#!/bin/sh

global test_description := ''CRLF conversion''

source ./test-lib.sh

proc has_cr {
	tr '\015' Q <$1 | grep Q >/dev/null
}

# add or remove CRs to disk file in-place
# usage: munge_cr <append|remove> <file>
proc munge_cr {
	"$(1)_cr" <$2 >tmp &&
	mv tmp $2
}

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
'

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 &&
	git add doublewarn 2>err &&
	if test_have_prereq C_LOCALE_OUTPUT
	then
		test $(grep "CRLF will be replaced by LF" err | wc -l) = 1
	fi
'


test_expect_success 'safecrlf: git diff demotes safecrlf=true to warn' '
	git config core.autocrlf input &&
	git config core.safecrlf true &&
	git diff HEAD
'


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 &&
	munge_cr append one &&
	munge_cr append dir/two &&
	git update-index -- one dir/two &&
	differs=$(git diff-index --cached HEAD) &&
	verbose test -z "$differs"

'

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 &&
	munge_cr append one &&
	munge_cr append dir/two &&
	git update-index -- one dir/two &&
	differs=$(git diff-index --cached HEAD) &&
	verbose test -z "$differs"

'

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 &&
	munge_cr remove one &&
	munge_cr remove dir/two &&
	git update-index -- one dir/two &&
	test "$one" = $(git hash-object --stdin <one) &&
	test "$two" = $(git hash-object --stdin <dir/two) &&
	differs=$(git diff-index --cached HEAD) &&
	verbose test -z "$differs"
'

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 &&
	test_must_fail has_cr one &&
	test_must_fail has_cr two &&
	git update-index -- one dir/two &&
	test "$one" = $(git hash-object --stdin <one) &&
	test "$two" = $(git hash-object --stdin <dir/two) &&
	differs=$(git diff-index --cached HEAD) &&
	verbose test -z "$differs"
'

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 &&
	verbose test "$patched" = "$(git hash-object --stdin <one)"
'

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 &&
	verbose test "$patched" = $(git rev-parse :one)
'

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 &&
	verbose test "$patched" = $(git rev-parse :one) &&
	verbose test "$patched" = $(git hash-object --stdin <one)
'

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 &&
	verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
'

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 &&
	verbose test "$patched" = $(git rev-parse :one)
'

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 &&
	verbose test "$patched" = $(git rev-parse :one) &&
	verbose test "$patched" = "$(remove_cr <one | git hash-object --stdin)"
'

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 &&

	test_must_fail has_cr dir/two &&
	verbose has_cr one &&
	test_must_fail has_cr three
'

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 &&

	test_must_fail has_cr dir/two
'

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 &&

	verbose has_cr dir/two &&
	verbose has_cr three
'

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 &&

	test_must_fail has_cr one &&
	verbose has_cr three
'

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 &&

	test_must_fail has_cr one &&
	verbose has_cr three
'

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 &&

	test_must_fail has_cr one &&
	verbose has_cr three
'

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 &&

	test_must_fail has_cr one &&
	verbose has_cr three
'

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

'
# Some more tests here to add new autocrlf functionality.
# We want to have a known state here, so start a bit from scratch

test_expect_success 'setting up for new autocrlf tests' '
	git config core.autocrlf false &&
	git config core.safecrlf false &&
	rm -rf .????* * &&
	for w in I am all LF; do echo $w; done >alllf &&
	for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&
	for w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&
	git add -A . &&
	git commit -m "alllf, allcrlf and mixed only" &&
	git tag -a -m "message" autocrlf-checkpoint
'

test_expect_success 'report no change after setting autocrlf' '
	git config core.autocrlf true &&
	touch * &&
	git diff --exit-code
'

test_expect_success 'files are clean after checkout' '
	rm * &&
	git checkout -f &&
	git diff --exit-code
'

proc cr_to_Q_no_NL {
    tr '\015' Q | tr -d '\012'
}

test_expect_success 'LF only file gets CRLF with autocrlf' '
	test "$(cr_to_Q_no_NL < alllf)" = "IQamQallQLFQ"
'

test_expect_success 'Mixed file is still mixed with autocrlf' '
	test "$(cr_to_Q_no_NL < mixed)" = "OhhereisCRLFQintext"
'

test_expect_success 'CRLF only file has CRLF with autocrlf' '
	test "$(cr_to_Q_no_NL < allcrlf)" = "IQamQallQCRLFQ"
'

