pkgs/top-level/metrics.nix: fix the jq to count derivations

As can be seen on https://hydra.nixos.org/job/nixpkgs/trunk/metrics/metric/nix-env.qaCountBroken the logic is counting `null` entries today.

I introduced this regression in dfd90bf4c0
This commit is contained in:
Philip Taron
2025-09-18 11:17:49 -07:00
parent 862d555e5e
commit a16d821514

View File

@@ -93,7 +93,7 @@ stdenvNoCC.mkDerivation {
# It's slightly unclear which of the set to track: qaCount, qaCountDrv, qaCountBroken. # It's slightly unclear which of the set to track: qaCount, qaCountDrv, qaCountBroken.
num="$(wc -l < metrics/nix-env.qa/output)" num="$(wc -l < metrics/nix-env.qa/output)"
echo "nix-env.qaCount $num" >> hydra-metrics echo "nix-env.qaCount $num" >> hydra-metrics
qaCountDrv="$(jq -r 'reduce .[].drvPath as $d (0; .+1)' metrics/nix-env.qaDrv/output)" qaCountDrv="$(jq -r 'reduce (.[].drvPath? // empty) as $d (0; .+1)' metrics/nix-env.qaDrv/output)"
numBroken="$((num - $qaCountDrv))" numBroken="$((num - $qaCountDrv))"
echo "nix-env.qaCountBroken $numBroken" >> hydra-metrics echo "nix-env.qaCountBroken $numBroken" >> hydra-metrics