Choose system in dev-shell dynamically

Tobias Pflug · Tobias Pflug · commit 51cfd4e77c5f · 2016-07-18T12:20:14.000+02:00
diff --git a/dev-shell b/dev-shell
@@ -1,2 +1,3 @@
 #! /bin/sh -e
-exec nix-shell release.nix -A build.x86_64-linux --exclude tarball "$@"
+SYSTEM=$(nix-instantiate --eval --expr "builtins.currentSystem")
+exec nix-shell release.nix -A build.$SYSTEM --exclude tarball "$@"
