#!/bin/sh

test_description='apply empty'

. ./test-lib.sh

test_expect_success setup '
        >empty &&
        git add empty &&
        test_tick &&
        git commit -m initial &&
        for i in a b c d e
        do
                echo $i
        done >empty &&
        cat empty >expect &&
        git diff |
        sed -e "/^diff --git/d" \
            -e "/^index /d" \
            -e "s|a/empty|empty.orig|" \
            -e "s|b/empty|empty|" >patch0 &&
        sed -e "s|empty|missing|" patch0 >patch1 &&
        >empty &&
        git update-index --refresh
'

test_expect_success 'apply empty' '
        git reset --hard &&
        rm -f missing &&
        git apply patch0 &&
        test_cmp expect empty
'

test_expect_success 'apply --index empty' '
        git reset --hard &&
        rm -f missing &&
        git apply --index patch0 &&
        test_cmp expect empty &&
        git diff --exit-code
'

test_expect_success 'apply create' '
        git reset --hard &&
        rm -f missing &&
        git apply patch1 &&
        test_cmp expect missing
'

test_expect_success 'apply --index create' '
        git reset --hard &&
        rm -f missing &&
        git apply --index patch1 &&
        test_cmp expect missing &&
        git diff --exit-code
'

test_done