[DEVOPS-980] Fix log collection in integration test

default.nix

@@ -136,7 +136,7 @@ let
       shellcheck = pkgs.callPackage ./scripts/test/shellcheck.nix { inherit src; };
       hlint = pkgs.callPackage ./scripts/test/hlint.nix { inherit src; };
       stylishHaskell = pkgs.callPackage ./scripts/test/stylish.nix { inherit (cardanoPkgs) stylish-haskell; inherit src localLib; };
-      walletIntegration = pkgs.callPackage ./scripts/test/wallet/integration/build-test.nix { inherit walletIntegrationTests pkgs; };
+      walletIntegration = pkgs.callPackage ./scripts/test/wallet/integration/build-test.nix { inherit walletIntegrationTests; };
       swaggerSchemaValidation = pkgs.callPackage ./scripts/test/wallet/swaggerSchemaValidation.nix { inherit gitrev; };
     };
     cardano-sl-explorer-frontend = (import ./explorer/frontend {

scripts/test/wallet/integration/build-test.nix

@@ -1,17 +1,18 @@
-{pkgs, stdenv, walletIntegrationTests, glibcLocales }:
-stdenv.mkDerivation rec {
-  name = "cardano-wallet-integration-tests";
-  buildInputs = with pkgs; [ jq curl glibcLocales ];
-  buildCommand = ''
-    ${walletIntegrationTests}
-    EXIT_CODE=$?
-    mkdir -pv $out/nix-support
-    if [ $EXIT_CODE != 0 ]
-    then
-      touch $out/nix-support/failed
-      tar -czvf  $out/logs.tar.gz state-demo/logs
-      echo "file binary-dist $out/logs.tar.gz" >> $out/nix-support/hydra-build-products
-    fi
-  '';
-
+{stdenv, jq, curl, runCommand, walletIntegrationTests, glibcLocales }:
+runCommand "cardano-wallet-integration-tests" {
+  buildInputs = [ jq curl glibcLocales ];
 }
+''
+  #!${stdenv.shell}
+  function capture_logs {
+    echo "The build failed with exit code $?"
+    mkdir -pv $out/nix-support
+    touch $out/nix-support/failed
+    tar -czvf  $out/logs.tar.gz state-demo/logs
+    echo "file binary-dist $out/logs.tar.gz" >> $out/nix-support/hydra-build-products
+    exit 0
+  }
+  ${walletIntegrationTests} || capture_logs
+  touch $out
+  exit 0
+''