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path: root/t/t0020-crlf.sh
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#!/bin/sh
 
test_description='CRLF conversion'
 
. ./test-lib.sh
 
has_cr() {
	tr '\015' Q <"$1" | grep Q >/dev/null
}
 
test_expect_success setup '
 
	git config core.autocrlf false &&
 
	for w in Hello world how are you; do echo $w; done >one &&
	mkdir dir &&
	for w in I am very very fine thank you; do echo $w; done >dir/two &&
	for w in Oh here is NULQin text here; do echo $w; done | q_to_nul >three &&
	git add . &&
 
	git commit -m initial &&
 
	one=`git rev-parse HEAD:one` &&
	dir=`git rev-parse HEAD:dir` &&
	two=`git rev-parse HEAD:dir/two` &&
	three=`git rev-parse HEAD:three` &&
 
	for w in Some extra lines here; do echo $w; done >>one &&
	git diff >patch.file &&
	patched=`git hash-object --stdin <one` &&
	git read-tree --reset -u HEAD &&
 
	echo happy.
'
 
test_expect_success 'safecrlf: autocrlf=input, all CRLF' '
 
	git config core.autocrlf input &&
	git config core.safecrlf true &&
 
	for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
	test_must_fail git add allcrlf
'
 
test_expect_success 'safecrlf: autocrlf=input, mixed LF/CRLF' '
 
	git config core.autocrlf input &&
	git config core.safecrlf true &&
 
	for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
	test_must_fail git add mixed
'
 
test_expect_success 'safecrlf: autocrlf=true, all LF' '
 
	git config core.autocrlf true &&
	git config core.safecrlf true &&
 
	for w in I am all LF; do echo $w; done >alllf &&
	test_must_fail git add alllf
'
 
test_expect_success 'safecrlf: autocrlf=true mixed LF/CRLF' '
 
	git config core.autocrlf true &&
	git config core.safecrlf true &&
 
	for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
	test_must_fail git add mixed
'
 
test_expect_success 'safecrlf: print warning only once' '
 
	git config core.autocrlf input &&
	git config core.safecrlf warn &&
 
	for w in I am all LF; do echo $w; done >doublewarn &&
	git add doublewarn &&
	git commit -m "nowarn" &&
	for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&
	test $(git add doublewarn 2>&1 | grep "CRLF will be replaced by LF" | wc -l) = 1
'
 
test_expect_success 'switch off autocrlf, safecrlf, reset HEAD' '
	git config core.autocrlf false &&
	git config core.safecrlf false &&
	git reset --hard HEAD^
'
 
test_expect_success 'update with autocrlf=input' '
 
	rm -f tmp one dir/two three &&
	git read-tree --reset -u HEAD &&
	git config core.autocrlf input &&
 
	for f in one dir/two
	do
		append_cr <$f >tmp && mv -f tmp $f &&
		git update-index -- $f || {
			echo Oops
			false
			break
		}
	done &&
 
	differs=`git diff-index --cached HEAD` &&
	test -z "$differs" || {
		echo Oops "$differs"
		false
	}
 
'
 
test_expect_success 'update with autocrlf=true' '
 
	rm -f tmp one dir/two three &&
	git read-tree --reset -u HEAD &&
	git config core.autocrlf true &&
 
	for f in one dir/two
	do
		append_cr <$f >tmp && mv -f tmp $f &&
		git update-index -- $f || {
			echo "Oops $f"
			false
			break
		}
	done &&
 
	differs=`git diff-index --cached HEAD` &&
	test -z "$differs" || {
		echo Oops "$differs"
		false
	}
 
'
 
test_expect_success 'checkout with autocrlf=true' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf true &&
	git read-tree --reset -u HEAD &&
 
	for f in one dir/two
	do
		remove_cr <"$f" >tmp && mv -f tmp $f &&
		git update-index -- $f || {
			echo "Eh? $f"
			false
			break
		}
	done &&
	test "$one" = `git hash-object --stdin <one` &&
	test "$two" = `git hash-object --stdin <dir/two` &&
	differs=`git diff-index --cached HEAD` &&
	test -z "$differs" || {
		echo Oops "$differs"
		false
	}
'
 
test_expect_success 'checkout with autocrlf=input' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf input &&
	git read-tree --reset -u HEAD &&
 
	for f in one dir/two
	do
		if has_cr "$f"
		then
			echo "Eh? $f"
			false
			break
		else
			git update-index -- $f
		fi
	done &&
	test "$one" = `git hash-object --stdin <one` &&
	test "$two" = `git hash-object --stdin <dir/two` &&
	differs=`git diff-index --cached HEAD` &&
	test -z "$differs" || {
		echo Oops "$differs"
		false
	}
'
 
test_expect_success 'apply patch (autocrlf=input)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf input &&
	git read-tree --reset -u HEAD &&
 
	git apply patch.file &&
	test "$patched" = "`git hash-object --stdin <one`" || {
		echo "Eh?  apply without index"
		false
	}
'
 
test_expect_success 'apply patch --cached (autocrlf=input)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf input &&
	git read-tree --reset -u HEAD &&
 
	git apply --cached patch.file &&
	test "$patched" = `git rev-parse :one` || {
		echo "Eh?  apply with --cached"
		false
	}
'
 
test_expect_success 'apply patch --index (autocrlf=input)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf input &&
	git read-tree --reset -u HEAD &&
 
