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git/t/t4028-format-patch-mime-headers.sh
Junio C Hamano 6bf4f1b4c9 format-patch: generate MIME header as needed even when there is format.header
Earlier, the callchain from pretty_print_commit() down to pp_title_line()
had an unwarranted assumption that the presense of "after_subject"
parameter, means the caller has already output MIME headers for
attachments.  The parameter's primary purpose is to give extra header
lines the caller wants to place after pp_title_line() generates the
"Subject: " line.

This assumption does not hold when the user used the format.header
configuration variable to pass extra headers, and caused a message with
non-ASCII character to lack proper MIME headers (e.g.  8-bit CTE header).
The earlier logic also failed to suppress duplicated MIME headers when
"format-patch -s --attach" is asked for and the signer's name demanded
8-bit clean transport.

This patch fixes the logic by introducing a separate need_8bit_cte
parameter passed down the callchain.  This can have one of these values:

 -1 : we've already done MIME crap and we do not want to add extra header
      to say this is 8bit in pp_title_line();

  0 : we haven't done MIME and we have not seen anything that is 8bit yet;

  1 : we haven't done MIME and we have seen something that is 8bit;
      pp_title_line() must add MIME header.

It adds two tests by Jeff King who independently diagnosed this issue.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-03-15 00:06:06 -07:00

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#!/bin/sh
test_description='format-patch mime headers and extra headers do not conflict'
. ./test-lib.sh
test_expect_success 'create commit with utf-8 body' '
echo content >file &&
git add file &&
git commit -m one &&
echo more >>file &&
git commit -a -m "two
utf-8 body: ñ"
'
test_expect_success 'patch has mime headers' '
rm -f 0001-two.patch &&
git format-patch HEAD^ &&
grep -i "content-type: text/plain; charset=utf-8" 0001-two.patch
'
test_expect_success 'patch has mime and extra headers' '
rm -f 0001-two.patch &&
git config format.headers "x-foo: bar" &&
git format-patch HEAD^ &&
grep -i "x-foo: bar" 0001-two.patch &&
grep -i "content-type: text/plain; charset=utf-8" 0001-two.patch
'
test_done