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-rwxr-xr-xt/t4014-format-patch.sh894
1 files changed, 894 insertions, 0 deletions
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
new file mode 100755
index 0000000..959aa26
--- /dev/null
+++ b/t/t4014-format-patch.sh
@@ -0,0 +1,894 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='various format-patch tests'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-terminal.sh
+
+test_expect_success setup '
+
+ for i in 1 2 3 4 5 6 7 8 9 10; do echo "$i"; done >file &&
+ cat file >elif &&
+ git add file elif &&
+ test_tick &&
+ git commit -m Initial &&
+ git checkout -b side &&
+
+ for i in 1 2 5 6 A B C 7 8 9 10; do echo "$i"; done >file &&
+ test_chmod +x elif &&
+ test_tick &&
+ git commit -m "Side changes #1" &&
+
+ for i in D E F; do echo "$i"; done >>file &&
+ git update-index file &&
+ test_tick &&
+ git commit -m "Side changes #2" &&
+ git tag C2 &&
+
+ for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file &&
+ git update-index file &&
+ test_tick &&
+ git commit -m "Side changes #3 with \\n backslash-n in it." &&
+
+ git checkout master &&
+ git diff-tree -p C2 | git apply --index &&
+ test_tick &&
+ git commit -m "Master accepts moral equivalent of #2"
+
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream" '
+
+ git format-patch --stdout master..side >patch0 &&
+ cnt=`grep "^From " patch0 | wc -l` &&
+ test $cnt = 3
+
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream" '
+
+ git format-patch --stdout \
+ --ignore-if-in-upstream master..side >patch1 &&
+ cnt=`grep "^From " patch1 | wc -l` &&
+ test $cnt = 2
+
+'
+
+test_expect_success "format-patch doesn't consider merge commits" '
+
+ git checkout -b slave master &&
+ echo "Another line" >>file &&
+ test_tick &&
+ git commit -am "Slave change #1" &&
+ echo "Yet another line" >>file &&
+ test_tick &&
+ git commit -am "Slave change #2" &&
+ git checkout -b merger master &&
+ test_tick &&
+ git merge --no-ff slave &&
+ cnt=`git format-patch -3 --stdout | grep "^From " | wc -l` &&
+ test $cnt = 3
+'
+
+test_expect_success "format-patch result applies" '
+
+ git checkout -b rebuild-0 master &&
+ git am -3 patch0 &&
+ cnt=`git rev-list master.. | wc -l` &&
+ test $cnt = 2
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream result applies" '
+
+ git checkout -b rebuild-1 master &&
+ git am -3 patch1 &&
+ cnt=`git rev-list master.. | wc -l` &&
+ test $cnt = 2
+'
+
+test_expect_success 'commit did not screw up the log message' '
+
+ git cat-file commit side | grep "^Side .* with .* backslash-n"
+
+'
+
+test_expect_success 'format-patch did not screw up the log message' '
+
+ grep "^Subject: .*Side changes #3 with .* backslash-n" patch0 &&
+ grep "^Subject: .*Side changes #3 with .* backslash-n" patch1
+
+'
+
+test_expect_success 'replay did not screw up the log message' '
+
+ git cat-file commit rebuild-1 | grep "^Side .* with .* backslash-n"
+
+'
+
+test_expect_success 'extra headers' '
+
+ git config format.headers "To: R. E. Cipient <rcipient@example.com>
+" &&
+ git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>
+" &&
+ git format-patch --stdout master..side > patch2 &&
+ sed -e "/^\$/q" patch2 > hdrs2 &&
+ grep "^To: R. E. Cipient <rcipient@example.com>\$" hdrs2 &&
+ grep "^Cc: S. E. Cipient <scipient@example.com>\$" hdrs2