test_expect_success 'New CRLF file gets LF in repo' '
	tr -d "\015" < alllf | append_cr > alllf2 &&
	git add alllf2 &&
	git commit -m "alllf2 added" &&
	git config core.autocrlf false &&
	rm * &&
	git checkout -f &&
	test_cmp alllf alllf2
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"CRLF conversion">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (FuncDef
      name: has_cr
      body: 
        (BraceGroup
          children: [
            (Pipeline
              children: [
                (SimpleCommand
                  words: [{(tr)} {(SQ <"\\015">)} {(Q)}]
                  redirects: [
                    (Redir
                      op_id: Redir_Less
                      fd: -1
                      arg_word: {(DQ ($ VSub_Number "$1"))}
                      spids: [30]
                    )
                  ]
                )
                (SimpleCommand
                  words: [{(grep)} {(Q)}]
                  redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[41])]
                )
              ]
              negated: False
            )
          ]
          spids: [19]
        )
      spids: [15 18]
    )
    (FuncDef
      name: munge_cr
      body: 
        (BraceGroup
          children: [
            (AndOr
              children: [
                (SimpleCommand
                  words: [{(DQ (${ VSub_Number 1) (_cr))}]
                  redirects: [
                    (Redir
                      op_id: Redir_Less
                      fd: -1
                      arg_word: {(DQ ($ VSub_Number "$2"))}
                      spids: [68]
                    )
                    (Redir op_id:Redir_Great fd:-1 arg_word:{(tmp)} spids:[73])
                  ]
                )
                (C {(mv)} {(tmp)} {(DQ ($ VSub_Number "$2"))})
              ]
              op_id: Op_DAmp
            )
          ]
          spids: [58]
        )
      spids: [53 57]
    )
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf false &&\n"> <"\n"> 
          <"\tfor w in Hello world how are you; do echo $w; done >one &&\n"> <"\tmkdir dir &&\n"> <"\tfor w in I am very very fine thank you; do echo $w; done >dir/two &&\n"> 
          <"\tfor w in Oh here is NULQin text here; do echo $w; done | q_to_nul >three &&\n"> <"\tgit add . &&\n"> <"\n"> <"\tgit commit -m initial &&\n"> <"\n"> 
          <"\tone=$(git rev-parse HEAD:one) &&\n"> <"\tdir=$(git rev-parse HEAD:dir) &&\n"> <"\ttwo=$(git rev-parse HEAD:dir/two) &&\n"> 
          <"\tthree=$(git rev-parse HEAD:three) &&\n"> <"\n"> <"\tfor w in Some extra lines here; do echo $w; done >>one &&\n"> 
          <"\tgit diff >patch.file &&\n"> <"\tpatched=$(git hash-object --stdin <one) &&\n"> <"\tgit read-tree --reset -u HEAD\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: autocrlf=input, all CRLF">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf input &&\n"> 
          <"\tgit config core.safecrlf true &&\n"> <"\n"> <"\tfor w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&\n"> 
          <"\ttest_must_fail git add allcrlf\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: autocrlf=input, mixed LF/CRLF">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf input &&\n"> 
          <"\tgit config core.safecrlf true &&\n"> <"\n"> <"\tfor w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&\n"> 
          <"\ttest_must_fail git add mixed\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: autocrlf=true, all LF">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf true &&\n"> 
          <"\tgit config core.safecrlf true &&\n"> <"\n"> <"\tfor w in I am all LF; do echo $w; done >alllf &&\n"> <"\ttest_must_fail git add alllf\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: autocrlf=true mixed LF/CRLF">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf true &&\n"> 
          <"\tgit config core.safecrlf true &&\n"> <"\n"> <"\tfor w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&\n"> 
          <"\ttest_must_fail git add mixed\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: print warning only once">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf input &&\n"> 
          <"\tgit config core.safecrlf warn &&\n"> <"\n"> <"\tfor w in I am all LF; do echo $w; done >doublewarn &&\n"> <"\tgit add doublewarn &&\n"> 
          <"\tgit commit -m \"nowarn\" &&\n"> <"\tfor w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >doublewarn &&\n"> 
          <"\tgit add doublewarn 2>err &&\n"> <"\tif test_have_prereq C_LOCALE_OUTPUT\n"> <"\tthen\n"> 
          <"\t\ttest $(grep \"CRLF will be replaced by LF\" err | wc -l) = 1\n"> <"\tfi\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"safecrlf: git diff demotes safecrlf=true to warn">)} 
      {
        (SQ <"\n"> <"\tgit config core.autocrlf input &&\n"> <"\tgit config core.safecrlf true &&\n"> 
          <"\tgit diff HEAD\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"switch off autocrlf, safecrlf, reset HEAD">)} 
      {
