#!/bin/sh

global test_description := ''more git add -u''

source ./test-lib.sh

test_expect_success setup '
	>xyzzy &&
	_empty=$(git hash-object --stdin <xyzzy) &&
	>yomin &&
	>caskly &&
	if test_have_prereq SYMLINKS; then
		ln -s frotz nitfol &&
		T_letter=T
	else
		printf %s frotz > nitfol &&
		T_letter=M
	fi &&
	mkdir rezrov &&
	>rezrov/bozbar &&
	git add caskly xyzzy yomin nitfol rezrov/bozbar &&

	test_tick &&
	git commit -m initial

'

test_expect_success modify '
	rm -f xyzzy yomin nitfol caskly &&
	# caskly disappears (not a submodule)
	mkdir caskly &&
	# nitfol changes from symlink to regular
	>nitfol &&
	# rezrov/bozbar disappears
	rm -fr rezrov &&
	if test_have_prereq SYMLINKS; then
		ln -s xyzzy rezrov
	else
		printf %s xyzzy > rezrov
	fi &&
	# xyzzy disappears (not a submodule)
	mkdir xyzzy &&
	echo gnusto >xyzzy/bozbar &&
	# yomin gets replaced with a submodule
	mkdir yomin &&
	>yomin/yomin &&
	(
		cd yomin &&
		git init &&
		git add yomin &&
		git commit -m "sub initial"
	) &&
	yomin=$(GIT_DIR=yomin/.git git rev-parse HEAD) &&
	# yonk is added and then turned into a submodule
	# this should appear as T in diff-files and as A in diff-index
	>yonk &&
	git add yonk &&
	rm -f yonk &&
	mkdir yonk &&
	>yonk/yonk &&
	(
		cd yonk &&
		git init &&
		git add yonk &&
		git commit -m "sub initial"
	) &&
	yonk=$(GIT_DIR=yonk/.git git rev-parse HEAD) &&
	# zifmia is added and then removed
	# this should appear in diff-files but not in diff-index.
	>zifmia &&
	git add zifmia &&
	rm -f zifmia &&
	mkdir zifmia &&
	{
		git ls-tree -r HEAD |
		sed -e "s/^/:/" -e "
			/	caskly/{
				s/	caskly/ $_z40 D&/
				s/blob/000000/
			}
			/	nitfol/{
				s/	nitfol/ $_z40 $T_letter&/
				s/blob/100644/
			}
			/	rezrov.bozbar/{
				s/	rezrov.bozbar/ $_z40 D&/
				s/blob/000000/
			}
			/	xyzzy/{
				s/	xyzzy/ $_z40 D&/
				s/blob/000000/
			}
			/	yomin/{
			    s/	yomin/ $_z40 T&/
				s/blob/160000/
			}
		"
	} >expect &&
	{
		cat expect
		echo ":100644 160000 $_empty $_z40 T	yonk"
		echo ":100644 000000 $_empty $_z40 D	zifmia"
	} >expect-files &&
	{
		cat expect
		echo ":000000 160000 $_z40 $_z40 A	yonk"
	} >expect-index &&
	{
		echo "100644 $_empty 0	nitfol"
		echo "160000 $yomin 0	yomin"
		echo "160000 $yonk 0	yonk"
	} >expect-final
'

test_expect_success diff-files '
	git diff-files --raw >actual &&
	test_cmp expect-files actual
'

test_expect_success diff-index '
	git diff-index --raw HEAD -- >actual &&
	test_cmp expect-index actual
'

test_expect_success 'add -u' '
	rm -f ".git/saved-index" &&
	cp -p ".git/index" ".git/saved-index" &&
	git add -u &&
	git ls-files -s >actual &&
	test_cmp expect-final actual
'

