cleanup

etc/lts-constraints/cabal.project.local

@@ -0,0 +1,2 @@
+package *
+  ghc-options: -fwrite-ide-info

etc/lts-constraints/lts-constraints.cabal

@@ -30,6 +30,7 @@ executable lts-constraints
     , Cabal
     , containers
     , mtl
+    , optparse-generic
     , pantry
     , parsec
     , rio

etc/lts-constraints/src/Main.hs

@@ -1,4 +1,7 @@
 {-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE ImportQualifiedPost #-}
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# OPTIONS -Wno-name-shadowing #-}
@@ -8,12 +11,12 @@ import Control.Monad
 import Control.Monad.IO.Class (MonadIO (..))
 import Control.Monad.State (MonadState (..), runStateT)
 import Data.Text (Text)
+import Options.Generic (getRecord, ParseRecord)
+import Data.Text qualified as T
+import Data.Text.IO qualified as T
+import GHC.Generics (Generic)
 import RIO.Map (Map)
 import System.IO (openFile, IOMode (..), hFlush, hClose)
-import qualified Data.Text as T
-import qualified Data.Text.IO as T
-import Safe (at)
-import System.Environment (getArgs)
 
 import BuildConstraints (parsePackageDecl, handlePackage)
 import Snapshot (snapshotMap, loadSnapshot)
@@ -23,7 +26,14 @@ src :: String
 src = "../../build-constraints.yaml"
 
 target :: Int -> String
-target major = "../../lts-" <> show major <> "-build-constraints.yaml"
+target major = "lts-" <> show major <> "-build-constraints.yaml"
+
+data Args = Args
+  { major :: Int
+  , baseSnapshotPath :: FilePath
+  } deriving Generic
+
+instance ParseRecord Args
 
 data State
   = LookingForLibBounds
@@ -32,10 +42,8 @@ data State
 
 main :: IO ()
 main = do
-  args :: [String] <- getArgs
+  Args { major, baseSnapshotPath } <- getRecord "lts-constraints"
-  print args
+  map <- snapshotMap <$> loadSnapshot baseSnapshotPath
-  let major :: Int = read . (`at` 0) $ args
-  map <- snapshotMap <$> loadSnapshot ("../../../stackage-snapshots/lts/" <> show major <> "/0.yaml")
   output <- openFile (target major) WriteMode
   let putLine = liftIO . T.hPutStrLn output
   lines <- T.lines <$> T.readFile src
@@ -43,7 +51,7 @@ main = do
     forM_ lines $ putLine <=< processLine map
   hFlush output
   hClose output
-  putStrLn $ "Done. Wrote to " <> (target major)
+  putStrLn $ "Done. Wrote to " <> target major
 
 processLine :: MonadState State m => Map PackageName Version -> Text -> m Text
 processLine map line = do

etc/lts-constraints/src/Types.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DeriveAnyClass #-}
-{-# LANGUAGE DeriveGeneric #-}
 {-# OPTIONS -Wno-name-shadowing #-}
 module Types where
 
@@ -9,13 +8,12 @@ import Data.Aeson
 import Data.String.Conversions.Monomorphic
 import Distribution.Text (simpleParse)
 import Distribution.Types.VersionRange (VersionRange)
-import GHC.Generics
 import RIO.Text (Text)
 import qualified Distribution.Types.PackageName as C (PackageName, mkPackageName)
 import qualified Distribution.Types.Version as C (Version)
 
 newtype PackageName = PackageName { unPackageName :: C.PackageName }
-  deriving (Eq, Generic, Ord, FromJSONKey, Show)
+  deriving (Eq, Ord, FromJSONKey, Show)
 
 mkPackageName :: Text -> PackageName
 mkPackageName = PackageName . C.mkPackageName . fromStrictText
@@ -24,7 +22,7 @@ instance FromJSON PackageName where
   parseJSON = fmap (PackageName . C.mkPackageName) . parseJSON
 
 newtype Version = Version { unVersion :: C.Version }
-  deriving (Generic, Show)
+  deriving Show
 
 instance FromJSON Version where
   parseJSON =

etc/lts-constraints/stack.yaml

@@ -1,4 +1,4 @@
 resolver:
-  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/24.yaml
+  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml
 packages:
 - .

etc/lts-constraints/stack.yaml.lock

@@ -6,8 +6,8 @@
 packages: []
 snapshots:
 - completed:
-    sha256: abcc4a65c15c7c2313f1a87f01bfd4d910516e1930b99653eef1d2d006515916
+    sha256: e176944bc843f740e05242fa7a66ca1f440c127e425254f7f1257f9b19add23f
-    size: 640074
+    size: 712153
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/24.yaml
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml
   original:
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/24.yaml
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/0.yaml

etc/lts-constraints/weeder.toml

@@ -0,0 +1,7 @@
+roots = ["Main.main","^Paths_.*"]
+
+type-class-roots = false
+
+root-instances = [{ class = "\\.IsString$" },{ class = "\\.IsList$" }]
+
+unused-types = false