {
>                               $subject = $1;
>                       }
> -                     elsif (/^From:\s+(.*)$/) {
> +                     elsif (/^From:\s+(.*)$/i) {
>                               ($author, $author_encoding) = 
> unquote_rfc2047($1);
>                               next if $suppress_cc{'author'};
>                               next if $suppress_cc{'self'} and $author eq 
> $sender;
> @@ -1296,14 +1296,14 @@ foreach my $t (@files) {
>                                       $1, $_) unless $quiet;
>                               push @cc, $1;
>                       }
> -                     elsif (/^To:\s+(.*)$/) {
> +                     elsif (/^To:\s+(.*)$/i) {
>                               foreach my $addr (parse_address_line($1)) {
>                                       printf("(mbox) Adding to: %s from line 
> '%s'\n",
>                                               $addr, $_) unless $quiet;
>                                       push @to, $addr;
>                               }
>                       }
> -                     elsif (/^Cc:\s+(.*)$/) {
> +                     elsif (/^Cc:\s+(.*)$/i) {
>                               foreach my $addr (parse_address_line($1)) {
>                                       if (unquote_rfc2047($addr) eq $sender) {
>                                               next if ($suppress_cc{'self'});
> @@ -1325,7 +1325,7 @@ foreach my $t (@files) {
>                       elsif (/^Message-Id: (.*)/i) {
>                               $message_id = $1;
>                       }
> -                     elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
> +                     elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
>                               push @xh, $_;
>                       }
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