[DEVOPS-936] Hydra CI job for sylish-haskell

Author: disassembler

default.nix

@@ -153,10 +153,14 @@ let
   other = rec {
     validateJson = pkgs.callPackage ./tools/src/validate-json {};
     demoCluster = pkgs.callPackage ./scripts/launch/demo-cluster { inherit gitrev; };
-    shellcheckTests = pkgs.callPackage ./scripts/test/shellcheck.nix { src = ./.; };
-    swaggerSchemaValidation = pkgs.callPackage ./scripts/test/wallet/swaggerSchemaValidation.nix { inherit gitrev; };
-    walletIntegrationTests = pkgs.callPackage ./scripts/test/wallet/integration { inherit gitrev; };
-    buildWalletIntegrationTests = pkgs.callPackage ./scripts/test/wallet/integration/build-test.nix { inherit walletIntegrationTests pkgs; };
+    tests = {
+      shellcheck = pkgs.callPackage ./scripts/test/shellcheck.nix { src = ./.; };
+      stylishHaskell = pkgs.callPackage ./scripts/test/stylish.nix { src = ./.; stylish-haskell = cardanoPkgs.stylish-haskell; };
+      walletIntegration = pkgs.callPackage ./scripts/test/wallet/integration { inherit gitrev; };
+      buildWalletIntegration = pkgs.callPackage ./scripts/test/wallet/integration/build-test.nix { inherit walletIntegration pkgs; };
+      swaggerSchemaValidation = pkgs.callPackage ./scripts/test/wallet/swaggerSchemaValidation.nix { inherit gitrev; };
+    };
+    fixStylishHaskell = pkgs.callPackage ./scripts/haskell/stylish.nix { stylish-haskell = cardanoPkgs.stylish-haskell; };
     cardano-sl-explorer-frontend = (import ./explorer/frontend {
       inherit system config gitrev pkgs;
       cardano-sl-explorer = cardanoPkgs.cardano-sl-explorer-static;

release.nix

@@ -60,9 +60,7 @@ let
     inherit (mapped'.connectScripts."${cluster}") wallet explorer;
   };
   nixosTests = import ./nixos-tests;
-  shellcheckTests = iohkPkgs.shellcheckTests;
-  swaggerSchemaValidation = iohkPkgs.swaggerSchemaValidation;
-  walletIntegrationTests = iohkPkgs.buildWalletIntegrationTests;
+  tests = iohkPkgs.tests;
   makeRelease = cluster: {
     name = cluster;
     value = {
@@ -71,7 +69,7 @@ let
     };
   };
 in mapped // {
-  inherit walletIntegrationTests swaggerSchemaValidation shellcheckTests;
+  inherit tests;
   nixpkgs = let
     wrapped = pkgs.runCommand "nixpkgs" {} ''
       ln -sv ${fixedNixpkgs} $out

scripts/haskell/stylish.nix

@@ -0,0 +1,5 @@
+{ stylish-haskell, writeScriptBin }:
+
+writeScriptBin "cardano-stylish-cleanup" ''
+  find . -type f -name "*hs" -not -path '.git' -not -path '*.stack-work*' -not -name 'HLint.hs' -exec ${stylish-haskell}/bin/stylish-haskell -i {} \;
+''

scripts/test/stylish.nix

@@ -0,0 +1,30 @@
+{ runCommand, stylish-haskell, src, lib, git }:
+
+let
+  cleanSourceFilter = with lib;
+    name: type: let baseName = baseNameOf (toString name); in (
+      (type == "regular" && hasSuffix ".hs" baseName) ||
+      (type == "regular" && hasSuffix ".yaml" baseName) ||
+      (type == "directory")
+    );
+  src' = builtins.filterSource cleanSourceFilter src;
+in
+runCommand "cardano-stylish-check" { buildInputs = [ stylish-haskell git ]; } ''
+  set +e
+  cp -a ${src'} tmp-cardano
+  chmod -R 0755 tmp-cardano
+  cd tmp-cardano
+  git init
+  git add -A
+  find . -type f -name "*hs" -not -path '.git' -not -path '*.stack-work*' -not -name 'HLint.hs' -exec stylish-haskell -i {} \;
+  git diff --exit-code
+  EXIT_CODE=$?
+  if [[ $EXIT_CODE != 0 ]]
+  then
+    echo "*** Stylish-haskell found changes that need addressed first"
+    echo "*** Please run scripts/haskell/stylish.sh and commit changes"
+    exit $EXIT_CODE
+  else
+    echo $EXIT_CODE > $out
+  fi
+''