        (SQ <"\n"> <"\tgit config core.autocrlf false &&\n"> <"\tgit config core.safecrlf false &&\n"> 
          <"\tgit reset --hard HEAD^\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"update with autocrlf=input">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit read-tree --reset -u HEAD &&\n"> <"\tgit config core.autocrlf input &&\n"> <"\tmunge_cr append one &&\n"> 
          <"\tmunge_cr append dir/two &&\n"> <"\tgit update-index -- one dir/two &&\n"> <"\tdiffers=$(git diff-index --cached HEAD) &&\n"> 
          <"\tverbose test -z \"$differs\"\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"update with autocrlf=true">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit read-tree --reset -u HEAD &&\n"> <"\tgit config core.autocrlf true &&\n"> <"\tmunge_cr append one &&\n"> 
          <"\tmunge_cr append dir/two &&\n"> <"\tgit update-index -- one dir/two &&\n"> <"\tdiffers=$(git diff-index --cached HEAD) &&\n"> 
          <"\tverbose test -z \"$differs\"\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout with autocrlf=true">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf true &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\tmunge_cr remove one &&\n"> 
          <"\tmunge_cr remove dir/two &&\n"> <"\tgit update-index -- one dir/two &&\n"> <"\ttest \"$one\" = $(git hash-object --stdin <one) &&\n"> 
          <"\ttest \"$two\" = $(git hash-object --stdin <dir/two) &&\n"> <"\tdiffers=$(git diff-index --cached HEAD) &&\n"> <"\tverbose test -z \"$differs\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout with autocrlf=input">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf input &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\ttest_must_fail has_cr one &&\n"> 
          <"\ttest_must_fail has_cr two &&\n"> <"\tgit update-index -- one dir/two &&\n"> <"\ttest \"$one\" = $(git hash-object --stdin <one) &&\n"> 
          <"\ttest \"$two\" = $(git hash-object --stdin <dir/two) &&\n"> <"\tdiffers=$(git diff-index --cached HEAD) &&\n"> <"\tverbose test -z \"$differs\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch (autocrlf=input)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf input &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply patch.file &&\n"> 
          <"\tverbose test \"$patched\" = \"$(git hash-object --stdin <one)\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch --cached (autocrlf=input)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf input &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply --cached patch.file &&\n"> 
          <"\tverbose test \"$patched\" = $(git rev-parse :one)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch --index (autocrlf=input)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf input &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply --index patch.file &&\n"> 
          <"\tverbose test \"$patched\" = $(git rev-parse :one) &&\n"> <"\tverbose test \"$patched\" = $(git hash-object --stdin <one)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch (autocrlf=true)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf true &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply patch.file &&\n"> 
          <"\tverbose test \"$patched\" = \"$(remove_cr <one | git hash-object --stdin)\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch --cached (autocrlf=true)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf true &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply --cached patch.file &&\n"> 
          <"\tverbose test \"$patched\" = $(git rev-parse :one)\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"apply patch --index (autocrlf=true)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\tgit config core.autocrlf true &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tgit apply --index patch.file &&\n"> 
          <"\tverbose test \"$patched\" = $(git rev-parse :one) &&\n"> <"\tverbose test \"$patched\" = \"$(remove_cr <one | git hash-object --stdin)\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <".gitattributes says two is binary">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\techo \"two -crlf\" >.gitattributes &&\n"> <"\tgit config core.autocrlf true &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> 
          <"\ttest_must_fail has_cr dir/two &&\n"> <"\tverbose has_cr one &&\n"> <"\ttest_must_fail has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <".gitattributes says two is input">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\techo \"two crlf=input\" >.gitattributes &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\ttest_must_fail has_cr dir/two\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <".gitattributes says two and three are text">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -f tmp one dir/two three &&\n"> 
          <"\techo \"t* crlf\" >.gitattributes &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\tverbose has_cr dir/two &&\n"> 
          <"\tverbose has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"in-tree .gitattributes (1)">)} 
      {
