git reset --hard
'
+test_expect_success 'mergetool delete/delete conflict' '
+ git checkout -b delete-base branch1 &&
+ mkdir -p a/a &&
+ (echo one; echo two; echo 3; echo 4) >a/a/file.txt &&
+ git add a/a/file.txt &&
+ git commit -m"base file" &&
+ git checkout -b move-to-b delete-base &&
+ mkdir -p b/b &&
+ git mv a/a/file.txt b/b/file.txt &&
+ (echo one; echo two; echo 4) >b/b/file.txt &&
+ git commit -a -m"move to b" &&
+ git checkout -b move-to-c delete-base &&
+ mkdir -p c/c &&
+ git mv a/a/file.txt c/c/file.txt &&
+ (echo one; echo two; echo 3) >c/c/file.txt &&
+ git commit -a -m"move to c" &&
+ test_must_fail git merge move-to-b &&
+ echo d | git mergetool a/a/file.txt &&
+ ! test -f a/a/file.txt &&
+ git reset --hard HEAD &&
+ test_must_fail git merge move-to-b &&
+ echo m | git mergetool a/a/file.txt &&
+ test -f b/b/file.txt &&
+ git reset --hard HEAD &&
+ test_must_fail git merge move-to-b &&
+ ! echo a | git mergetool a/a/file.txt &&
+ ! test -f a/a/file.txt &&
+ git reset --hard HEAD
+'
+
+test_expect_success 'mergetool produces no errors when keepBackup is used' '
+ test_config mergetool.keepBackup true &&
+ test_must_fail git merge move-to-b &&
+ : >expect &&
+ echo d | git mergetool a/a/file.txt 2>actual &&
+ test_cmp expect actual &&
+ git reset --hard HEAD
+'
+
test_expect_success 'deleted vs modified submodule' '
git checkout -b test6 branch1 &&
git submodule update -N &&