96 lines
2.5 KiB
Bash
Executable File
96 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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test_description='handling of deep trees in various commands'
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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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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small_ok="-c core.maxtreedepth=$small_depth"
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small_no="-c core.maxtreedepth=$((small_depth-1))"
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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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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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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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test_expect_success 'create small tree' '
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mkdeep small $small_depth
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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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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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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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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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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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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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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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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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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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test_done
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