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-rw-r--r--nix/nix-daemon/guix-daemon.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc
index b083fc2a44..71815169f7 100644
--- a/nix/nix-daemon/guix-daemon.cc
+++ b/nix/nix-daemon/guix-daemon.cc
@@ -296,6 +296,13 @@ main (int argc, char *argv[])
setenv ("NIX_SUBSTITUTERS", subst.c_str (), 1);
}
}
+ else
+ /* Clear the substituter list to make sure nothing ever gets
+ substituted, regardless of the client's settings. */
+ setenv ("NIX_SUBSTITUTERS", "", 1);
+
+ /* Effect the $NIX_SUBSTITUTERS change. */
+ settings.update ();
if (geteuid () == 0 && settings.buildUsersGroup.empty ())
fprintf (stderr, "warning: daemon is running as root, so "