+
+'
+
+test_expect_success 'extra headers without newlines' '
+
+ git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
+ git config --add format.headers "Cc: S. E. Cipient <scipient@example.com>" &&
+ git format-patch --stdout master..side >patch3 &&
+ sed -e "/^\$/q" patch3 > hdrs3 &&
+ grep "^To: R. E. Cipient <rcipient@example.com>\$" hdrs3 &&
+ grep "^Cc: S. E. Cipient <scipient@example.com>\$" hdrs3
+
+'
+
+test_expect_success 'extra headers with multiple To:s' '
+
+ git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
+ git config --add format.headers "To: S. E. Cipient <scipient@example.com>" &&
+ git format-patch --stdout master..side > patch4 &&
+ sed -e "/^\$/q" patch4 > hdrs4 &&
+ grep "^To: R. E. Cipient <rcipient@example.com>,\$" hdrs4 &&
+ grep "^ *S. E. Cipient <scipient@example.com>\$" hdrs4
+'
+
+test_expect_success 'additional command line cc' '
+
+ git config --replace-all format.headers "Cc: R. E. Cipient <rcipient@example.com>" &&
+ git format-patch --cc="S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch5 &&
+ grep "^Cc: R. E. Cipient <rcipient@example.com>,\$" patch5 &&
+ grep "^ *S. E. Cipient <scipient@example.com>\$" patch5
+'
+
+test_expect_success 'command line headers' '
+
+ git config --unset-all format.headers &&
+ git format-patch --add-header="Cc: R. E. Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch6 &&
+ grep "^Cc: R. E. Cipient <rcipient@example.com>\$" patch6
+'
+
+test_expect_success 'configuration headers and command line headers' '
+
+ git config --replace-all format.headers "Cc: R. E. Cipient <rcipient@example.com>" &&
+ git format-patch --add-header="Cc: S. E. Cipient <scipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch7 &&
+ grep "^Cc: R. E. Cipient <rcipient@example.com>,\$" patch7 &&
+ grep "^ *S. E. Cipient <scipient@example.com>\$" patch7
+'
+
+test_expect_success 'command line To: header' '
+
+ git config --unset-all format.headers &&
+ git format-patch --to="R. E. Cipient <rcipient@example.com>" --stdout master..side | sed -e "/^\$/q" >patch8 &&
+ grep "^To: R. E. Cipient <rcipient@example.com>\$" patch8
+'
+
+test_expect_success 'configuration To: header' '
+
+ git config format.to "R. E. Cipient <rcipient@example.com>" &&
+ git format-patch --stdout master..side | sed -e "/^\$/q" >patch9 &&
+ grep "^To: R. E. Cipient <rcipient@example.com>\$" patch9
+'
+
+# check_patch <patch>: Verify that <patch> looks like a half-sane
+# patch email to avoid a false positive with !grep
+check_patch () {
+ grep -e "^From:" "$1" &&
+ grep -e "^Date:" "$1" &&
+ grep -e "^Subject:" "$1"
+}
+
+test_expect_success '--no-to overrides config.to' '
+
+ git config --replace-all format.to \
+ "R. E. Cipient <rcipient@example.com>" &&
+ git format-patch --no-to --stdout master..side |
+ sed -e "/^\$/q" >patch10 &&
+ check_patch patch10 &&
+ ! grep "^To: R. E. Cipient <rcipient@example.com>\$" patch10
+'
+
+test_expect_success '--no-to and --to replaces config.to' '
+
+ git config --replace-all format.to \
+ "Someone <someone@out.there>" &&
+ git format-patch --no-to --to="Someone Else <else@out.there>" \
+ --stdout master..side |
+ sed -e "/^\$/q" >patch11 &&
+ check_patch patch11 &&
+ ! grep "^To: Someone <someone@out.there>\$" patch11 &&
+ grep "^To: Someone Else <else@out.there>\$" patch11
