1 files changed, 27 insertions, 0 deletions
diff --git a/tests/functional/config.nix.in b/tests/functional/config.nix.in
new file mode 100644
index 000000000..7facbdcbc
--- /dev/null
+++ b/tests/functional/config.nix.in
@@ -0,0 +1,27 @@
+let
+  contentAddressedByDefault = builtins.getEnv "NIX_TESTS_CA_BY_DEFAULT" == "1";
+  caArgs = if contentAddressedByDefault then {
+    __contentAddressed = true;
+    outputHashMode = "recursive";
+    outputHashAlgo = "sha256";
+  } else {};
+in
+
+rec {
+  shell = "@bash@";
+
+  path = "@coreutils@";
+
+  system = "@system@";
+
+  shared = builtins.getEnv "_NIX_TEST_SHARED";
+
+  mkDerivation = args:
+    derivation ({
+      inherit system;
+      builder = shell;
+      args = ["-e" args.builder or (builtins.toFile "builder-${args.name}.sh" "if [ -e .attrs.sh ]; then source .attrs.sh; fi; eval \"$buildCommand\"")];
+      PATH = path;
+    } // caArgs // removeAttrs args ["builder" "meta"])
+    // { meta = args.meta or {}; };
+}