        (SQ <"\n"> <"\n"> <"\techo \"one -crlf\" >>.gitattributes &&\n"> 
          <"\tgit add .gitattributes &&\n"> <"\tgit commit -m \"Add .gitattributes\" &&\n"> <"\n"> 
          <"\trm -rf tmp one dir .gitattributes patch.file three &&\n"> <"\tgit read-tree --reset -u HEAD &&\n"> <"\n"> <"\ttest_must_fail has_cr one &&\n"> 
          <"\tverbose has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"in-tree .gitattributes (2)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -rf tmp one dir .gitattributes patch.file three &&\n"> 
          <"\tgit read-tree --reset HEAD &&\n"> <"\tgit checkout-index -f -q -u -a &&\n"> <"\n"> <"\ttest_must_fail has_cr one &&\n"> 
          <"\tverbose has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"in-tree .gitattributes (3)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -rf tmp one dir .gitattributes patch.file three &&\n"> 
          <"\tgit read-tree --reset HEAD &&\n"> <"\tgit checkout-index -u .gitattributes &&\n"> <"\tgit checkout-index -u one dir/two three &&\n"> 
          <"\n"> <"\ttest_must_fail has_cr one &&\n"> <"\tverbose has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"in-tree .gitattributes (4)">)} 
      {
        (SQ <"\n"> <"\n"> <"\trm -rf tmp one dir .gitattributes patch.file three &&\n"> 
          <"\tgit read-tree --reset HEAD &&\n"> <"\tgit checkout-index -u one dir/two three &&\n"> <"\tgit checkout-index -u .gitattributes &&\n"> 
          <"\n"> <"\ttest_must_fail has_cr one &&\n"> <"\tverbose has_cr three\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout with existing .gitattributes">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit config core.autocrlf true &&\n"> 
          <"\tgit config --unset core.safecrlf &&\n"> <"\techo \".file2 -crlfQ\" | q_to_cr >> .gitattributes &&\n"> <"\tgit add .gitattributes &&\n"> 
          <"\tgit commit -m initial &&\n"> <"\techo \".file -crlfQ\" | q_to_cr >> .gitattributes &&\n"> <"\techo \"contents\" > .file &&\n"> 
          <"\tgit add .gitattributes .file &&\n"> <"\tgit commit -m second &&\n"> <"\n"> <"\tgit checkout master~1 &&\n"> <"\tgit checkout master &&\n"> 
          <"\ttest \"$(git diff-files --raw)\" = \"\"\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout when deleting .gitattributes">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit rm .gitattributes &&\n"> 
          <"\techo \"contentsQ\" | q_to_cr > .file2 &&\n"> <"\tgit add .file2 &&\n"> <"\tgit commit -m third &&\n"> <"\n"> <"\tgit checkout master~1 &&\n"> 
          <"\tgit checkout master &&\n"> <"\thas_cr .file2\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"invalid .gitattributes (must not crash)">)} 
      {(SQ <"\n"> <"\n"> <"\techo \"three +crlf\" >>.gitattributes &&\n"> <"\tgit diff\n"> <"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"setting up for new autocrlf tests">)} 
      {
        (SQ <"\n"> <"\tgit config core.autocrlf false &&\n"> <"\tgit config core.safecrlf false &&\n"> 
          <"\trm -rf .????* * &&\n"> <"\tfor w in I am all LF; do echo $w; done >alllf &&\n"> 
          <"\tfor w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed &&\n"> <"\tfor w in I am all CRLF; do echo $w; done | append_cr >allcrlf &&\n"> <"\tgit add -A . &&\n"> 
          <"\tgit commit -m \"alllf, allcrlf and mixed only\" &&\n"> <"\tgit tag -a -m \"message\" autocrlf-checkpoint\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"report no change after setting autocrlf">)} 
      {
        (SQ <"\n"> <"\tgit config core.autocrlf true &&\n"> <"\ttouch * &&\n"> 
          <"\tgit diff --exit-code\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"files are clean after checkout">)} 
      {(SQ <"\n"> <"\trm * &&\n"> <"\tgit checkout -f &&\n"> <"\tgit diff --exit-code\n">)}
    )
    (FuncDef
      name: cr_to_Q_no_NL
      body: 
        (BraceGroup
          children: [
            (Pipeline
              children: [(C {(tr)} {(SQ <"\\015">)} {(Q)}) (C {(tr)} {(-d)} {(SQ <"\\012">)})]
              negated: False
            )
          ]
          spids: [690]
        )
      spids: [685 689]
    )
    (C {(test_expect_success)} {(SQ <"LF only file gets CRLF with autocrlf">)} 
      {(SQ <"\n"> <"\ttest \"$(cr_to_Q_no_NL < alllf)\" = \"IQamQallQLFQ\"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"Mixed file is still mixed with autocrlf">)} 
      {(SQ <"\n"> <"\ttest \"$(cr_to_Q_no_NL < mixed)\" = \"OhhereisCRLFQintext\"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"CRLF only file has CRLF with autocrlf">)} 
      {(SQ <"\n"> <"\ttest \"$(cr_to_Q_no_NL < allcrlf)\" = \"IQamQallQCRLFQ\"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"New CRLF file gets LF in repo">)} 
      {
        (SQ <"\n"> <"\ttr -d \"\\015\" < alllf | append_cr > alllf2 &&\n"> <"\tgit add alllf2 &&\n"> 
          <"\tgit commit -m \"alllf2 added\" &&\n"> <"\tgit config core.autocrlf false &&\n"> <"\trm * &&\n"> <"\tgit checkout -f &&\n"> 
          <"\ttest_cmp alllf alllf2\n">
        )
      }
    )
    (C {(test_done)})
  ]
)