	git apply --index patch.file &&
	test "$patched" = `git rev-parse :one` &&
	test "$patched" = `git hash-object --stdin <one` || {
		echo "Eh?  apply with --index"
		false
	}
'
 
test_expect_success 'apply patch (autocrlf=true)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf true &&
	git read-tree --reset -u HEAD &&
 
	git apply patch.file &&
	test "$patched" = "`remove_cr <one | git hash-object --stdin`" || {
		echo "Eh?  apply without index"
		false
	}
'
 
test_expect_success 'apply patch --cached (autocrlf=true)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf true &&
	git read-tree --reset -u HEAD &&
 
	git apply --cached patch.file &&
	test "$patched" = `git rev-parse :one` || {
		echo "Eh?  apply without index"
		false
	}
'
 
test_expect_success 'apply patch --index (autocrlf=true)' '
 
	rm -f tmp one dir/two three &&
	git config core.autocrlf true &&
	git read-tree --reset -u HEAD &&
 
	git apply --index patch.file &&
	test "$patched" = `git rev-parse :one` &&
	test "$patched" = "`remove_cr <one | git hash-object --stdin`" || {
		echo "Eh?  apply with --index"
		false
	}
'
 
test_expect_success '.gitattributes says two is binary' '
 
	rm -f tmp one dir/two three &&
	echo "two -crlf" >.gitattributes &&
	git config core.autocrlf true &&
	git read-tree --reset -u HEAD &&
 
	if has_cr dir/two
	then
		echo "Huh?"
		false
	else
		: happy
	fi &&
 
	if has_cr one
	then
		: happy
	else
		echo "Huh?"
		false
	fi &&
 
	if has_cr three
	then
		echo "Huh?"
		false
	else
		: happy
	fi
'
 
test_expect_success '.gitattributes says two is input' '
 
	rm -f tmp one dir/two three &&
	echo "two crlf=input" >.gitattributes &&
	git read-tree --reset -u HEAD &&
 
	if has_cr dir/two
	then
		echo "Huh?"
		false
	else
		: happy
	fi
'
 
test_expect_success '.gitattributes says two and three are text' '
 
	rm -f tmp one dir/two three &&
	echo "t* crlf" >.gitattributes &&
	git read-tree --reset -u HEAD &&
 
	if has_cr dir/two
	then
		: happy
	else
		echo "Huh?"
		false
	fi &&
 
	if has_cr three
	then
		: happy
	else
		echo "Huh?"
		false
	fi
'
 
test_expect_success 'in-tree .gitattributes (1)' '
 
	echo "one -crlf" >>.gitattributes &&
	git add .gitattributes &&
	git commit -m "Add .gitattributes" &&
 
	rm -rf tmp one dir .gitattributes patch.file three &&
	git read-tree --reset -u HEAD &&
 
	if has_cr one
	then
		echo "Eh? one should not have CRLF"
		false
	else
		: happy
	fi &&
	has_cr three || {
		echo "Eh? three should still have CRLF"
		false
	}
'
 
test_expect_success 'in-tree .gitattributes (2)' '
 
	rm -rf tmp one dir .gitattributes patch.file three &&
	git read-tree --reset HEAD &&
	git checkout-index -f -q -u -a &&
 
	if has_cr one
	then
		echo "Eh? one should not have CRLF"
		false
	else
		: happy
	fi &&
	has_cr three || {
		echo "Eh? three should still have CRLF"
		false
	}
'
 
test_expect_success 'in-tree .gitattributes (3)' '
 
	rm -rf tmp one dir .gitattributes patch.file three &&
	git read-tree --reset HEAD &&
	git checkout-index -u .gitattributes &&
	git checkout-index -u one dir/two three &&
 
	if has_cr one
	then
		echo "Eh? one should not have CRLF"
		false
	else
		: happy
	fi &&
	has_cr three || {
		echo "Eh? three should still have CRLF"
		false
	}
'
 
test_expect_success 'in-tree .gitattributes (4)' '
 
	rm -rf tmp one dir .gitattributes patch.file three &&
	git read-tree --reset HEAD &&
	git checkout-index -u one dir/two three &&
	git checkout-index -u .gitattributes &&
 
	if has_cr one
	then
		echo "Eh? one should not have CRLF"
		false
	else
		: happy
	fi &&
	has_cr three || {
		echo "Eh? three should still have CRLF"
		false
	}
'
 
test_expect_success 'checkout with existing .gitattributes' '
 
	git config core.autocrlf true &&
	git config --unset core.safecrlf &&
	echo ".file2 -crlfQ" | q_to_cr >> .gitattributes &&
	git add .gitattributes &&
	git commit -m initial &&
	echo ".file -crlfQ" | q_to_cr >> .gitattributes &&
	echo "contents" > .file &&
	git add .gitattributes .file &&
	git commit -m second &&
 
	git checkout master~1 &&
	git checkout master &&
	test "$(git diff-files --raw)" = ""
 
'
 
test_expect_success 'checkout when deleting .gitattributes' '
 
	git rm .gitattributes &&
	echo "contentsQ" | q_to_cr > .file2 &&
	git add .file2 &&
	git commit -m third
 
	git checkout master~1 &&
	git checkout master &&
	has_cr .file2
 
'
 
test_expect_success 'invalid .gitattributes (must not crash)' '
 
	echo "three +crlf" >>.gitattributes &&
	git diff
 
'
 
test_done