+'
+
+test_expect_success '--no-cc overrides config.cc' '
+
+ git config --replace-all format.cc \
+ "C. E. Cipient <rcipient@example.com>" &&
+ git format-patch --no-cc --stdout master..side |
+ sed -e "/^\$/q" >patch12 &&
+ check_patch patch12 &&
+ ! grep "^Cc: C. E. Cipient <rcipient@example.com>\$" patch12
+'
+
+test_expect_success '--no-add-header overrides config.headers' '
+
+ git config --replace-all format.headers \
+ "Header1: B. E. Cipient <rcipient@example.com>" &&
+ git format-patch --no-add-header --stdout master..side |
+ sed -e "/^\$/q" >patch13 &&
+ check_patch patch13 &&
+ ! grep "^Header1: B. E. Cipient <rcipient@example.com>\$" patch13
+'
+
+test_expect_success 'multiple files' '
+
+ rm -rf patches/ &&
+ git checkout side &&
+ git format-patch -o patches/ master &&
+ ls patches/0001-Side-changes-1.patch patches/0002-Side-changes-2.patch patches/0003-Side-changes-3-with-n-backslash-n-in-it.patch
+'
+
+check_threading () {
+ expect="$1" &&
+ shift &&
+ (git format-patch --stdout "$@"; echo $? > status.out) |
+ # Prints everything between the Message-ID and In-Reply-To,
+ # and replaces all Message-ID-lookalikes by a sequence number
+ "$PERL_PATH" -ne '
+ if (/^(message-id|references|in-reply-to)/i) {
+ $printing = 1;
+ } elsif (/^\S/) {
+ $printing = 0;
+ }
+ if ($printing) {
+ $h{$1}=$i++ if (/<([^>]+)>/ and !exists $h{$1});
+ for $k (keys %h) {s/$k/$h{$k}/};
+ print;
+ }
+ print "---\n" if /^From /i;
+ ' > actual &&
+ test 0 = "$(cat status.out)" &&
+ test_cmp "$expect" actual
+}
+
+cat >> expect.no-threading <<EOF
+---
+---
+---
+EOF
+
+test_expect_success 'no threading' '
+ git checkout side &&
+ check_threading expect.no-threading master
+'
+
+cat > expect.thread <<EOF
+---
+Message-Id: <0>
+---
+Message-Id: <1>
+In-Reply-To: <0>
+References: <0>
+---
+Message-Id: <2>
+In-Reply-To: <0>
+References: <0>
+EOF
+
+test_expect_success 'thread' '
+ check_threading expect.thread --thread master
+'
+
+cat > expect.in-reply-to <<EOF
+---
+Message-Id: <0>
+In-Reply-To: <1>
+References: <1>
+---
+Message-Id: <2>
+In-Reply-To: <1>
+References: <1>
+---
+Message-Id: <3>
+In-Reply-To: <1>
+References: <1>
+EOF
+
+test_expect_success 'thread in-reply-to' '
+ check_threading expect.in-reply-to --in-reply-to="<test.message>" \
+ --thread master
+'
+
+cat > expect.cover-letter <<EOF
+---
+Message-Id: <0>
+---
+Message-Id: <1>
+In-Reply-To: <0>
+References: <0>
+---
+Message-Id: <2>
+In-Reply-To: <0>
+References: <0>
+---
+Message-Id: <3>
+In-Reply-To: <0>
+References: <0>
+EOF
+
+test_expect_success 'thread cover-letter' '
+ check_threading expect.cover-letter --cover-letter --thread master
+'
+
+cat > expect.cl-irt <<EOF
+---
+Message-Id: <0>
+In-Reply-To: <1>
+References: <1>
+---
+Message-Id: <2>
+In-Reply-To: <0>
+References: <1>
+ <0>
+---
+Message-Id: <3>
+In-Reply-To: <0>
+References: <1>
+ <0>
+---
+Message-Id: <4>
+In-Reply-To: <0>
+References: <1>
+ <0>
+EOF
+
+test_expect_success 'thread cover-letter in-reply-to' '
+ check_threading expect.cl-irt --cover-letter \
+ --in-reply-to="<test.message>" --thread master
+'
+
+test_expect_success 'thread explicit shallow' '
+ check_threading expect.cl-irt --cover-letter \
+ --in-reply-to="<test.message>" --thread=shallow master
+'
+
+cat > expect.deep <<EOF
+---
+Message-Id: <0>
+---
