From: Jorge Juan Garcia Garcia <jorge-juan.garcia-gar...@ensimag.imag.fr>

Make it so that we can use a list of email in flags
instead of having to use one flag per email address.

The format of email list handled is pretty basic for now:
        $ git send-email --to='Foo <f...@example.com>, b...@example.com'
We thought it would be nice to have a "first-step" version which works
before handling more complex ones such as:
        $ git send-email --to='Foo, Bar <foo...@example.com>'

Signed-off-by: Mathieu Lienard--Mayor <mathieu.lienard--ma...@ensimag.imag.fr>
Signed-off-by: Jorge Juan Garcia Garcia 
<jorge-juan.garcia-gar...@ensimag.imag.fr>
Signed-off-by: Matthieu Moy <matthieu....@grenoble-inp.fr>
---

Changes in the patch:
 -Update documentation
 -Removal of no-longer needed user input verification
 -New function that splits email list into seperate email addresses
 -New test to make sure it behaves the way intended

 Documentation/git-send-email.txt |   21 +++++++++++++++------
 git-send-email.perl              |   38 ++++++++++++++++++++++++--------------
 t/t9001-send-email.sh            |   37 ++++++++++++++++++++++++++++++++++++-
 3 files changed, 75 insertions(+), 21 deletions(-)

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index 40a9a9a..e3444cf 100644
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -50,16 +50,22 @@ Composing
        'sendemail.multiedit'.
 
 --bcc=<address>::
+--bcc="[<address>,...]"::
        Specify a "Bcc:" value for each email. Default is the value of
        'sendemail.bcc'.
-+
-The --bcc option must be repeated for each user you want on the bcc list.
+       The format supported for email list is the following:
+       "Foo <f...@example.com>, b...@example.com".
+       Please notice that the email list does not handle commas in
+       email names such as "Foo, Bar <foo...@example.com>".
 
 --cc=<address>::
+--cc="[<address>,...]"::
        Specify a starting "Cc:" value for each email.
        Default is the value of 'sendemail.cc'.
-+
-The --cc option must be repeated for each user you want on the cc list.
+       The format supported for email list is the following:
+       "Foo <f...@example.com>, b...@example.com".
+       Please notice that the email list does not handle commas in
+       email names such as "Foo, Bar <foo...@example.com>".
 
 --compose::
        Invoke a text editor (see GIT_EDITOR in linkgit:git-var[1])
@@ -111,12 +117,15 @@ is not set, this will be prompted for.
        is not set, this will be prompted for.
 
 --to=<address>::
+--to="[<address>,...]"::
        Specify the primary recipient of the emails generated. Generally, this
        will be the upstream maintainer of the project involved. Default is the
        value of the 'sendemail.to' configuration value; if that is unspecified,
        and --to-cmd is not specified, this will be prompted for.
-+
-The --to option must be repeated for each user you want on the to list.
+       The format supported for email list is the following:
+       "Foo <f...@example.com>, b...@example.com".
+       Please notice that the email list does not handle commas in
+       email names such as "Foo, Bar <foo...@example.com>".
 
 --8bit-encoding=<encoding>::
        When encountering a non-ASCII message or subject that does not
diff --git a/git-send-email.perl b/git-send-email.perl
index 671762b..d7e4887 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -426,20 +426,6 @@ my ($repoauthor, $repocommitter);
 ($repoauthor) = Git::ident_person(@repo, 'author');
 ($repocommitter) = Git::ident_person(@repo, 'committer');
 
-# Verify the user input
-
-foreach my $entry (@initial_to) {
-       die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
-}
-
-foreach my $entry (@initial_cc) {
-       die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
-}
-
-foreach my $entry (@bcclist) {
-       die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
-}
-
 sub parse_address_line {
        if ($have_mail_address) {
                return map { $_->format } Mail::Address->parse($_[0]);
@@ -1079,6 +1065,27 @@ sub smtp_auth_maybe {
        return $auth;
 }
 
+sub split_email_list {
+    my(@list) = @_;
+    my @tmp;
+    my @emails;
+       for (my $i = 0; $i <= $#list; $i++) {
+           if ($list[$i] =~ /,/) {
+               @emails = split(/,/, $list[$i]);
+           } else {
+               @emails = $list[$i];
+           }
+           # Removal of unwanted spaces
+           for (my $j = 0; $j <= $#emails; $j++) {
+               $emails[$j] =~ s/^\s+//;
+               $emails[$j] =~ s/\s+$//;
+           }
+           @tmp = (@tmp, @emails);
+       }
+    return(@tmp);
+}
+
+
 # Returns 1 if the message was sent, and 0 otherwise.
 # In actuality, the whole program dies when there
 # is an error sending a message.
@@ -1089,6 +1096,9 @@ sub send_message {
                      not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
                    }
               @cc);
+       @cc = split_email_list(@cc);
+       @bcclist = split_email_list(@bcclist);
+       @recipients = split_email_list(@recipients);
        my $to = join (",\n\t", @recipients);
        @recipients = unique_email_list(@recipients,@cc,@bcclist);
        @recipients = (map { extract_valid_address_or_die($_) } @recipients);
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 9f46f22..87641bc 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -1349,4 +1349,39 @@ test_expect_success $PREREQ 
'sendemail.aliasfile=~/.mailrc' '
        grep "^!someone@example\.org!$" commandline1
 '
 
-test_done
+test_expect_success $PREREQ 'setup expected-list' '
+       git send-email \
+               --dry-run \
+               --suppress-cc=sob \
+               --from="Example <f...@example.com>" \
+               --to="t...@example.com" --to="t...@example.com" \
+               --to="t...@example.com" --cc="c...@example.com" \
+               --cc="Cc 1 <c...@example.com>" --cc="Cc 2 <c...@example.com>" \
+               --bcc="b...@example.com" --bcc="b...@example.com" \
+               -1 >output
+       sed     -e "s/^\(\/tmp\/\).*/\1patch/" \
+               -e "s/^\(Date:\).*/\1 DATE-STRING/" \
+               -e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+               -e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+               <output >expected-list
+'
+
+test_expect_success $PREREQ 'use email list in --cc --to and --bcc' '
+       git send-email \
+               --dry-run \
+               --suppress-cc=sob \
+               --from="Example <f...@example.com>" \
+               --to="t...@example.com, t...@example.com,t...@example.com" \
+               --cc="c...@example.com" \
+               --cc="Cc 1 <c...@example.com>, Cc 2 <c...@example.com>" \
+               --bcc="b...@example.com, b...@example.com" \
+               -1 >output
+       sed     -e "s/^\(\/tmp\/\).*/\1patch/" \
+               -e "s/^\(Date:\).*/\1 DATE-STRING/" \
+               -e "s/^\(Message-Id:\).*/\1 MESSAGE-ID-STRING/" \
+               -e "s/^\(X-Mailer:\).*/\1 X-MAILER-STRING/" \
+               <output >actual-list &&
+       test_cmp expected-list actual-list
+'
+
+test_done
\ No newline at end of file
-- 
1.7.8

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