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-rw-r--r--pkgs/profpatsch/nix-tools.nix6
1 files changed, 5 insertions, 1 deletions
diff --git a/pkgs/profpatsch/nix-tools.nix b/pkgs/profpatsch/nix-tools.nix
index e00abb89..0ea3fc00 100644
--- a/pkgs/profpatsch/nix-tools.nix
+++ b/pkgs/profpatsch/nix-tools.nix
@@ -12,7 +12,11 @@ let
   ];
 
   nix-eval = writeExecline "nix-eval" {} [
-    bins.nix-instantiate "--eval" "--strict" "$@"
+    bins.nix-instantiate
+      "--read-write-mode"
+      "--eval"
+      "--strict"
+      "$@"
   ];
 
 in {