#!/bin/sh

test_description='Intent to add'

. ./test-lib.sh

test_expect_success 'intent to add' '
        echo hello >file &&
        echo hello >elif &&
        git add -N file &&
        git add elif
'

test_expect_success 'check result of "add -N"' '
        git ls-files -s file >actual &&
        empty=$(git hash-object --stdin </dev/null) &&
        echo "100644 $empty 0   file" >expect &&
        test_cmp expect actual
'

test_expect_success 'intent to add is just an ordinary empty blob' '
        git add -u &&
        git ls-files -s file >actual &&
        git ls-files -s elif | sed -e "s/elif/file/" >expect &&
        test_cmp expect actual
'

test_expect_success 'intent to add does not clobber existing paths' '
        git add -N file elif &&
        empty=$(git hash-object --stdin </dev/null) &&
        git ls-files -s >actual &&
        ! grep "$empty" actual
'

test_expect_success 'i-t-a entry is simply ignored' '
        test_tick &&
        git commit -a -m initial &&
        git reset --hard &&

        echo xyzzy >rezrov &&
        echo frotz >nitfol &&
        git add rezrov &&
        git add -N nitfol &&
        git commit -m second &&
        test $(git ls-tree HEAD -- nitfol | wc -l) = 0 &&
        test $(git diff --name-only HEAD -- nitfol | wc -l) = 1
'

test_expect_success 'can commit with an unrelated i-t-a entry in index' '
        git reset --hard &&
        echo bozbar >rezrov &&
        echo frotz >nitfol &&
        git add rezrov &&
        git add -N nitfol &&
        git commit -m partial rezrov
'

test_expect_success 'can "commit -a" with an i-t-a entry' '
        git reset --hard &&
        : >nitfol &&
        git add -N nitfol &&
        git commit -a -m all
'

test_expect_success 'cache-tree invalidates i-t-a paths' '
        git reset --hard &&
        mkdir dir &&
        : >dir/foo &&
        git add dir/foo &&
        git commit -m foo &&

        : >dir/bar &&
        git add -N dir/bar &&
        git diff --cached --name-only >actual &&
        echo dir/bar >expect &&
        test_cmp expect actual &&

        git write-tree >/dev/null &&

        git diff --cached --name-only >actual &&
        echo dir/bar >expect &&
        test_cmp expect actual
'

test_expect_success 'cache-tree does not ignore dir that has i-t-a entries' '
        git init ita-in-dir &&
        (
                cd ita-in-dir &&
                mkdir 2 &&
                for f in 1 2/1 2/2 3
                do
                        echo "$f" >"$f"
                done &&
                git add 1 2/2 3 &&
                git add -N 2/1 &&
                git commit -m committed &&
                git ls-tree -r HEAD >actual &&
                grep 2/2 actual
        )
'

test_expect_success 'cache-tree does skip dir that becomes empty' '
        rm -fr ita-in-dir &&
        git init ita-in-dir &&
        (
                cd ita-in-dir &&
                mkdir -p 1/2/3 &&
                echo 4 >1/2/3/4 &&
                git add -N 1/2/3/4 &&
                git write-tree >actual &&
                echo $EMPTY_TREE >expected &&
                test_cmp expected actual
        )
'

test_done