import main files from tag-release

I'm using an identical pattern in a number of projects now, so I'm
factoring this out into a separate repo.

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/test.sh b/lib/test.sh
new file mode 100644
index 0000000..fc4f1a6
--- /dev/null
+++ b/lib/test.sh
@@ -0,0 +1,21 @@
+# Copyright (c) 2026 Egor Tensin <egor@tensin.name>
+# This file is part of the "test-harness" project.
+# For details, see https://github.com/egor-tensin/test-harness
+# Distributed under the MIT License.
+
+test_should_fail=
+test_root_dir=
+
+test_setup_global() {
+    test_root_dir="$( mktemp -d )"
+}
+
+test_cleanup_global() {
+    if [ "$( type -t test_cleanup )" == function ]; then
+        test_cleanup || true
+    fi
+    if [ -n "$test_root_dir" ]; then
+        log "Removing test's root directory: $test_root_dir"
+        rm -rf -- "$test_root_dir"
+    fi
+}