+Message-Id: <1>
+In-Reply-To: <0>
+References: <0>
+---
+Message-Id: <2>
+In-Reply-To: <1>
+References: <0>
+ <1>
+EOF
+
+test_expect_success 'thread deep' '
+ check_threading expect.deep --thread=deep master
+'
+
+cat > expect.deep-irt <<EOF
+---
+Message-Id: <0>
+In-Reply-To: <1>
+References: <1>
+---
+Message-Id: <2>
+In-Reply-To: <0>
+References: <1>
+ <0>
+---
+Message-Id: <3>
+In-Reply-To: <2>
+References: <1>
+ <0>
+ <2>
+EOF
+
+test_expect_success 'thread deep in-reply-to' '
+ check_threading expect.deep-irt --thread=deep \
+ --in-reply-to="<test.message>" master
+'
+
+cat > expect.deep-cl <<EOF
+---
+Message-Id: <0>
+---
+Message-Id: <1>
+In-Reply-To: <0>
+References: <0>
+---
+Message-Id: <2>
+In-Reply-To: <1>
+References: <0>
+ <1>
+---
+Message-Id: <3>
+In-Reply-To: <2>
+References: <0>
+ <1>
+ <2>
+EOF
+
+test_expect_success 'thread deep cover-letter' '
+ check_threading expect.deep-cl --cover-letter --thread=deep master
+'
+
+cat > expect.deep-cl-irt <<EOF
+---
+Message-Id: <0>
+In-Reply-To: <1>
+References: <1>
+---
+Message-Id: <2>
+In-Reply-To: <0>
+References: <1>
+ <0>
+---
+Message-Id: <3>
+In-Reply-To: <2>
+References: <1>
+ <0>
+ <2>
+---
+Message-Id: <4>
+In-Reply-To: <3>
+References: <1>
+ <0>
+ <2>
+ <3>
+EOF
+
+test_expect_success 'thread deep cover-letter in-reply-to' '
+ check_threading expect.deep-cl-irt --cover-letter \
+ --in-reply-to="<test.message>" --thread=deep master
+'
+
+test_expect_success 'thread via config' '
+ test_config format.thread true &&
+ check_threading expect.thread master
+'
+
+test_expect_success 'thread deep via config' '
+ test_config format.thread deep &&
+ check_threading expect.deep master
+'
+
+test_expect_success 'thread config + override' '
+ test_config format.thread deep &&
+ check_threading expect.thread --thread master
+'
+
+test_expect_success 'thread config + --no-thread' '
+ test_config format.thread deep &&
+ check_threading expect.no-threading --no-thread master
+'
+
+test_expect_success 'excessive subject' '
+
+ rm -rf patches/ &&
+ git checkout side &&
+ for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >>file &&
+ git update-index file &&
+ git commit -m "This is an excessively long subject line for a message due to the habit some projects have of not having a short, one-line subject at the start of the commit message, but rather sticking a whole paragraph right at the start as the only thing in the commit message. It had better not become the filename for the patch." &&
+ git format-patch -o patches/ master..side &&
+ ls patches/0004-This-is-an-excessively-long-subject-line-for-a-messa.patch
+'
+
+test_expect_success 'cover-letter inherits diff options' '
+
+ git mv file foo &&
+ git commit -m foo &&
+ git format-patch --cover-letter -1 &&
+ check_patch 0000-cover-letter.patch &&
+ ! grep "file => foo .* 0 *\$" 0000-cover-letter.patch &&
+ git format-patch --cover-letter -1 -M &&
+ grep "file => foo .* 0 *\$" 0000-cover-letter.patch
+
+'
+
+cat > expect << EOF
+ This is an excessively long subject line for a message due to the
+ habit some projects have of not having a short, one-line subject at
+ the start of the commit message, but rather sticking a whole
+ paragraph right at the start as the only thing in the commit
+ message. It had better not become the filename for the patch.
