From 6c5921c9fc84211b42a93ab715a25dc7d77a1907 Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Tue, 22 Dec 2015 20:31:21 +0100
Subject: Makefile: fail if nix-instantiate fails

---
 Makefile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index aefd17147..5b898c54c 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ ifeq ($(filter),json)
 else
 	filter() { cat; }
 endif
-	nix-instantiate \
+	result=$$(nix-instantiate \
 		$${extraArgs-} \
 		--eval \
 		-A "$$get" \
@@ -45,8 +45,9 @@ endif
 		--argstr current-host-name "$$HOSTNAME" \
 		--argstr current-user-name "$$LOGNAME" \
 		$${system+--argstr system "$$system"} \
-		$${target+--argstr target "$$target"} \
-		| filter
+		$${target+--argstr target "$$target"})
+	echo "$$result" | filter
+
 else
 $(error unbound variable: system[s])
 endif
-- 
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