1 files changed, 26 insertions, 0 deletions
diff --git a/var/spack/repos/builder.test/packages/inheritance/package.py b/var/spack/repos/builder.test/packages/inheritance/package.py
new file mode 100644
index 0000000000..307d93ca80
--- /dev/null
+++ b/var/spack/repos/builder.test/packages/inheritance/package.py
@@ -0,0 +1,26 @@
+# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+import os
+
+import spack.pkg.builder.test.callbacks
+from spack.package import *
+
+
+class Inheritance(spack.pkg.builder.test.callbacks.Callbacks):
+    """Package used to verify that inheritance among packages work as expected"""
+
+    pass
+
+
+class GenericBuilder(spack.pkg.builder.test.callbacks.GenericBuilder):
+    def install(self, pkg, spec, prefix):
+        super(GenericBuilder, self).install(pkg, spec, prefix)
+        os.environ["INHERITANCE_INSTALL_CALLED"] = "1"
+        os.environ["INSTALL_VALUE"] = "INHERITANCE"
+
+    @run_before("install")
+    def derived_before_install(self):
+        os.environ["DERIVED_BEFORE_INSTALL_CALLED"] = "1"
+        os.environ["TEST_VALUE"] = "0"