fix(discover): error if eval fails

divnix · Jan 5, 2023 · 0ac0efd · 0ac0efd
1 parent 0a2eaf9
commit 0ac0efd
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/discover/eval.sh b/discover/eval.sh
@@ -11,7 +11,12 @@ function eval() {
   local system
 
   system="$(nix eval --raw --impure --expr 'builtins.currentSystem')"
-  mapfile -t LIST < <(nix eval "$FLAKE#__std.ci'.$system" --json | jq -c 'unique_by(.actionDrv)|.[]')
+  mapfile -t LIST < <(nix eval "$FLAKE#__std.ci'.$system" --show-trace --json | jq -c 'unique_by(.actionDrv)|.[]')
+
+  if [[ -z ${LIST[*]} ]]; then
+    >&2 echo "Evaluation has failed, please review the trace; exiting..."
+    exit 1
+  fi
 
   echo "::endgroup::"
 }