From 5b2aa61f1b8fe253c963874ccb4700f6ff99526e Mon Sep 17 00:00:00 2001
From: regnat <rg@regnat.ovh>
Date: Tue, 26 Oct 2021 16:55:57 +0200
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20require=20`ca-derivations`=20wh?=
 =?UTF-8?q?en=20`=5F=5FcontentAddressed=20=3D=20false`?=
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If we explicitely opt-out of it, there’s no need to require the
experimental feature
---
 src/libexpr/primops.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 6b3cafec8..f05cca169 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -985,8 +985,9 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
             }
 
             if (i->name == state.sContentAddressed) {
-                settings.requireExperimentalFeature(Xp::CaDerivations);
                 contentAddressed = state.forceBool(*i->value, pos);
+                if (contentAddressed)
+                    settings.requireExperimentalFeature(Xp::CaDerivations);
             }
 
             /* The `args' attribute is special: it supplies the