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path: root/t/t4014-format-patch.sh
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#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#
 
test_description='various format-patch tests'
 
. ./test-lib.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 &&
	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 &&
	chmod +x elif &&
	git update-index file elif &&
	git update-index --chmod=+x elif &&
	git commit -m "Side changes #1" &&
 
	for i in D E F; do echo "$i"; done >>file &&
	git update-index file &&
	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 &&
	git commit -m "Side changes #3 with \\n backslash-n in it." &&
 
	git checkout master &&
	git diff-tree -p C2 | git apply --index &&
	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 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 '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
'
 
test_expect_success 'thread' '
 
	rm -rf patches/ &&
	git checkout side &&
	git format-patch --thread -o patches/ master &&
	FIRST_MID=$(grep "Message-Id:" patches/0001-* | sed "s/^[^<]*\(<[^>]*>\).*$/\1/") &&
	for i in patches/0002-* patches/0003-*
	do
	  grep "References: $FIRST_MID" $i &&
	  grep "In-Reply-To: $FIRST_MID" $i || break
	done
'
 
test_expect_success 'thread in-reply-to' '
 
	rm -rf patches/ &&
	git checkout side &&
	git format-patch --in-reply-to="<test.message>" --thread -o patches/ master &&
	FIRST_MID="<test.message>" &&
	for i in patches/*
	do
	  grep "References: $FIRST_MID" $i &&
	  grep "In-Reply-To: $FIRST_MID" $i || break
	done
'
 
test_expect_success 'thread cover-letter' '
 
	rm -rf patches/ &&
	git checkout side &&
	git format-patch --cover-letter --thread -o patches/ master &&
	FIRST_MID=$(grep "Message-Id:" patches/0000-* | sed "s/^[^<]*\(<[^>]*>\).*$/\1/") &&
	for i in patches/0001-* patches/0002-* patches/0003-*
	do
	  grep "References: $FIRST_MID" $i &&
	  grep "In-Reply-To: $FIRST_MID" $i || break
	done
'
 
test_expect_success 'thread cover-letter in-reply-to' '
 
	rm -rf patches/ &&
	git checkout side &&
	git format-patch --cover-letter --in-reply-to="<test.message>" --thread -o patches/ master &&
	FIRST_MID="<test.message>" &&
	for i in patches/*
	do
	  grep "References: $FIRST_MID" $i &&
	  grep "In-Reply-To: $FIRST_MID" $i || break
	done
'
 
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 &&
	! 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
 
'
 
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)' '
	here="$TEST_DIRECTORY/$test" &&
	rm -f 0* &&
	filename=$(
		rm -rf sub &&
		mkdir -p sub/dir &&
		cd sub/dir &&
		git format-patch -1 -o "$here"
	) &&
	basename=$(expr "$filename" : ".*/\(.*\)") &&
	test -f "$basename"
'
 
test_done