Add global and system-wide gitattributes

diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index 118c6ebb182b5cd4700e533d6a951b31529149af..7d8ed68befed0e85ad85f9f933a2b887125e38e8 100755 (executable)
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -22,6 +22,25 @@ test_expect_success 'setup' '
 
 '
 
+test_expect_success 'git clean with skip-worktree .gitignore' '
+       git update-index --skip-worktree .gitignore &&
+       rm .gitignore &&
+       mkdir -p build docs &&
+       touch a.out src/part3.c docs/manual.txt obj.o build/lib.so &&
+       git clean &&
+       test -f Makefile &&
+       test -f README &&
+       test -f src/part1.c &&
+       test -f src/part2.c &&
+       test ! -f a.out &&
+       test ! -f src/part3.c &&
+       test -f docs/manual.txt &&
+       test -f obj.o &&
+       test -f build/lib.so &&
+       git update-index --no-skip-worktree .gitignore &&
+       git checkout .gitignore
+'
+
 test_expect_success 'git clean' '
 
        mkdir -p build docs &&