artiq-board: fix check for constraint errors

2019-05-27 22:46:36 +02:00 · 2019-05-27 22:46:36 +02:00 · 4dffefa46f
parent 00e518e77d
commit 4dffefa46f
1 changed files with 1 additions and 2 deletions
--- a/artiq/artiq-board.nix
+++ b/artiq/artiq-board.nix
@ -55,8 +55,7 @@ in pkgs.python3Packages.buildPythonPackage rec {
  preCheck = ''
    # Search for PCREs in the Vivado output to check for errors
    function check_log() {
-      grep -Pe "$1" artiq_${target}/${variant}/gateware/vivado.log
-      if [ $? -ne 1 ]; then
+      if [ $(grep -Pe "$1" artiq_${target}/${variant}/gateware/vivado.log) != 1 ]; then
        exit 1
      fi
    }