#!/bin/sh

global test_description := ''sparse checkout scope tests''

source ./test-lib.sh

test_expect_success 'setup' '
	echo "initial" >a &&
	echo "initial" >b &&
	echo "initial" >c &&
	git add a b c &&
	git commit -m "initial commit"
'

test_expect_success 'create feature branch' '
	git checkout -b feature &&
	echo "modified" >b &&
	echo "modified" >c &&
	git add b c &&
	git commit -m "modification"
'

test_expect_success 'perform sparse checkout of master' '
	git config --local --bool core.sparsecheckout true &&
	echo "!/*" >.git/info/sparse-checkout &&
	echo "/a" >>.git/info/sparse-checkout &&
	echo "/c" >>.git/info/sparse-checkout &&
	git checkout master &&
	test_path_is_file a &&
	test_path_is_missing b &&
	test_path_is_file c
'

test_expect_success 'merge feature branch into sparse checkout of master' '
	git merge feature &&
	test_path_is_file a &&
	test_path_is_missing b &&
	test_path_is_file c &&
	test "$(cat c)" = "modified"
'

test_expect_success 'return to full checkout of master' '
	git checkout feature &&
	echo "/*" >.git/info/sparse-checkout &&
	git checkout master &&
	test_path_is_file a &&
	test_path_is_file b &&
	test_path_is_file c &&
	test "$(cat b)" = "modified"
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"sparse checkout scope tests">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <"\n"> <"\techo \"initial\" >a &&\n"> <"\techo \"initial\" >b &&\n"> 
          <"\techo \"initial\" >c &&\n"> <"\tgit add a b c &&\n"> <"\tgit commit -m \"initial commit\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"create feature branch">)} 
      {
        (SQ <"\n"> <"\tgit checkout -b feature &&\n"> <"\techo \"modified\" >b &&\n"> 
          <"\techo \"modified\" >c &&\n"> <"\tgit add b c &&\n"> <"\tgit commit -m \"modification\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"perform sparse checkout of master">)} 
      {
        (SQ <"\n"> <"\tgit config --local --bool core.sparsecheckout true &&\n"> 
          <"\techo \"!/*\" >.git/info/sparse-checkout &&\n"> <"\techo \"/a\" >>.git/info/sparse-checkout &&\n"> <"\techo \"/c\" >>.git/info/sparse-checkout &&\n"> 
          <"\tgit checkout master &&\n"> <"\ttest_path_is_file a &&\n"> <"\ttest_path_is_missing b &&\n"> <"\ttest_path_is_file c\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"merge feature branch into sparse checkout of master">)} 
      {
        (SQ <"\n"> <"\tgit merge feature &&\n"> <"\ttest_path_is_file a &&\n"> 
          <"\ttest_path_is_missing b &&\n"> <"\ttest_path_is_file c &&\n"> <"\ttest \"$(cat c)\" = \"modified\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"return to full checkout of master">)} 
      {
        (SQ <"\n"> <"\tgit checkout feature &&\n"> <"\techo \"/*\" >.git/info/sparse-checkout &&\n"> 
          <"\tgit checkout master &&\n"> <"\ttest_path_is_file a &&\n"> <"\ttest_path_is_file b &&\n"> <"\ttest_path_is_file c &&\n"> 
          <"\ttest \"$(cat b)\" = \"modified\"\n">
        )
      }
    )
    (C {(test_done)})
  ]
)