1 files changed, 27 insertions, 0 deletions
diff --git a/src/legacy/buildenv.nix b/src/legacy/buildenv.nix
new file mode 100644
index 000000000..c8955a94e
--- /dev/null
+++ b/src/legacy/buildenv.nix
@@ -0,0 +1,27 @@
+{ derivations, manifest }:
+
+derivation {
+  name = "user-environment";
+  system = "builtin";
+  builder = "builtin:buildenv";
+
+  inherit manifest;
+
+  # !!! grmbl, need structured data for passing this in a clean way.
+  derivations = map (
+    d:
+    [
+      (d.meta.active or "true")
+      (d.meta.priority or 5)
+      (builtins.length d.outputs)
+    ]
+    ++ map (output: builtins.getAttr output d) d.outputs
+  ) derivations;
+
+  # Building user environments remotely just causes huge amounts of
+  # network traffic, so don't do that.
+  preferLocalBuild = true;
+
+  # Also don't bother substituting.
+  allowSubstitutes = false;
+}