From f9aefa2d5fb3f6aad25a907939ee872c828b33d0 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sun, 13 Nov 2016 22:59:54 +0100
Subject: daemon: Add 'built-in-builders' RPC.

* nix/libstore/builtins.cc (builtinBuilderNames): New function.
* nix/libstore/builtins.hh (builtinBuilderNames): New declaration.
* nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0x160.
(WorkerOp)[wopBuiltinBuilders]: New value.
* nix/nix-daemon/nix-daemon.cc (performOp): Handle it.
* guix/store.scm (operation-id)[built-in-builders]: New value.
* guix/store.scm (read-arg): Add 'string-list'.
(built-in-builders): New procedure.
* tests/derivations.scm ("built-in-builders"): New test.
---
 nix/nix-daemon/nix-daemon.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'nix/nix-daemon')

diff --git a/nix/nix-daemon/nix-daemon.cc b/nix/nix-daemon/nix-daemon.cc
index 35c284f7e1..9b29b3e91d 100644
--- a/nix/nix-daemon/nix-daemon.cc
+++ b/nix/nix-daemon/nix-daemon.cc
@@ -6,6 +6,7 @@
 #include "archive.hh"
 #include "affinity.hh"
 #include "globals.hh"
+#include "builtins.hh"
 
 #include <algorithm>
 
@@ -671,6 +672,14 @@ static void performOp(bool trusted, unsigned int clientVersion,
         break;
     }
 
+    case wopBuiltinBuilders: {
+	startWork();
+	auto names = builtinBuilderNames();
+	stopWork();
+	writeStrings(names, to);
+	break;
+    }
+
     default:
         throw Error(format("invalid operation %1%") % op);
     }
-- 
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