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9553d2b263
In older versions of git, we used rfc822 header folding to
indicate that the original subject line had multiple lines
in it. But since a1f6baa (format-patch: wrap long header
lines, 2011-02-23), we now use header folding whenever there
is a long line.
This means that "git am" cannot trust header folding as a
sign from format-patch that newlines should be preserved.
Instead, format-patch needs to signal more explicitly that
the newlines are significant. This patch does so by
rfc2047-encoding the newlines in the subject line. No
changes are needed on the "git am" end; it already decodes
the newlines properly.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
78 lines
2.0 KiB
Bash
Executable File
78 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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test_description='test subject preservation with format-patch | am'
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. ./test-lib.sh
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make_patches() {
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type=$1
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subject=$2
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test_expect_success "create patches with $type subject" '
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git reset --hard baseline &&
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echo $type >file &&
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git commit -a -m "$subject" &&
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git format-patch -1 --stdout >$type.patch &&
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git format-patch -1 --stdout -k >$type-k.patch
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'
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}
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check_subject() {
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git reset --hard baseline &&
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git am $2 $1.patch &&
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git log -1 --pretty=format:%B >actual &&
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test_cmp expect actual
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}
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test_expect_success 'setup baseline commit' '
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test_commit baseline file
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'
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SHORT_SUBJECT='short subject'
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make_patches short "$SHORT_SUBJECT"
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LONG_SUBJECT1='this is a long subject that is virtually guaranteed'
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LONG_SUBJECT2='to require wrapping via format-patch if it is all'
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LONG_SUBJECT3='going to appear on a single line'
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LONG_SUBJECT="$LONG_SUBJECT1 $LONG_SUBJECT2 $LONG_SUBJECT3"
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make_patches long "$LONG_SUBJECT"
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MULTILINE_SUBJECT="$LONG_SUBJECT1
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$LONG_SUBJECT2
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$LONG_SUBJECT3"
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make_patches multiline "$MULTILINE_SUBJECT"
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echo "$SHORT_SUBJECT" >expect
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test_expect_success 'short subject preserved (format-patch | am)' '
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check_subject short
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'
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test_expect_success 'short subject preserved (format-patch -k | am)' '
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check_subject short-k
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'
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test_expect_success 'short subject preserved (format-patch -k | am -k)' '
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check_subject short-k -k
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'
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echo "$LONG_SUBJECT" >expect
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test_expect_success 'long subject preserved (format-patch | am)' '
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check_subject long
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'
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test_expect_success 'long subject preserved (format-patch -k | am)' '
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check_subject long-k
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'
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test_expect_success 'long subject preserved (format-patch -k | am -k)' '
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check_subject long-k -k
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'
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echo "$LONG_SUBJECT" >expect
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test_expect_success 'multiline subject unwrapped (format-patch | am)' '
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check_subject multiline
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'
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test_expect_success 'multiline subject unwrapped (format-patch -k | am)' '
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check_subject multiline-k
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'
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echo "$MULTILINE_SUBJECT" >expect
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test_expect_success 'multiline subject preserved (format-patch -k | am -k)' '
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check_subject multiline-k -k
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'
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test_done
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