read-tree A B C: do not create a bogus index and do not segfault

diff --git a/t/t9301-fast-export.sh b/t/t9301-fast-export.sh
index 8324f6e3bd214e6c735051b52ca095970d9f61f1..c19b4a2bab586b21da43c7a838ba85626f913568 100755 (executable)
--- a/t/t9301-fast-export.sh
+++ b/t/t9301-fast-export.sh
@@ -185,4 +185,50 @@ test_expect_success 'submodule fast-export | fast-import' '
 
 '
 
+export GIT_AUTHOR_NAME='A U Thor'
+export GIT_COMMITTER_NAME='C O Mitter'
+
+test_expect_success 'setup copies' '
+
+       git config --unset i18n.commitencoding &&
+       git checkout -b copy rein &&
+       git mv file file3 &&
+       git commit -m move1 &&
+       test_tick &&
+       cp file2 file4 &&
+       git add file4 &&
+       git mv file2 file5 &&
+       git commit -m copy1 &&
+       test_tick &&
+       cp file3 file6 &&
+       git add file6 &&
+       git commit -m copy2 &&
+       test_tick &&
+       echo more text >> file6 &&
+       echo even more text >> file6 &&
+       git add file6 &&
+       git commit -m modify &&
+       test_tick &&
+       cp file6 file7 &&
+       echo test >> file7 &&
+       git add file7 &&
+       git commit -m copy_modify
+
+'
+
+test_expect_success 'fast-export -C -C | fast-import' '
+
+       ENTRY=$(git rev-parse --verify copy) &&
+       rm -rf new &&
+       mkdir new &&
+       git --git-dir=new/.git init &&
+       git fast-export -C -C --signed-tags=strip --all > output &&
+       grep "^C \"file6\" \"file7\"\$" output &&
+       cat output |
+       (cd new &&
+        git fast-import &&
+        test $ENTRY = $(git rev-parse --verify refs/heads/copy))
+
+'
+
 test_done