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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:34:27 +0000
commit4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f (patch)
tree47c1d492e9c956c1cd2b74dbd3b9d8b0db44dc4e /t/t6700-tree-depth.sh
parentInitial commit. (diff)
downloadgit-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.tar.xz
git-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.zip
Adding upstream version 1:2.43.0.upstream/1%2.43.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t6700-tree-depth.sh')
-rwxr-xr-xt/t6700-tree-depth.sh95
1 files changed, 95 insertions, 0 deletions
diff --git a/t/t6700-tree-depth.sh b/t/t6700-tree-depth.sh
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+#!/bin/sh
+
+test_description='handling of deep trees in various commands'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+# We'll test against two depths here: a small one that will let us check the
+# behavior of the config setting easily, and a large one that should be
+# forbidden by default. Testing the default depth will let us know whether our
+# default is enough to prevent segfaults on systems that run the tests.
+small_depth=50
+big_depth=4100
+
+small_ok="-c core.maxtreedepth=$small_depth"
+small_no="-c core.maxtreedepth=$((small_depth-1))"
+
+# usage: mkdeep <name> <depth>
+# Create a tag <name> containing a file whose path has depth <depth>.
+#
+# We'll use fast-import here for two reasons:
+#
+# 1. It's faster than creating $big_depth tree objects.
+#
+# 2. As we tighten tree limits, it's more likely to allow large sizes
+# than trying to stuff a deep path into the index.
+mkdeep () {
+ {
+ echo "commit refs/tags/$1" &&
+ echo "committer foo <foo@example.com> 1234 -0000" &&
+ echo "data <<EOF" &&
+ echo "the commit message" &&
+ echo "EOF" &&
+
+ printf 'M 100644 inline ' &&
+ i=0 &&
+ while test $i -lt $2
+ do
+ printf 'a/'
+ i=$((i+1))
+ done &&
+ echo "file" &&
+
+ echo "data <<EOF" &&
+ echo "the file contents" &&
+ echo "EOF" &&
+ echo
+ } | git fast-import
+}
+
+test_expect_success 'create small tree' '
+ mkdeep small $small_depth
+'
+
+test_expect_success 'create big tree' '
+ mkdeep big $big_depth
+'
+
+test_expect_success 'limit recursion of git-archive' '
+ git $small_ok archive small >/dev/null &&
+ test_must_fail git $small_no archive small >/dev/null
+'
+
+test_expect_success 'default limit for git-archive fails gracefully' '
+ test_must_fail git archive big >/dev/null
+'
+
+test_expect_success 'limit recursion of ls-tree -r' '
+ git $small_ok ls-tree -r small &&
+ test_must_fail git $small_no ls-tree -r small
+'
+
+test_expect_success 'default limit for ls-tree fails gracefully' '
+ test_must_fail git ls-tree -r big >/dev/null
+'
+
+test_expect_success 'limit recursion of rev-list --objects' '
+ git $small_ok rev-list --objects small >/dev/null &&
+ test_must_fail git $small_no rev-list --objects small >/dev/null
+'
+
+test_expect_success 'default limit for rev-list fails gracefully' '
+ test_must_fail git rev-list --objects big >/dev/null
+'
+
+test_expect_success 'limit recursion of diff-tree -r' '
+ git $small_ok diff-tree -r $EMPTY_TREE small &&
+ test_must_fail git $small_no diff-tree -r $EMPTY_TREE small
+'
+
+test_expect_success 'default limit for diff-tree fails gracefully' '
+ test_must_fail git diff-tree -r $EMPTY_TREE big
+'
+
+test_done