The commit "git-send-email: introduce compose-encoding" introduced
the compose-encoding option to specify the introduction email encoding
(--compose option), but the email Subject encoding was still hardcoded
to UTF-8.

Signed-off-by: Krzysztof Mazur <krzys...@podlesie.net>
---
Patch against km/send-email-compose-encoding
(commit 62e0069056ed11294c29bae25df69b6518f6339e). Cleanly applies to current
next (commit 291341ca77d902dc76e204a3fc498a155f0ab75d)

 git-send-email.perl   |  8 ++++----
 t/t9001-send-email.sh | 14 ++++++++++++++
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/git-send-email.perl b/git-send-email.perl
index 107e814..adcb4e3 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -636,15 +636,15 @@ EOT
        my $need_8bit_cte = file_has_nonascii($compose_filename);
        my $in_body = 0;
        my $summary_empty = 1;
+       if (!defined $compose_encoding) {
+               $compose_encoding = "UTF-8";
+       }
        while(<$c>) {
                next if m/^GIT:/;
                if ($in_body) {
                        $summary_empty = 0 unless (/^\n$/);
                } elsif (/^\n$/) {
                        $in_body = 1;
-                       if (!defined $compose_encoding) {
-                               $compose_encoding = "UTF-8";
-                       }
                        if ($need_8bit_cte) {
                                print $c2 "MIME-Version: 1.0\n",
                                         "Content-Type: text/plain; ",
@@ -658,7 +658,7 @@ EOT
                        my $subject = $initial_subject;
                        $_ = "Subject: " .
                                ($subject =~ /[^[:ascii:]]/ ?
-                                quote_rfc2047($subject) :
+                                quote_rfc2047($subject, $compose_encoding) :
                                 $subject) .
                                "\n";
                } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 265ae04..89fceda 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -909,6 +909,20 @@ test_expect_success $PREREQ '--compose-encoding overrides 
sendemail.composeencod
        grep "^Content-Type: text/plain; charset=iso-8859-2" msgtxt1
 '
 
+test_expect_success $PREREQ '--compose-encoding adds correct MIME for subject' 
'
+       clean_fake_sendmail &&
+         GIT_EDITOR="\"$(pwd)/fake-editor\"" \
+         git send-email \
+         --compose-encoding iso-8859-2 \
+         --compose --subject utf8-sübjëct \
+         --from="Example <nob...@example.com>" \
+         --to=nob...@example.com \
+         --smtp-server="$(pwd)/fake.sendmail" \
+         $patches &&
+       grep "^fake edit" msgtxt1 &&
+       grep "^Subject: =?iso-8859-2?q?utf8-s=C3=BCbj=C3=ABct?=" msgtxt1
+'
+
 test_expect_success $PREREQ 'detects ambiguous reference/file conflict' '
        echo master > master &&
        git add master &&
-- 
1.8.0.2.g35080e9

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