From c89e32414516e906520e9bdd809560971eb52ef5 Mon Sep 17 00:00:00 2001
From: Felipe Contreras <felipe.contreras@gmail.com>
Date: Thu, 26 Nov 2009 21:04:29 +0200
Subject: send-email: automatic envelope sender

This adds the option to specify the envelope sender as "auto" which
would pick the 'from' address. This is good because now we can specify
the address only in one place in $HOME/.gitconfig and change it easily.

[jc: added tests]

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index 767cf4d..118c902 100644
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -108,9 +108,10 @@ Sending
 --envelope-sender=<address>::
 	Specify the envelope sender used to send the emails.
 	This is useful if your default address is not the address that is
-	subscribed to a list. If you use the sendmail binary, you must have
-	suitable privileges for the -f parameter. Default is the value of
-	the 'sendemail.envelopesender' configuration variable; if that is
+	subscribed to a list. In order to use the 'From' address, set the
+	value to "auto". If you use the sendmail binary, you must have
+	suitable privileges for the -f parameter.  Default is the value of the
+	'sendemail.envelopesender' configuration variable; if that is
 	unspecified, choosing the envelope sender is left to your MTA.
 
 --smtp-encryption=<encryption>::
diff --git a/git-send-email.perl b/git-send-email.perl
index f5ba4e7..9f44e29 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -861,7 +861,9 @@ X-Mailer: git-send-email $gitversion
 
 	my @sendmail_parameters = ('-i', @recipients);
 	my $raw_from = $sanitized_sender;
-	$raw_from = $envelope_sender if (defined $envelope_sender);
+	if (defined $envelope_sender && $envelope_sender ne "auto") {
+		$raw_from = $envelope_sender;
+	}
 	$raw_from = extract_valid_address($raw_from);
 	unshift (@sendmail_parameters,
 			'-f', $raw_from) if(defined $envelope_sender);
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 0164629..c23ea0f 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -112,6 +112,23 @@ test_expect_success \
     'Verify commandline' \
     'test_cmp expected commandline1'
 
+test_expect_success 'Send patches with --envelope-sender=auto' '
+    clean_fake_sendmail &&
+     git send-email --envelope-sender=auto --suppress-cc=sob --from="Example <nobody@example.com>" --to=nobody@example.com --smtp-server="$(pwd)/fake.sendmail" $patches 2>errors
+'
+
+cat >expected <<\EOF
+!nobody@example.com!
+!-i!
+!nobody@example.com!
+!author@example.com!
+!one@example.com!
+!two@example.com!
+EOF
+test_expect_success \
+    'Verify commandline' \
+    'test_cmp expected commandline1'
+
 cat >expected-show-all-headers <<\EOF
 0001-Second.patch
 (mbox) Adding cc: A <author@example.com> from line 'From: A <author@example.com>'
-- 
cgit v0.10.2-6-g49f6