#!/bin/sh

global test_description := ''git mktree''

source ./test-lib.sh

test_expect_success setup '
	for d in a a. a0
	do
		mkdir "$d" && echo "$d/one" >"$d/one" &&
		git add "$d"
	done &&
	echo zero >one &&
	git update-index --add --info-only one &&
	git write-tree --missing-ok >tree.missing &&
	git ls-tree $(cat tree.missing) >top.missing &&
	git ls-tree -r $(cat tree.missing) >all.missing &&
	echo one >one &&
	git add one &&
	git write-tree >tree &&
	git ls-tree $(cat tree) >top &&
	git ls-tree -r $(cat tree) >all &&
	test_tick &&
	git commit -q -m one &&
	H=$(git rev-parse HEAD) &&
	git update-index --add --cacheinfo 160000 $H sub &&
	test_tick &&
	git commit -q -m two &&
	git rev-parse HEAD^{tree} >tree.withsub &&
	git ls-tree HEAD >top.withsub &&
	git ls-tree -r HEAD >all.withsub
'

test_expect_success 'ls-tree piped to mktree (1)' '
	git mktree <top >actual &&
	test_cmp tree actual
'

test_expect_success 'ls-tree piped to mktree (2)' '
	git mktree <top.withsub >actual &&
	test_cmp tree.withsub actual
'

test_expect_success 'ls-tree output in wrong order given to mktree (1)' '
	perl -e "print reverse <>" <top |
	git mktree >actual &&
	test_cmp tree actual
'

test_expect_success 'ls-tree output in wrong order given to mktree (2)' '
	perl -e "print reverse <>" <top.withsub |
	git mktree >actual &&
	test_cmp tree.withsub actual
'

test_expect_success 'allow missing object with --missing' '
	git mktree --missing <top.missing >actual &&
	test_cmp tree.missing actual
'

test_expect_success 'mktree refuses to read ls-tree -r output (1)' '
	test_must_fail git mktree <all >actual
'

test_expect_success 'mktree refuses to read ls-tree -r output (2)' '
	test_must_fail git mktree <all.withsub >actual
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"git mktree">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\tfor d in a a. a0\n"> <"\tdo\n"> 
          <"\t\tmkdir \"$d\" && echo \"$d/one\" >\"$d/one\" &&\n"> <"\t\tgit add \"$d\"\n"> <"\tdone &&\n"> <"\techo zero >one &&\n"> 
          <"\tgit update-index --add --info-only one &&\n"> <"\tgit write-tree --missing-ok >tree.missing &&\n"> 
          <"\tgit ls-tree $(cat tree.missing) >top.missing &&\n"> <"\tgit ls-tree -r $(cat tree.missing) >all.missing &&\n"> <"\techo one >one &&\n"> 
          <"\tgit add one &&\n"> <"\tgit write-tree >tree &&\n"> <"\tgit ls-tree $(cat tree) >top &&\n"> 
          <"\tgit ls-tree -r $(cat tree) >all &&\n"> <"\ttest_tick &&\n"> <"\tgit commit -q -m one &&\n"> <"\tH=$(git rev-parse HEAD) &&\n"> 
          <"\tgit update-index --add --cacheinfo 160000 $H sub &&\n"> <"\ttest_tick &&\n"> <"\tgit commit -q -m two &&\n"> <"\tgit rev-parse HEAD^{tree} >tree.withsub &&\n"> 
          <"\tgit ls-tree HEAD >top.withsub &&\n"> <"\tgit ls-tree -r HEAD >all.withsub\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"ls-tree piped to mktree (1)">)} 
      {(SQ <"\n"> <"\tgit mktree <top >actual &&\n"> <"\ttest_cmp tree actual\n">)}
    )
    (C {(test_expect_success)} {(SQ <"ls-tree piped to mktree (2)">)} 
      {(SQ <"\n"> <"\tgit mktree <top.withsub >actual &&\n"> <"\ttest_cmp tree.withsub actual\n">)}
    )
    (C {(test_expect_success)} {(SQ <"ls-tree output in wrong order given to mktree (1)">)} 
      {
        (SQ <"\n"> <"\tperl -e \"print reverse <>\" <top |\n"> <"\tgit mktree >actual &&\n"> 
          <"\ttest_cmp tree actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"ls-tree output in wrong order given to mktree (2)">)} 
      {
        (SQ <"\n"> <"\tperl -e \"print reverse <>\" <top.withsub |\n"> <"\tgit mktree >actual &&\n"> 
          <"\ttest_cmp tree.withsub actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"allow missing object with --missing">)} 
      {
        (SQ <"\n"> <"\tgit mktree --missing <top.missing >actual &&\n"> 
          <"\ttest_cmp tree.missing actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"mktree refuses to read ls-tree -r output (1)">)} 
      {(SQ <"\n"> <"\ttest_must_fail git mktree <all >actual\n">)}
    )
    (C {(test_expect_success)} {(SQ <"mktree refuses to read ls-tree -r output (2)">)} 
      {(SQ <"\n"> <"\ttest_must_fail git mktree <all.withsub >actual\n">)}
    )
    (C {(test_done)})
  ]
)