#!/bin/sh

global test_description := ''Basic subproject functionality''
source ./test-lib.sh

test_expect_success 'setup: create superproject' '
	: >Makefile &&
	git add Makefile &&
	git commit -m "Superproject created"
'

test_expect_success 'setup: create subprojects' '
	mkdir sub1 &&
	( cd sub1 && git init && : >Makefile && git add * &&
	git commit -q -m "subproject 1" ) &&
	mkdir sub2 &&
	( cd sub2 && git init && : >Makefile && git add * &&
	git commit -q -m "subproject 2" ) &&
	git update-index --add sub1 &&
	git add sub2 &&
	git commit -q -m "subprojects added" &&
	git diff-tree --abbrev=5 HEAD^ HEAD |cut -d" " -f-3,5- >current &&
	git branch save HEAD &&
	cat >expected <<-\EOF &&
	:000000 160000 00000... A	sub1
	:000000 160000 00000... A	sub2
	EOF
	test_cmp expected current
'

test_expect_success 'check if fsck ignores the subprojects' '
	git fsck --full
'

test_expect_success 'check if commit in a subproject detected' '
	( cd sub1 &&
	echo "all:" >>Makefile &&
	echo "	true" >>Makefile &&
	git commit -q -a -m "make all" ) &&
	test_expect_code 1 git diff-files --exit-code
'

test_expect_success 'check if a changed subproject HEAD can be committed' '
	git commit -q -a -m "sub1 changed" &&
	test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD
'

test_expect_success 'check if diff-index works for subproject elements' '
	test_expect_code 1 git diff-index --exit-code --cached save -- sub1
'

test_expect_success 'check if diff-tree works for subproject elements' '
	test_expect_code 1 git diff-tree --exit-code HEAD^ HEAD -- sub1
'

test_expect_success 'check if git diff works for subproject elements' '
	test_expect_code 1 git diff --exit-code HEAD^ HEAD
'

test_expect_success 'check if clone works' '
	git ls-files -s >expected &&
	git clone -l -s . cloned &&
	( cd cloned && git ls-files -s ) >current &&
	test_cmp expected current
'

test_expect_success 'removing and adding subproject' '
	git update-index --force-remove -- sub2 &&
	mv sub2 sub3 &&
	git add sub3 &&
	git commit -q -m "renaming a subproject" &&
	test_expect_code 1 git diff -M --name-status --exit-code HEAD^ HEAD
'

# the index must contain the object name the HEAD of the
# subproject sub1 was at the point "save"
test_expect_success 'checkout in superproject' '
	git checkout save &&
	git diff-index --exit-code --raw --cached save -- sub1
'

# just interesting what happened...
# git diff --name-status -M save master

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"Basic subproject functionality">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(SQ <"setup: create superproject">)} 
      {
        (SQ <"\n"> <"\t: >Makefile &&\n"> <"\tgit add Makefile &&\n"> 
          <"\tgit commit -m \"Superproject created\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"setup: create subprojects">)} 
      {
        (SQ <"\n"> <"\tmkdir sub1 &&\n"> <"\t( cd sub1 && git init && : >Makefile && git add * &&\n"> 
          <"\tgit commit -q -m \"subproject 1\" ) &&\n"> <"\tmkdir sub2 &&\n"> <"\t( cd sub2 && git init && : >Makefile && git add * &&\n"> 
          <"\tgit commit -q -m \"subproject 2\" ) &&\n"> <"\tgit update-index --add sub1 &&\n"> <"\tgit add sub2 &&\n"> 
          <"\tgit commit -q -m \"subprojects added\" &&\n"> <"\tgit diff-tree --abbrev=5 HEAD^ HEAD |cut -d\" \" -f-3,5- >current &&\n"> 
          <"\tgit branch save HEAD &&\n"> <"\tcat >expected <<-\\EOF &&\n"> <"\t:000000 160000 00000... A\tsub1\n"> 
          <"\t:000000 160000 00000... A\tsub2\n"> <"\tEOF\n"> <"\ttest_cmp expected current\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"check if fsck ignores the subprojects">)} 
      {(SQ <"\n"> <"\tgit fsck --full\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check if commit in a subproject detected">)} 
      {
        (SQ <"\n"> <"\t( cd sub1 &&\n"> <"\techo \"all:\" >>Makefile &&\n"> 
          <"\techo \"\ttrue\" >>Makefile &&\n"> <"\tgit commit -q -a -m \"make all\" ) &&\n"> <"\ttest_expect_code 1 git diff-files --exit-code\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"check if a changed subproject HEAD can be committed">)} 
      {
        (SQ <"\n"> <"\tgit commit -q -a -m \"sub1 changed\" &&\n"> 
          <"\ttest_expect_code 1 git diff-tree --exit-code HEAD^ HEAD\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"check if diff-index works for subproject elements">)} 
      {(SQ <"\n"> <"\ttest_expect_code 1 git diff-index --exit-code --cached save -- sub1\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check if diff-tree works for subproject elements">)} 
      {(SQ <"\n"> <"\ttest_expect_code 1 git diff-tree --exit-code HEAD^ HEAD -- sub1\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check if git diff works for subproject elements">)} 
      {(SQ <"\n"> <"\ttest_expect_code 1 git diff --exit-code HEAD^ HEAD\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check if clone works">)} 
      {
        (SQ <"\n"> <"\tgit ls-files -s >expected &&\n"> <"\tgit clone -l -s . cloned &&\n"> 
          <"\t( cd cloned && git ls-files -s ) >current &&\n"> <"\ttest_cmp expected current\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"removing and adding subproject">)} 
      {
        (SQ <"\n"> <"\tgit update-index --force-remove -- sub2 &&\n"> <"\tmv sub2 sub3 &&\n"> 
          <"\tgit add sub3 &&\n"> <"\tgit commit -q -m \"renaming a subproject\" &&\n"> 
          <"\ttest_expect_code 1 git diff -M --name-status --exit-code HEAD^ HEAD\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout in superproject">)} 
      {
        (SQ <"\n"> <"\tgit checkout save &&\n"> 
          <"\tgit diff-index --exit-code --raw --cached save -- sub1\n">
        )
      }
    )
    (C {(test_done)})
  ]
)