+ foo
+
+EOF
+
+test_expect_success 'shortlog of cover-letter wraps overly-long onelines' '
+
+ git format-patch --cover-letter -2 &&
+ sed -e "1,/A U Thor/d" -e "/^\$/q" < 0000-cover-letter.patch > output &&
+ test_cmp expect output
+
+'
+
+cat > expect << EOF
+index 40f36c6..2dc5c23 100644
+--- a/file
++++ b/file
+@@ -13,4 +13,20 @@ C
+ 10
+ D
+ E
+ F
++5
+EOF
+
+test_expect_success 'format-patch respects -U' '
+
+ git format-patch -U4 -2 &&
+ sed -e "1,/^diff/d" -e "/^+5/q" \
+ <0001-This-is-an-excessively-long-subject-line-for-a-messa.patch \
+ >output &&
+ test_cmp expect output
+
+'
+
+cat > expect << EOF
+
+diff --git a/file b/file
+index 40f36c6..2dc5c23 100644
+--- a/file
++++ b/file
+@@ -14,3 +14,19 @@ C
+ D
+ E
+ F
++5
+EOF
+
+test_expect_success 'format-patch -p suppresses stat' '
+
+ git format-patch -p -2 &&
+ sed -e "1,/^\$/d" -e "/^+5/q" < 0001-This-is-an-excessively-long-subject-line-for-a-messa.patch > output &&
+ test_cmp expect output
+
+'
+
+test_expect_success 'format-patch from a subdirectory (1)' '
+ filename=$(
+ rm -rf sub &&
+ mkdir -p sub/dir &&
+ cd sub/dir &&
+ git format-patch -1
+ ) &&
+ case "$filename" in
+ 0*)
+ ;; # ok
+ *)
+ echo "Oops? $filename"
+ false
+ ;;
+ esac &&
+ test -f "$filename"
+'
+
+test_expect_success 'format-patch from a subdirectory (2)' '
+ filename=$(
+ rm -rf sub &&
+ mkdir -p sub/dir &&
+ cd sub/dir &&
+ git format-patch -1 -o ..
+ ) &&
+ case "$filename" in
+ ../0*)
+ ;; # ok
+ *)
+ echo "Oops? $filename"
+ false
+ ;;
+ esac &&
+ basename=$(expr "$filename" : ".*/\(.*\)") &&
+ test -f "sub/$basename"
+'
+
+test_expect_success 'format-patch from a subdirectory (3)' '
+ rm -f 0* &&
+ filename=$(
+ rm -rf sub &&
+ mkdir -p sub/dir &&
+ cd sub/dir &&
+ git format-patch -1 -o "$TRASH_DIRECTORY"
+ ) &&
+ basename=$(expr "$filename" : ".*/\(.*\)") &&
+ test -f "$basename"
+'
+
+test_expect_success 'format-patch --in-reply-to' '
+ git format-patch -1 --stdout --in-reply-to "baz@foo.bar" > patch8 &&
+ grep "^In-Reply-To: <baz@foo.bar>" patch8 &&
+ grep "^References: <baz@foo.bar>" patch8
+'
+
+test_expect_success 'format-patch --signoff' '
+ git format-patch -1 --signoff --stdout |
+ grep "^Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+'
+
+echo "fatal: --name-only does not make sense" > expect.name-only
+echo "fatal: --name-status does not make sense" > expect.name-status
+echo "fatal: --check does not make sense" > expect.check
+
+test_expect_success 'options no longer allowed for format-patch' '
+ test_must_fail git format-patch --name-only 2> output &&
+ test_i18ncmp expect.name-only output &&
+ test_must_fail git format-patch --name-status 2> output &&
+ test_i18ncmp expect.name-status output &&
+ test_must_fail git format-patch --check 2> output &&
+ test_i18ncmp expect.check output'
+
+test_expect_success 'format-patch --numstat should produce a patch' '
+ git format-patch --numstat --stdout master..side > output &&
+ test 6 = $(grep "^diff --git a/" output | wc -l)'
+
+test_expect_success 'format-patch -- <path>' '
+ git format-patch master..side -- file 2>error &&
+ ! grep "Use .--" error
+'
+
+test_expect_success 'format-patch --ignore-if-in-upstream HEAD' '
+ git format-patch --ignore-if-in-upstream HEAD
+'
+
+test_expect_success 'format-patch --signature' '
+ git format-patch --stdout --signature="my sig" -1 >output &&
+ grep "my sig" output
