"git format-patch --attach/--inline" generates multi-part messages.
Every part of such messages can contain non-ASCII characters with its own
"Content-Type" and "Content-Transfer-Encoding" headers.
But git-send-mail script interprets a patch-file as one-part message
and does not recognize multi-part messages.
So already quoted printable email subject may be encoded as quoted printable
again. Due to this bug email subject looks corrupted in email clients.
Signed-off-by: Alexey Shumkin <zapped@xxxxxxx>
---
git-send-email.perl | 5 +++
t/t9001-send-email.sh | 66 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/git-send-email.perl b/git-send-email.perl
index 98ab33a..1abf4a4 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1403,12 +1403,17 @@ sub file_has_nonascii {
sub body_or_subject_has_nonascii {
my $fn = shift;
+ my $multipart = 0;
open(my $fh, '<', $fn)
or die "unable to open $fn: $!\n";
while (my $line = <$fh>) {
last if $line =~ /^$/;
+ if ($line =~ /^Content-Type:\s*multipart\/mixed.*$/) {
+ $multipart = 1;
+ }
return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
}
+ return 0 if $multipart;
while (my $line = <$fh>) {
return 1 if $line =~ /[^[:ascii:]]/;
}
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 579ddb7..151ad35 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -1168,4 +1168,70 @@ test_expect_success $PREREQ '--force sends cover letter template anyway' '
test -n "$(ls msgtxt*)"
'
+test_expect_success $PREREQ 'setup multi-part message' '
+cat >multi-part-email-using-8bit <<EOF
+From fe6ecc66ece37198fe5db91fa2fc41d9f4fe5cc4 Mon Sep 17 00:00:00 2001
+Message-Id: <bogus-message-id@xxxxxxxxxxx>
+From: author@xxxxxxxxxxx
+Date: Sat, 12 Jun 2010 15:53:58 +0200
+Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=20?=
+ =?UTF-8?q?=D1=84=D0=B0=D0=B9=D0=BB?=
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="------------123"
+
+This is a multi-part message in MIME format.
+--------------1.7.6.3.4.gf71f
+Content-Type: text/plain; charset=UTF-8; format=fixed
+Content-Transfer-Encoding: 8bit
+
+This is a message created with "git format-patch --attach=123"
+---
+ master | 1 +
+ файл | 1 +
+ 2 files changed, 2 insertions(+), 0 deletions(-)
+ create mode 100644 master
+ create mode 100644 файл
+
+
+--------------123
+Content-Type: text/x-patch; name="0001-.patch"
+Content-Transfer-Encoding: 8bit
+Content-Disposition: attachment; filename="0001-.patch"
+
+diff --git a/master b/master
+new file mode 100644
+index 0000000..1f7391f
+--- /dev/null
++++ b/master
+@@ -0,0 +1 @@
++master
+diff --git a/файл b/файл
+new file mode 100644
+index 0000000..44e5cfe
+--- /dev/null
++++ b/файл
+@@ -0,0 +1 @@
++содержимое файла
+
+--------------123--
+EOF
+'
+
+test_expect_success $PREREQ 'setup expect' '
+cat >expected <<EOF
+Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=20?= =?UTF-8?q?=D1=84=D0=B0=D0=B9=D0=BB?=
+EOF
+'
+
+test_expect_success $PREREQ '--attach/--inline also treats subject' '
+ clean_fake_sendmail &&
+ echo bogus |
+ git send-email --from=author@xxxxxxxxxxx --to=nobody@xxxxxxxxxxx \
+ --smtp-server="$(pwd)/fake.sendmail" \
+ --8bit-encoding=UTF-8 \
+ multi-part-email-using-8bit >stdout &&
+ grep "Subject" msgtxt1 >actual &&
+ test_cmp expected actual
+'
+
test_done
--
1.7.6.3.4.gf71f
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