module Hadolint.Rule.DL3032 (rule) where

import Hadolint.Rule
import qualified Hadolint.Shell as Shell
import Language.Docker.Syntax


rule :: Rule Shell.ParsedShell
rule :: Rule ParsedShell
rule = Rule ParsedShell
dl3032 Rule ParsedShell -> Rule ParsedShell -> Rule ParsedShell
forall a. Semigroup a => a -> a -> a
<> Rule ParsedShell -> Rule ParsedShell
forall args. Rule args -> Rule args
onbuild Rule ParsedShell
dl3032
{-# INLINEABLE rule #-}

dl3032 :: Rule Shell.ParsedShell
dl3032 :: Rule ParsedShell
dl3032 = RuleCode
-> DLSeverity
-> Text
-> (Instruction ParsedShell -> Bool)
-> Rule ParsedShell
forall args.
RuleCode
-> DLSeverity -> Text -> (Instruction args -> Bool) -> Rule args
simpleRule RuleCode
code DLSeverity
severity Text
message Instruction ParsedShell -> Bool
check
  where
    code :: RuleCode
code = RuleCode
"DL3032"
    severity :: DLSeverity
severity = DLSeverity
DLWarningC
    message :: Text
message = Text
"`yum clean all` missing after yum command."

    check :: Instruction ParsedShell -> Bool
check (Run (RunArgs Arguments ParsedShell
args RunFlags
_)) =
      (ParsedShell -> Bool) -> Arguments ParsedShell -> Bool
forall a b. (a -> b) -> Arguments a -> b
foldArguments ((Command -> Bool) -> ParsedShell -> Bool
Shell.noCommands Command -> Bool
yumInstall) Arguments ParsedShell
args
        Bool -> Bool -> Bool
|| Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
True Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== (
             Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
(<) (Int -> Int -> Bool) -> Maybe Int -> Maybe (Int -> Bool)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ParsedShell -> Maybe Int) -> Arguments ParsedShell -> Maybe Int
forall a b. (a -> b) -> Arguments a -> b
foldArguments ((Command -> Bool) -> ParsedShell -> Maybe Int
Shell.findCommandIndex Command -> Bool
yumInstall) Arguments ParsedShell
args
                 Maybe (Int -> Bool) -> Maybe Int -> Maybe Bool
forall a b. Maybe (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> (ParsedShell -> Maybe Int) -> Arguments ParsedShell -> Maybe Int
forall a b. (a -> b) -> Arguments a -> b
foldArguments ((Command -> Bool) -> ParsedShell -> Maybe Int
Shell.findCommandIndex Command -> Bool
yumClean) Arguments ParsedShell
args)
    check Instruction ParsedShell
_ = Bool
True

    yumInstall :: Command -> Bool
yumInstall = Text -> [Text] -> Command -> Bool
Shell.cmdHasArgs Text
"yum" [Text
"install"]
    yumClean :: Command -> Bool
yumClean Command
args = Text -> [Text] -> Command -> Bool
Shell.cmdHasArgs Text
"yum" [Text
"clean", Text
"all"] Command
args
      Bool -> Bool -> Bool
|| Text -> [Text] -> Command -> Bool
Shell.cmdHasArgs Text
"rm" [Text
"-rf", Text
"/var/cache/yum/*"] Command
args
{-# INLINEABLE dl3032 #-}