96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
| #!/bin/sh
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| 
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| test_description='handling of deep trees in various commands'
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| 
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| TEST_PASSES_SANITIZE_LEAK=true
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| . ./test-lib.sh
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| 
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| # We'll test against two depths here: a small one that will let us check the
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| # behavior of the config setting easily, and a large one that should be
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| # forbidden by default. Testing the default depth will let us know whether our
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| # default is enough to prevent segfaults on systems that run the tests.
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| small_depth=50
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| big_depth=4100
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| 
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| small_ok="-c core.maxtreedepth=$small_depth"
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| small_no="-c core.maxtreedepth=$((small_depth-1))"
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| 
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| # usage: mkdeep <name> <depth>
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| #   Create a tag <name> containing a file whose path has depth <depth>.
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| #
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| # We'll use fast-import here for two reasons:
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| #
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| #   1. It's faster than creating $big_depth tree objects.
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| #
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| #   2. As we tighten tree limits, it's more likely to allow large sizes
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| #      than trying to stuff a deep path into the index.
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| mkdeep () {
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| 	{
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| 		echo "commit refs/tags/$1" &&
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| 		echo "committer foo <foo@example.com> 1234 -0000" &&
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| 		echo "data <<EOF" &&
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| 		echo "the commit message" &&
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| 		echo "EOF" &&
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| 
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| 		printf 'M 100644 inline ' &&
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| 		i=0 &&
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| 		while test $i -lt $2
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| 		do
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| 			printf 'a/'
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| 			i=$((i+1))
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| 		done &&
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| 		echo "file" &&
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| 
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| 		echo "data <<EOF" &&
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| 		echo "the file contents" &&
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| 		echo "EOF" &&
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| 		echo
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| 	} | git fast-import
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| }
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| 
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| test_expect_success 'create small tree' '
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| 	mkdeep small $small_depth
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| '
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| 
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| test_expect_success 'create big tree' '
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| 	mkdeep big $big_depth
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| '
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| 
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| test_expect_success 'limit recursion of git-archive' '
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| 	git $small_ok archive small >/dev/null &&
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| 	test_must_fail git $small_no archive small >/dev/null
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| '
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| 
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| test_expect_success 'default limit for git-archive fails gracefully' '
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| 	test_must_fail git archive big >/dev/null
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| '
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| 
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| test_expect_success 'limit recursion of ls-tree -r' '
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| 	git $small_ok ls-tree -r small &&
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| 	test_must_fail git $small_no ls-tree -r small
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| '
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| 
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| test_expect_success 'default limit for ls-tree fails gracefully' '
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| 	test_must_fail git ls-tree -r big >/dev/null
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| '
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| 
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| test_expect_success 'limit recursion of rev-list --objects' '
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| 	git $small_ok rev-list --objects small >/dev/null &&
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| 	test_must_fail git $small_no rev-list --objects small >/dev/null
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| '
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| 
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| test_expect_success 'default limit for rev-list fails gracefully' '
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| 	test_must_fail git rev-list --objects big >/dev/null
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| '
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| 
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| test_expect_success 'limit recursion of diff-tree -r' '
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| 	git $small_ok diff-tree -r $EMPTY_TREE small &&
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| 	test_must_fail git $small_no diff-tree -r $EMPTY_TREE small
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| '
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| 
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| test_expect_success 'default limit for diff-tree fails gracefully' '
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| 	test_must_fail git diff-tree -r $EMPTY_TREE big
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| '
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| 
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| test_done
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