1 files changed, 439 insertions, 0 deletions
diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
new file mode 100755
index 0000000000..2bfeac986e
--- /dev/null
+++ b/t/t0020-crlf.sh
@@ -0,0 +1,439 @@
+#!/bin/sh
+
+test_description='CRLF conversion'
+
+. ./test-lib.sh
+
+q_to_nul () {
+	perl -pe 'y/Q/\000/'
+}
+
+q_to_cr () {
+	tr Q '\015'
+}
+
+append_cr () {
+	sed -e 's/$/Q/' | tr Q '\015'
+}
+
+remove_cr () {
+	tr '\015' Q <"$1" | grep Q >/dev/null &&
+	tr '\015' Q <"$1" | sed -ne 's/Q$//p'
+}
+
+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 &&
+	! 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 &&
+	! 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 &&
+	! 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 &&
+	! 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 "$differs"
+		false
+	}
+'
+
+test_expect_success 'checkout with autocrlf=input' '
+
+	rm -f tmp one dir/two three &&
+	git config core.autocrlf input &&
+	git read-tree --reset -u HEAD &&
+
+	for f in one dir/two
+	do
+		if remove_cr "$f" >/dev/null
+		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 remove_cr dir/two >/dev/null
+	then
+		echo "Huh?"
+		false
+	else
+		: happy
+	fi &&
+
+	if remove_cr one >/dev/null
+	then
+		: happy
+	else
+		echo "Huh?"
+		false
+	fi &&
+
+	if remove_cr three >/dev/null
+	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 remove_cr dir/two >/dev/null
+	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 remove_cr dir/two >/dev/null
+	then
+		: happy
+	else
+		echo "Huh?"
+		false
+	fi &&
+
+	if remove_cr three >/dev/null
+	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 remove_cr one >/dev/null
+	then
+		echo "Eh? one should not have CRLF"
+		false
+	else
+		: happy
+	fi &&
+	remove_cr three >/dev/null || {
+		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 remove_cr one >/dev/null
+	then
+		echo "Eh? one should not have CRLF"
+		false
+	else
+		: happy
+	fi &&
+	remove_cr three >/dev/null || {
+		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 remove_cr one >/dev/null
+	then
+		echo "Eh? one should not have CRLF"
+		false
+	else
+		: happy
+	fi &&
+	remove_cr three >/dev/null || {
+		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 remove_cr one >/dev/null
+	then
+		echo "Eh? one should not have CRLF"
+		false
+	else
+		: happy
+	fi &&
+	remove_cr three >/dev/null || {
+		echo "Eh? three should still have CRLF"
+		false
+	}
+'
+
+test_expect_success 'invalid .gitattributes (must not crash)' '
+
+	echo "three +crlf" >>.gitattributes &&
+	git diff
+
+'
+
+test_done