Merge branch 'jn/fast-import-fix'

diff --git a/t/t7607-merge-overwrite.sh b/t/t7607-merge-overwrite.sh
index d82349a6a8d6c12c3ca4398a18bd6c1dd42efdc9..3988900fc33f0f5f9cdd416096df619aec2d577e 100755 (executable)
--- a/t/t7607-merge-overwrite.sh
+++ b/t/t7607-merge-overwrite.sh
@@ -84,4 +84,20 @@ test_expect_success 'will not overwrite removed file with staged changes' '
        test_cmp important c1.c
 '
 
+cat >expect <<\EOF
+error: Untracked working tree file 'c0.c' would be overwritten by merge.
+fatal: read-tree failed
+EOF
+
+test_expect_success 'will not overwrite untracked file on unborn branch' '
+       git reset --hard c0 &&
+       git rm -fr . &&
+       git checkout --orphan new &&
+       cp important c0.c &&
+       test_must_fail git merge c0 2>out &&
+       test_cmp out expect &&
+       test_path_is_missing .git/MERGE_HEAD &&
+       test_cmp important c0.c
+'
+
 test_done