test_expect_success 'commit -a' '
	if test -f ".git/saved-index"
	then
		rm -f ".git/index" &&
		mv ".git/saved-index" ".git/index"
	fi &&
	git commit -m "second" -a &&
	git ls-files -s >actual &&
	test_cmp expect-final actual &&
	rm -f .git/index &&
	git read-tree HEAD &&
	git ls-files -s >actual &&
	test_cmp expect-final actual
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"more git add -u">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\t>xyzzy &&\n"> <"\t_empty=$(git hash-object --stdin <xyzzy) &&\n"> 
          <"\t>yomin &&\n"> <"\t>caskly &&\n"> <"\tif test_have_prereq SYMLINKS; then\n"> <"\t\tln -s frotz nitfol &&\n"> 
          <"\t\tT_letter=T\n"> <"\telse\n"> <"\t\tprintf %s frotz > nitfol &&\n"> <"\t\tT_letter=M\n"> <"\tfi &&\n"> 
          <"\tmkdir rezrov &&\n"> <"\t>rezrov/bozbar &&\n"> <"\tgit add caskly xyzzy yomin nitfol rezrov/bozbar &&\n"> <"\n"> 
          <"\ttest_tick &&\n"> <"\tgit commit -m initial\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(modify)} 
      {
        (SQ <"\n"> <"\trm -f xyzzy yomin nitfol caskly &&\n"> 
          <"\t# caskly disappears (not a submodule)\n"> <"\tmkdir caskly &&\n"> <"\t# nitfol changes from symlink to regular\n"> <"\t>nitfol &&\n"> 
          <"\t# rezrov/bozbar disappears\n"> <"\trm -fr rezrov &&\n"> <"\tif test_have_prereq SYMLINKS; then\n"> <"\t\tln -s xyzzy rezrov\n"> 
          <"\telse\n"> <"\t\tprintf %s xyzzy > rezrov\n"> <"\tfi &&\n"> <"\t# xyzzy disappears (not a submodule)\n"> 
          <"\tmkdir xyzzy &&\n"> <"\techo gnusto >xyzzy/bozbar &&\n"> <"\t# yomin gets replaced with a submodule\n"> 
          <"\tmkdir yomin &&\n"> <"\t>yomin/yomin &&\n"> <"\t(\n"> <"\t\tcd yomin &&\n"> <"\t\tgit init &&\n"> <"\t\tgit add yomin &&\n"> 
          <"\t\tgit commit -m \"sub initial\"\n"> <"\t) &&\n"> <"\tyomin=$(GIT_DIR=yomin/.git git rev-parse HEAD) &&\n"> 
          <"\t# yonk is added and then turned into a submodule\n"> <"\t# this should appear as T in diff-files and as A in diff-index\n"> <"\t>yonk &&\n"> 
          <"\tgit add yonk &&\n"> <"\trm -f yonk &&\n"> <"\tmkdir yonk &&\n"> <"\t>yonk/yonk &&\n"> <"\t(\n"> <"\t\tcd yonk &&\n"> 
          <"\t\tgit init &&\n"> <"\t\tgit add yonk &&\n"> <"\t\tgit commit -m \"sub initial\"\n"> <"\t) &&\n"> 
          <"\tyonk=$(GIT_DIR=yonk/.git git rev-parse HEAD) &&\n"> <"\t# zifmia is added and then removed\n"> 
          <"\t# this should appear in diff-files but not in diff-index.\n"> <"\t>zifmia &&\n"> <"\tgit add zifmia &&\n"> <"\trm -f zifmia &&\n"> <"\tmkdir zifmia &&\n"> <"\t{\n"> 
          <"\t\tgit ls-tree -r HEAD |\n"> <"\t\tsed -e \"s/^/:/\" -e \"\n"> <"\t\t\t/\tcaskly/{\n"> <"\t\t\t\ts/\tcaskly/ $_z40 D&/\n"> 
          <"\t\t\t\ts/blob/000000/\n"> <"\t\t\t}\n"> <"\t\t\t/\tnitfol/{\n"> <"\t\t\t\ts/\tnitfol/ $_z40 $T_letter&/\n"> 
          <"\t\t\t\ts/blob/100644/\n"> <"\t\t\t}\n"> <"\t\t\t/\trezrov.bozbar/{\n"> <"\t\t\t\ts/\trezrov.bozbar/ $_z40 D&/\n"> 
          <"\t\t\t\ts/blob/000000/\n"> <"\t\t\t}\n"> <"\t\t\t/\txyzzy/{\n"> <"\t\t\t\ts/\txyzzy/ $_z40 D&/\n"> <"\t\t\t\ts/blob/000000/\n"> 
          <"\t\t\t}\n"> <"\t\t\t/\tyomin/{\n"> <"\t\t\t    s/\tyomin/ $_z40 T&/\n"> <"\t\t\t\ts/blob/160000/\n"> <"\t\t\t}\n"> 
          <"\t\t\"\n"> <"\t} >expect &&\n"> <"\t{\n"> <"\t\tcat expect\n"> 
          <"\t\techo \":100644 160000 $_empty $_z40 T\tyonk\"\n"> <"\t\techo \":100644 000000 $_empty $_z40 D\tzifmia\"\n"> <"\t} >expect-files &&\n"> <"\t{\n"> 
          <"\t\tcat expect\n"> <"\t\techo \":000000 160000 $_z40 $_z40 A\tyonk\"\n"> <"\t} >expect-index &&\n"> <"\t{\n"> 
          <"\t\techo \"100644 $_empty 0\tnitfol\"\n"> <"\t\techo \"160000 $yomin 0\tyomin\"\n"> <"\t\techo \"160000 $yonk 0\tyonk\"\n"> 
          <"\t} >expect-final\n">
        )
      }
    )
    (C {(test_expect_success)} {(diff-files)} 
      {(SQ <"\n"> <"\tgit diff-files --raw >actual &&\n"> <"\ttest_cmp expect-files actual\n">)}
    )
    (C {(test_expect_success)} {(diff-index)} 
      {
        (SQ <"\n"> <"\tgit diff-index --raw HEAD -- >actual &&\n"> <"\ttest_cmp expect-index actual\n">)
      }
    )
    (C {(test_expect_success)} {(SQ <"add -u">)} 
      {
        (SQ <"\n"> <"\trm -f \".git/saved-index\" &&\n"> 
          <"\tcp -p \".git/index\" \".git/saved-index\" &&\n"> <"\tgit add -u &&\n"> <"\tgit ls-files -s >actual &&\n"> <"\ttest_cmp expect-final actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"commit -a">)} 
      {
        (SQ <"\n"> <"\tif test -f \".git/saved-index\"\n"> <"\tthen\n"> 
          <"\t\trm -f \".git/index\" &&\n"> <"\t\tmv \".git/saved-index\" \".git/index\"\n"> <"\tfi &&\n"> <"\tgit commit -m \"second\" -a &&\n"> 
          <"\tgit ls-files -s >actual &&\n"> <"\ttest_cmp expect-final actual &&\n"> <"\trm -f .git/index &&\n"> <"\tgit read-tree HEAD &&\n"> 
          <"\tgit ls-files -s >actual &&\n"> <"\ttest_cmp expect-final actual\n">
        )
      }
    )
    (C {(test_done)})
  ]
)