+'
+
+test_expect_success 'format-patch with format.signature config' '
+ git config format.signature "config sig" &&
+ git format-patch --stdout -1 >output &&
+ grep "config sig" output
+'
+
+test_expect_success 'format-patch --signature overrides format.signature' '
+ git config format.signature "config sig" &&
+ git format-patch --stdout --signature="overrides" -1 >output &&
+ ! grep "config sig" output &&
+ grep "overrides" output
+'
+
+test_expect_success 'format-patch --no-signature ignores format.signature' '
+ git config format.signature "config sig" &&
+ git format-patch --stdout --signature="my sig" --no-signature \
+ -1 >output &&
+ check_patch output &&
+ ! grep "config sig" output &&
+ ! grep "my sig" output &&
+ ! grep "^-- \$" output
+'
+
+test_expect_success 'format-patch --signature --cover-letter' '
+ git config --unset-all format.signature &&
+ git format-patch --stdout --signature="my sig" --cover-letter \
+ -1 >output &&
+ grep "my sig" output &&
+ test 2 = $(grep "my sig" output | wc -l)
+'
+
+test_expect_success 'format.signature="" supresses signatures' '
+ git config format.signature "" &&
+ git format-patch --stdout -1 >output &&
+ check_patch output &&
+ ! grep "^-- \$" output
+'
+
+test_expect_success 'format-patch --no-signature supresses signatures' '
+ git config --unset-all format.signature &&
+ git format-patch --stdout --no-signature -1 >output &&
+ check_patch output &&
+ ! grep "^-- \$" output
+'
+
+test_expect_success 'format-patch --signature="" supresses signatures' '
+ git format-patch --stdout --signature="" -1 >output &&
+ check_patch output &&
+ ! grep "^-- \$" output
+'
+
+test_expect_success TTY 'format-patch --stdout paginates' '
+ rm -f pager_used &&
+ (
+ GIT_PAGER="wc >pager_used" &&
+ export GIT_PAGER &&
+ test_terminal git format-patch --stdout --all
+ ) &&
+ test_path_is_file pager_used
+'
+
+ test_expect_success TTY 'format-patch --stdout pagination can be disabled' '
+ rm -f pager_used &&
+ (
+ GIT_PAGER="wc >pager_used" &&
+ export GIT_PAGER &&
+ test_terminal git --no-pager format-patch --stdout --all &&
+ test_terminal git -c "pager.format-patch=false" format-patch --stdout --all
+ ) &&
+ test_path_is_missing pager_used &&
+ test_path_is_missing .git/pager_used
+'
+
+test_expect_success 'format-patch handles multi-line subjects' '
+ rm -rf patches/ &&
+ echo content >>file &&
+ for i in one two three; do echo $i; done >msg &&
+ git add file &&
+ git commit -F msg &&
+ git format-patch -o patches -1 &&
+ grep ^Subject: patches/0001-one.patch >actual &&
+ echo "Subject: [PATCH] one two three" >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'format-patch handles multi-line encoded subjects' '
+ rm -rf patches/ &&
+ echo content >>file &&
+ for i in en två tre; do echo $i; done >msg &&
+ git add file &&
+ git commit -F msg &&
+ git format-patch -o patches -1 &&
+ grep ^Subject: patches/0001-en.patch >actual &&
+ echo "Subject: [PATCH] =?UTF-8?q?en=20tv=C3=A5=20tre?=" >expect &&
+ test_cmp expect actual
+'
+
+M8="foo bar "
+M64=$M8$M8$M8$M8$M8$M8$M8$M8
+M512=$M64$M64$M64$M64$M64$M64$M64$M64
+cat >expect <<'EOF'
+Subject: [PATCH] foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
+ bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
+ foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
+ bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
+ foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
+ bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
+ foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo
+ bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar
+ foo bar foo bar foo bar foo bar
+EOF
+test_expect_success 'format-patch wraps extremely long headers (ascii)' '
+ echo content >>file &&
+ git add file &&
+ git commit -m "$M512" &&
+ git format-patch --stdout -1 >patch &&
+ sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
+ test_cmp expect subject
+'
+
+M8="föö bar "
+M64=$M8$M8$M8$M8$M8$M8$M8$M8
+M512=$M64$M64$M64$M64$M64$M64$M64$M64
+cat >expect <<'EOF'
+Subject: [PATCH] =?UTF-8?q?f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?=
+ =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?=
+EOF
+test_expect_success 'format-patch wraps extremely long headers (rfc2047)' '
+ rm -rf patches/ &&
+ echo content >>file &&
+ git add file &&
+ git commit -m "$M512" &&
+ git format-patch --stdout -1 >patch &&
+ sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject &&
+ test_cmp expect subject
+'
+
+M8="foo_bar_"
+M64=$M8$M8$M8$M8$M8$M8$M8$M8
+cat >expect <<EOF
+From: $M64
+ <foobar@foo.bar>
+EOF
+test_expect_success 'format-patch wraps non-quotable headers' '
+ rm -rf patches/ &&
+ echo content >>file &&
+ git add file &&
+ git commit -mfoo --author "$M64 <foobar@foo.bar>" &&
+ git format-patch --stdout -1 >patch &&
+ sed -n "/^From: /p; /^ /p; /^$/q" <patch >from &&
+ test_cmp expect from
+'
+
+check_author() {
+ echo content >>file &&
+ git add file &&
+ GIT_AUTHOR_NAME=$1 git commit -m author-check &&
+ git format-patch --stdout -1 >patch &&
+ grep ^From: patch >actual &&
+ test_cmp expect actual
+}
+
+cat >expect <<'EOF'
+From: "Foo B. Bar" <author@example.com>
+EOF
+test_expect_success 'format-patch quotes dot in headers' '
+ check_author "Foo B. Bar"
+'
+
+cat >expect <<'EOF'
+From: "Foo \"The Baz\" Bar" <author@example.com>
+EOF
+test_expect_success 'format-patch quotes double-quote in headers' '
+ check_author "Foo \"The Baz\" Bar"
+'
+
+cat >expect <<'EOF'
+From: =?UTF-8?q?"F=C3=B6o=20B.=20Bar"?= <author@example.com>
+EOF
+test_expect_success 'rfc2047-encoded headers also double-quote 822 specials' '
+ check_author "Föo B. Bar"
+'
+
+cat >expect <<'EOF'
+Subject: header with . in it
+EOF
+test_expect_success 'subject lines do not have 822 atom-quoting' '
+ echo content >>file &&
+ git add file &&
+ git commit -m "header with . in it" &&
+ git format-patch -k -1 --stdout >patch &&
+ grep ^Subject: patch >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+Subject: [PREFIX 1/1] header with . in it
+EOF
+test_expect_success 'subject prefixes have space prepended' '
+ git format-patch -n -1 --stdout --subject-prefix=PREFIX >patch &&
+ grep ^Subject: patch >actual &&
+ test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+Subject: [1/1] header with . in it
+EOF
+test_expect_success 'empty subject prefix does not have extra space' '
+ git format-patch -n -1 --stdout --subject-prefix= >patch &&
+ grep ^Subject: patch >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'format patch ignores color.ui' '
+ test_unconfig color.ui &&
+ git format-patch --stdout -1 >expect &&
+ test_config color.ui always &&
+ git format-patch --stdout -1 >actual &&
+ test_cmp expect actual
+'
+
+test_done