1 files changed, 42 insertions, 0 deletions
diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index a74816ca8b..0399701e62 100755
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -746,4 +746,46 @@ test_expect_success 'clean untracked paths by pathspec' '
 	test_must_be_empty actual
 '
 
+test_expect_success 'avoid traversing into ignored directories' '
+	test_when_finished rm -f output error trace.* &&
+	test_create_repo avoid-traversing-deep-hierarchy &&
+	(
+		cd avoid-traversing-deep-hierarchy &&
+
+		mkdir -p untracked/subdir/with/a &&
+		>untracked/subdir/with/a/random-file.txt &&
+
+		GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \
+		git clean -ffdxn -e untracked
+	) &&
+
+	# Make sure we only visited into the top-level directory, and did
+	# not traverse into the "untracked" subdirectory since it was excluded
+	grep data.*read_directo.*directories-visited trace.output |
+		cut -d "|" -f 9 >trace.relevant &&
+	cat >trace.expect <<-EOF &&
+	 ..directories-visited:1
+	EOF
+	test_cmp trace.expect trace.relevant
+'
+
+test_expect_success 'traverse into directories that may have ignored entries' '
+	test_when_finished rm -f output &&
+	test_create_repo need-to-traverse-into-hierarchy &&
+	(
+		cd need-to-traverse-into-hierarchy &&
+		mkdir -p modules/foobar/src/generated &&
+		> modules/foobar/src/generated/code.c &&
+		> modules/foobar/Makefile &&
+		echo "/modules/**/src/generated/" >.gitignore &&
+
+		git clean -fX modules/foobar >../output &&
+
+		grep Removing ../output &&
+
+		test_path_is_missing modules/foobar/src/generated/code.c &&
+		test_path_is_file modules/foobar/Makefile
+	)
+'
+
 test_done