| #!/bin/sh | 
 |  | 
 | test_description='test read-tree into a fresh index file' | 
 |  | 
 | GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main | 
 | export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME | 
 |  | 
 | TEST_PASSES_SANITIZE_LEAK=true | 
 | . ./test-lib.sh | 
 |  | 
 | test_expect_success setup ' | 
 | 	echo one >a && | 
 | 	git add a && | 
 | 	git commit -m initial | 
 | ' | 
 |  | 
 | test_expect_success 'non-existent index file' ' | 
 | 	rm -f new-index && | 
 | 	GIT_INDEX_FILE=new-index git read-tree main | 
 | ' | 
 |  | 
 | test_expect_success 'empty index file' ' | 
 | 	rm -f new-index && | 
 | 	> new-index && | 
 | 	GIT_INDEX_FILE=new-index git read-tree main | 
 | ' | 
 |  | 
 | test_done | 
 |  |