Hello,
with this patch applied to git 2.12, I could see:
Use of uninitialized value $batch_size in numeric eq (==) at
/usr/lib/git-core/git-send-email line 1679
when --batch-size is NOT used. See below...
On Sat, 13 May 2017 09:57:26 +0800
xiaoqiang zhao <zxq_yx_...@163.com> wrote:
> Some email servers (e.g. smtp.163.com) limit the number emails to be
> sent per session(connection) and this will lead to a faliure when
> sending many messages.
>
> Teach send-email to disconnect after sending a number of messages
> (configurable via the --batch-size=<num> option), wait for a few
> seconds (configurable via the --relogin-delay=<seconds> option) and
> reconnect, to work around such a limit.
>
> Also add this two configure option for git config command.
>
> Note:
> Re-authentication will happen every $<batch-size> messages, so it
> will be much more acceptable if you use some form of credential helper
> (e.g. the 'sendemail.smtppass' config option), otherwise you will have
> to retype password every time when asked.
>
> Signed-off-by: xiaoqiang zhao <zxq_yx_...@163.com>
> ---
> contrib/completion/git-completion.bash | 2 ++
> git-send-email.perl | 18 ++++++++++++++++++
> 2 files changed, 20 insertions(+)
>
> diff --git a/contrib/completion/git-completion.bash
> b/contrib/completion/git-completion.bash
> index af658995d..29496353a 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -2608,6 +2608,8 @@ _git_config ()
> sendemail.thread
> sendemail.to
> sendemail.validate
> + sendemail.smtpbatchsize
> + sendemail.smtprelogindelay
> showbranch.default
> status.relativePaths
> status.showUntrackedFiles
> diff --git a/git-send-email.perl b/git-send-email.perl
> index eea0a517f..071d1ab9d 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -81,6 +81,10 @@ git send-email --dump-aliases
> This setting forces to use one of the
> listed mechanisms.
> --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
>
> + --batch-size <int> * send max <int> message per connection.
> + --relogin-delay <int> * delay <int> seconds between two
> successive login, default to 1,
> + This option can only be used with
> --batch-size
> +
> Automating:
> --identity <str> * Use the sendemail.<id> options.
> --to-cmd <str> * Email To: via `<str> \$patch_path`
> @@ -153,6 +157,7 @@ my $have_email_valid = eval { require Email::Valid; 1 };
> my $have_mail_address = eval { require Mail::Address; 1 };
> my $smtp;
> my $auth;
> +my $num_sent = 0;
>
> # Regexes for RFC 2047 productions.
> my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
> @@ -216,6 +221,7 @@ my ($cover_cc, $cover_to);
> my ($to_cmd, $cc_cmd);
> my ($smtp_server, $smtp_server_port, @smtp_server_options);
> my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path);
> +my ($batch_size, $relogin_delay);
> my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth);
> my ($validate, $confirm);
> my (@suppress_cc);
> @@ -247,6 +253,8 @@ my %config_settings = (
> "smtppass" => \$smtp_authpass,
> "smtpdomain" => \$smtp_domain,
> "smtpauth" => \$smtp_auth,
> + "smtpbatchsize" => \$batch_size,
> + "smtprelogindelay" => \$relogin_delay,
> "to" => \@initial_to,
> "tocmd" => \$to_cmd,
> "cc" => \@initial_cc,
> @@ -358,6 +366,8 @@ $rc = GetOptions(
> "force" => \$force,
> "xmailer!" => \$use_xmailer,
> "no-xmailer" => sub {$use_xmailer = 0},
> + "batch-size=i" => \$batch_size,
> + "relogin-delay=i" => \$relogin_delay,
> );
>
> usage() if $help;
> @@ -1664,6 +1674,14 @@ foreach my $t (@files) {
> }
> }
> $message_id = undef;
> + $num_sent++;
> + if ($num_sent == $batch_size) {
This is the line. I think, batch_size can be sometimes uninitialized
while this statement is executed.
Regards
Jan
> + $num_sent = 0;
> + $smtp->quit if defined $smtp;
> + undef $smtp;
> + undef $auth;
> + sleep($relogin_delay);
> + }
> }
>
> # Execute a command (e.g. $to_cmd) to get a list of email addresses
