From 16860a0328094c04c3e877089119a56f9ddfbcd6 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Sat, 26 Mar 2022 11:32:38 +0100
Subject: nix eval: Add option `read-only`

---
 src/nix/eval.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/nix/eval.cc')

diff --git a/src/nix/eval.cc b/src/nix/eval.cc
index 8cd04d5fe..733b93661 100644
--- a/src/nix/eval.cc
+++ b/src/nix/eval.cc
@@ -16,7 +16,7 @@ struct CmdEval : MixJSON, InstallableCommand
     std::optional<std::string> apply;
     std::optional<Path> writeTo;
 
-    CmdEval()
+    CmdEval() : InstallableCommand(true /* supportReadOnlyMode */)
     {
         addFlag({
             .longName = "raw",
-- 
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