#!/bin/sh

test_description='git apply handling criss-cross rename patch.'
. ./test-lib.sh

create_file() {
        cnt=0
        while test $cnt -le 100
        do
                cnt=$(($cnt + 1))
                echo "$2" >> "$1"
        done
}

test_expect_success 'setup' '
        create_file file1 "File1 contents" &&
        create_file file2 "File2 contents" &&
        create_file file3 "File3 contents" &&
        git add file1 file2 file3 &&
        git commit -m 1
'

test_expect_success 'criss-cross rename' '
        mv file1 tmp &&
        mv file2 file1 &&
        mv tmp file2 &&
        cp file1 file1-swapped &&
        cp file2 file2-swapped
'

test_expect_success 'diff -M -B' '
        git diff -M -B > diff &&
        git reset --hard

'

test_expect_success 'apply' '
        git apply diff &&
        test_cmp file1 file1-swapped &&
        test_cmp file2 file2-swapped
'

test_expect_success 'criss-cross rename' '
        git reset --hard &&
        mv file1 tmp &&
        mv file2 file1 &&
        mv file3 file2 &&
        mv tmp file3 &&
        cp file1 file1-swapped &&
        cp file2 file2-swapped &&
        cp file3 file3-swapped
'

test_expect_success 'diff -M -B' '
        git diff -M -B > diff &&
        git reset --hard
'

test_expect_success 'apply' '
        git apply diff &&
        test_cmp file1 file1-swapped &&
        test_cmp file2 file2-swapped &&
        test_cmp file3 file3-swapped
'

test_done