Add STACK_YAML sensitivity to dependencies tracking

.github/workflows/ci.yaml

@@ -14,11 +14,11 @@ jobs:
         os: [ubuntu-latest, macOS-latest]
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-haskell@2215b2cb657e9dd555e7d634509d859983e7aa1e
+    - uses: actions/setup-haskell@v1
       with:
         enable-stack: true
         ghc-version: ${{ matrix.ghc }}
-        stack-version: '2.3'
+        stack-version: '2.5.1'
     - name: Setup stack
       run: |
         stack config set install-ghc false

devtools.cabal

@@ -4,7 +4,7 @@ cabal-version: 1.18
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: f4e4b379c093455d9e68f7eb7aa3181435b0f51b61584906ff523a3f6315afbc
+-- hash: 28160fc04e20acffdb935a7fe9d603e6dc99612264c2fe23c6bab134280907af
 
 name:           devtools
 version:        0.0.3
@@ -63,35 +63,9 @@ library
     ghc-options: -Wwarn
   default-language: Haskell2010
 
-executable devtools
-  main-is: app/Main.hs
-  other-modules:
-      Paths_devtools
-  default-extensions: DerivingStrategies LambdaCase NoImplicitPrelude OverloadedStrings RecordWildCards StrictData
-  ghc-options: -Wall -Wcompat -Widentities -Wimplicit-prelude -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-exported-signatures -Wmissing-local-signatures -Wmonomorphism-restriction -Wredundant-constraints -fplugin=SourceConstraints -funbox-strict-fields -optP-Wno-nonportable-include-path -rtsopts -threaded -with-rtsopts=-N
-  build-depends:
-      Diff >0.3 && <0.5
-    , base >4.12 && <4.14
-    , bytestring >=0.10 && <0.11
-    , cmdargs >=0.10.20 && <0.11
-    , devtools
-    , filepath >=1.4 && <1.5
-    , hlint >3.1 && <4
-    , mprelude >=0.2.0 && <0.3
-    , source-constraints >=0.0.1 && <0.1
-    , tasty >=1.3.1 && <1.4
-    , tasty-mgolden >=0.0.1 && <0.1
-    , text >=1.2 && <1.3
-    , typed-process >=0.2 && <0.3
-  if flag(development)
-    ghc-options: -Werror
-  else
-    ghc-options: -Wwarn
-  default-language: Haskell2010
-
-test-suite devtools-test
+test-suite test
   type: exitcode-stdio-1.0
-  main-is: app/Main.hs
+  main-is: test/Test.hs
   other-modules:
       Paths_devtools
   default-extensions: DerivingStrategies LambdaCase NoImplicitPrelude OverloadedStrings RecordWildCards StrictData

package.yaml

@@ -65,15 +65,12 @@ when:
     else:
       ghc-options: -Wwarn
 
-executables:
-  devtools: &devtools
-    main:        app/Main.hs
+tests:
+  test:
+    main:        test/Test.hs
     ghc-options:
     - -rtsopts
     - -threaded
     - -with-rtsopts=-N
     dependencies:
     - devtools
-
-tests:
-  devtools-test: *devtools

src/Devtools.hs

@@ -28,10 +28,14 @@ defaultMain = main defaultConfig
 main :: Config -> IO ()
 main config = do
   putStrLn empty
-  Tasty.defaultMain $ testTree config
+  Tasty.defaultMain =<< testTree config
 
-testTree :: Config -> Tasty.TestTree
-testTree Config{..} = Tasty.testGroup "devtools"
-  [ Dependencies.testTree targets
-  , HLint.testTree hlintArguments
-  ]
+testTree :: Config -> IO Tasty.TestTree
+testTree Config{..} = do
+  filename <- Dependencies.getFilename
+
+  pure $ Tasty.testGroup
+    "devtools"
+    [ Dependencies.testTree filename targets
+    , HLint.testTree hlintArguments
+    ]

src/Devtools/Dependencies.hs

@@ -1,21 +1,25 @@
-module Devtools.Dependencies (testTree) where
+module Devtools.Dependencies
+  ( getFilename
+  , testTree
+  )
+where
 
 import Data.Tuple (fst)
 import Devtools.Config
 import Devtools.Prelude
+import System.FilePath (FilePath, (</>))
 
 import qualified Data.ByteString.Lazy  as LBS
 import qualified Data.Text.Encoding    as Text
+import qualified System.Environment    as Environment
+import qualified System.FilePath       as FilePath
 import qualified System.Process.Typed  as Process
 import qualified Test.Tasty            as Tasty
 import qualified Test.Tasty.MGolden    as Tasty
 
-testTree :: [Target] -> Tasty.TestTree
-testTree targets =
-  Tasty.goldenTest
-    "dependencies"
-    "test/stack-dependencies.txt"
-    readDependenciesText
+testTree :: FilePath -> [Target] -> Tasty.TestTree
+testTree filename targets =
+  Tasty.goldenTest "dependencies" filename readDependenciesText
   where
     readDependenciesText :: IO Text
     readDependenciesText
@@ -31,3 +35,12 @@ testTree targets =
       , "dependencies"
       , "--test"
       ] <> (targetString <$> targets)
+
+getFilename :: IO FilePath
+getFilename = do
+  prefix <- getPrefix
+  pure $ "test" </> prefix <> "-dependencies.txt"
+  where
+    getPrefix
+      =   maybe "stack" (FilePath.dropExtension . FilePath.takeFileName)
+      <$> Environment.lookupEnv "STACK_YAML"

test/Test.hs

@@ -1,12 +1,8 @@
-import MPrelude
+module Main (main) where
+
 import System.IO (IO)
-import Test.Tasty
-import Test.Tasty.MGolden
 
-main :: IO ()
-main = defaultMain tests
+import qualified Devtools
 
-tests :: TestTree
-tests = testGroup "mgolden tests"
-  [ goldenTest "test/expected/foo.txt" $ pure "foo\nbar\n"
-  ]
+main :: IO ()
+main = Devtools.main Devtools.defaultConfig