From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D40A4C6FD18 for ; Tue, 25 Apr 2023 16:29:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234744AbjDYQ3Q (ORCPT ); Tue, 25 Apr 2023 12:29:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233943AbjDYQ3O (ORCPT ); Tue, 25 Apr 2023 12:29:14 -0400 Received: from mail-qt1-x830.google.com (mail-qt1-x830.google.com [IPv6:2607:f8b0:4864:20::830]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 435EF16186 for ; Tue, 25 Apr 2023 09:29:10 -0700 (PDT) Received: by mail-qt1-x830.google.com with SMTP id d75a77b69052e-3ef5b5d322dso49723661cf.2 for ; Tue, 25 Apr 2023 09:29:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682440149; x=1685032149; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ocAa2Qf71ghPhEtlrPuJvJDbceb7FOGY/Kp6xbYLekg=; b=q751v8IS/hDtL5ZyHtPcyxe5HjREfMufWtJEcXS26aSFqvK7GowwdeZ7COn+M9JprM 9xzcSaKyAfOA8nzA8HVuxdftRqxhlurpebjts+iyQw2ZpxQa+BbdHt/AWU/RUoNKRV/N OCnKk8y/taZiih72Rwr3xGyjypfOmIEWCQYBNL6rPXjgn6PM2MEzX+lM1la9dEJA4E9e R1pq/apZP/4oPzImiXiPT1ixMQzhaV4vNx7a/AfR15YMW5ndqDF0MKB22XCCIsSsnysZ iAi8dSwA/GlF5CyO60KtGNUFeYnlCwai1VmBjxgbrLaI0sbI7UdND27OfXBAJ0uoNPou jOjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682440149; x=1685032149; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ocAa2Qf71ghPhEtlrPuJvJDbceb7FOGY/Kp6xbYLekg=; b=QbV3NqJGfPp3HV4qA1U4Nbwme6AioZACT2jsxISH4UT1Rz+aoLIWh9IFxAVX/xYIuR RB0eWIvZJK5OzAazOhAiLQGk0f98T0IDqFHeHEX9UOtJbpCQckpSzCQl6WhtnBYWcFHj Zb8n8Y+hveJbqiqhi/5GRQ8bW+DsqdgzaNb4X1QH7upicJFesdajeM2NSWKPdkRvh5cA vg11tnURVSmHpJV1n8vwvZlEEQde0Y4fDV7YDALtnVQc5I8pUDfZ1+YJUaTvvjOdrxch 4hTGy2Xre3nyowaB0C5EK+JsXBezAC/ZU5PJ/jvTEQbhcXGk8STRtgpF2rKhvOA/C6yY QDzg== X-Gm-Message-State: AAQBX9eYl7MzE6mBsdPuaN5ggXaxSVcSX3LPZfM1Vc+Or3QiA7zjZeES xs6lrs68APZMYVWUEASre5fZ6e209Iw= X-Google-Smtp-Source: AKy350bwDdsnsL0wEIu0lUPX/lNh+DW1BjznFhI92XPYINH/Amf/H56k26ULgb8Ac9ESuOr4LHwRcw== X-Received: by 2002:a05:622a:353:b0:3e3:91da:488e with SMTP id r19-20020a05622a035300b003e391da488emr32392764qtw.53.1682440148893; Tue, 25 Apr 2023 09:29:08 -0700 (PDT) Received: from localhost.localdomain ([2607:fad8:4:3::1003]) by smtp.gmail.com with ESMTPSA id m13-20020ac807cd000000b003ef311b39d7sm4535544qth.96.2023.04.25.09.29.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Apr 2023 09:29:08 -0700 (PDT) From: Maxim Cournoyer To: git@vger.kernel.org Cc: gitster@pobox.com, Maxim Cournoyer Subject: [PATCH v2 2/2] send-email: add --header-cmd option Date: Tue, 25 Apr 2023 12:26:34 -0400 Message-Id: <20230425162631.13684-3-maxim.cournoyer@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230425162631.13684-1-maxim.cournoyer@gmail.com> References: <20230425162631.13684-1-maxim.cournoyer@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Sometimes, adding a header different than CC or TO is desirable; for example, when using Debbugs, it is best to use 'X-Debbugs-Cc' headers to keep people in CC; this is an example use case enabled by the new '--header-cmd' option. The header folding logic is extracted to a subroutine so that it can be reused. Signed-off-by: Maxim Cournoyer --- Documentation/config/sendemail.txt | 1 + Documentation/git-send-email.txt | 8 +++++ git-send-email.perl | 49 +++++++++++++++++++++++------- t/t9001-send-email.sh | 21 +++++++++++-- 4 files changed, 66 insertions(+), 13 deletions(-) diff --git a/Documentation/config/sendemail.txt b/Documentation/config/sendemail.txt index 51da7088a8..92a9ebe98c 100644 --- a/Documentation/config/sendemail.txt +++ b/Documentation/config/sendemail.txt @@ -61,6 +61,7 @@ sendemail.ccCmd:: sendemail.chainReplyTo:: sendemail.envelopeSender:: sendemail.from:: +sendemail.headerCmd:: sendemail.signedoffbycc:: sendemail.smtpPass:: sendemail.suppresscc:: diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index b0f438ec99..295a3dd67c 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -320,6 +320,14 @@ Automating Output of this command must be single email address per line. Default is the value of `sendemail.ccCmd` configuration value. +--header-cmd=:: + Specify a command that is executed once per outgoing message + and output RFC 2822 style header lines to be inserted into + them. When the `sendemail.headerCmd` configuration variable is + set, its value is always used. When --header-cmd is provided + at the command line, its value takes precedence over the + `sendemail.headerCmd` configuration variable. + --[no-]chain-reply-to:: If this is set, each email will be sent as a reply to the previous email sent. If disabled with "--no-chain-reply-to", all emails after diff --git a/git-send-email.perl b/git-send-email.perl index b8d77ad214..906fc1964d 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -88,8 +88,9 @@ sub usage { Automating: --identity * Use the sendemail. options. - --to-cmd * Email To: via ` \$patch_path` - --cc-cmd * Email Cc: via ` \$patch_path` + --to-cmd * Email To: via ` \$patch_path`. + --cc-cmd * Email Cc: via ` \$patch_path`. + --header-cmd * Add headers via ` \$patch_path`. --suppress-cc * author, self, sob, cc, cccmd, body, bodycc, misc-by, all. --[no-]cc-cover * Email Cc: addresses in the cover letter. --[no-]to-cover * Email To: addresses in the cover letter. @@ -270,7 +271,7 @@ sub do_edit { # Variables with corresponding config settings my ($suppress_from, $signed_off_by_cc); my ($cover_cc, $cover_to); -my ($to_cmd, $cc_cmd); +my ($to_cmd, $cc_cmd, $header_cmd); my ($smtp_server, $smtp_server_port, @smtp_server_options); my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path); my ($batch_size, $relogin_delay); @@ -319,6 +320,7 @@ sub do_edit { "tocmd" => \$to_cmd, "cc" => \@config_cc, "cccmd" => \$cc_cmd, + "headercmd" => \$header_cmd, "aliasfiletype" => \$aliasfiletype, "bcc" => \@config_bcc, "suppresscc" => \@suppress_cc, @@ -520,6 +522,7 @@ sub config_regexp { "compose" => \$compose, "quiet" => \$quiet, "cc-cmd=s" => \$cc_cmd, + "header-cmd=s" => \$header_cmd, "suppress-from!" => \$suppress_from, "no-suppress-from" => sub {$suppress_from = 0}, "suppress-cc=s" => \@suppress_cc, @@ -1766,17 +1769,15 @@ sub process_file { $subject = $initial_subject; $message = ""; $message_num++; - # First unfold multiline header fields + # Retrieve and fold header fields. + my @header_lines = (); while(<$fh>) { last if /^\s*$/; - if (/^\s+\S/ and @header) { - chomp($header[$#header]); - s/^\s+/ /; - $header[$#header] .= $_; - } else { - push(@header, $_); - } + push(@header_lines, $_); } + @header = fold_headers(@header_lines); + # Add computed headers, if applicable. + push @header, invoke_header_cmd($header_cmd, $t) if defined $header_cmd; # Now parse the header foreach(@header) { if (/^From /) { @@ -2022,6 +2023,32 @@ sub execute_cmd { return @lines; } +# Process headers lines, folding multiline headers as defined by RFC +# 2822. +sub fold_headers { + my @headers; + foreach(@_) { + last if /^\s*$/; + if (/^\s+\S/ and @headers) { + chomp($headers[$#headers]); + s/^\s+/ /; + $headers[$#headers] .= $_; + } else { + push(@headers, $_); + } + } + return @headers; +} + +# Invoke the provided CMD with FILE as an argument, which should +# output RFC 2822 email headers. Fold multiline headers and return the +# headers as an array. +sub invoke_header_cmd { + my ($cmd, $file) = @_; + my @lines = execute_cmd("header-cmd", $header_cmd, $file); + return fold_headers(@lines); +} + # Execute a command (e.g. $to_cmd) to get a list of email addresses # and return a results array sub recipients_cmd { diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh index 0de83b5d2b..3393725107 100755 --- a/t/t9001-send-email.sh +++ b/t/t9001-send-email.sh @@ -374,13 +374,16 @@ test_expect_success $PREREQ,!AUTOIDENT 'broken implicit ident aborts send-email' ) ' -test_expect_success $PREREQ 'setup tocmd and cccmd scripts' ' +test_expect_success $PREREQ 'setup cmd scripts' ' write_script tocmd-sed <<-\EOF && sed -n -e "s/^tocmd--//p" "$1" EOF - write_script cccmd-sed <<-\EOF + write_script cccmd-sed <<-\EOF && sed -n -e "s/^cccmd--//p" "$1" EOF + write_script headercmd-sed <<-\EOF + sed -n -e "s/^headercmd--//p" "$1" + EOF ' test_expect_success $PREREQ 'tocmd works' ' @@ -410,6 +413,20 @@ test_expect_success $PREREQ 'cccmd works' ' grep "^ cccmd@example.com" msgtxt1 ' +test_expect_success $PREREQ 'headercmd works' ' + clean_fake_sendmail && + cp $patches headercmd.patch && + echo "headercmd--X-Debbugs-CC: dummy@example.com" >>headercmd.patch && + git send-email \ + --from="Example " \ + --to=nobody@example.com \ + --header-cmd=./headercmd-sed \ + --smtp-server="$(pwd)/fake.sendmail" \ + headercmd.patch \ + && + grep "^X-Debbugs-CC: dummy@example.com" msgtxt1 +' + test_expect_success $PREREQ 'reject long lines' ' z8=zzzzzzzz && z64=$z8$z8$z8$z8$z8$z8$z8$z8 && -- 2.39.2