module Hadolint.Rule.DL3024 (rule) where import qualified Data.Set as Set import Hadolint.Rule import Language.Docker.Syntax rule :: Rule args rule :: forall args. Rule args rule = forall a args. (Linenumber -> State a -> Instruction args -> State a) -> State a -> Rule args customRule forall {args}. Linenumber -> State (Set Text) -> Instruction args -> State (Set Text) check (forall a. a -> State a emptyState forall a. Set a Set.empty) where code :: RuleCode code = RuleCode "DL3024" severity :: DLSeverity severity = DLSeverity DLErrorC message :: Text message = Text "FROM aliases (stage names) must be unique" check :: Linenumber -> State (Set Text) -> Instruction args -> State (Set Text) check Linenumber line State (Set Text) st (From BaseImage {$sel:alias:BaseImage :: BaseImage -> Maybe ImageAlias alias = Just (ImageAlias Text als)}) = let newState :: State (Set Text) newState = State (Set Text) st forall a b. a -> (a -> b) -> b |> forall a. (a -> a) -> State a -> State a modify (forall a. Ord a => a -> Set a -> Set a Set.insert Text als) in if forall a. Ord a => a -> Set a -> Bool Set.member Text als (forall a. State a -> a state State (Set Text) st) then State (Set Text) newState forall a b. a -> (a -> b) -> b |> forall a. CheckFailure -> State a -> State a addFail CheckFailure {Linenumber Text RuleCode DLSeverity line :: Linenumber message :: Text severity :: DLSeverity code :: RuleCode line :: Linenumber message :: Text severity :: DLSeverity code :: RuleCode ..} else State (Set Text) newState check Linenumber _ State (Set Text) st Instruction args _ = State (Set Text) st {-# INLINEABLE rule #-}