From 5bc3fa88543cdf3aa5b9103f7423a2af490b3d08 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Mon, 13 Jun 2016 17:27:46 +0200
Subject: Makefile: assert existence of $(nixos-config)

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

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 6e09559b6..aa5d5d8ca 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,9 @@ system ?= $(HOSTNAME)
 $(if $(system),,$(error unbound variable: system))
 
 nixos-config ?= $(stockholm)/$(LOGNAME)/1systems/$(system).nix
+ifneq ($(words $(wildcard $(nixos-config))),1)
+$(error bad nixos-config: $(nixos-config))
+endif
 
 # target = [target_user@]target_host[:target_port][/target_path]
 ifdef target
-- 
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