Remove HLint support

Use separate workflow like in
ekmett/lens#1066

.github/workflows/haskell-ci.yml

@@ -163,7 +163,7 @@ jobs:
       - name: cache (tools)
         uses: actions/cache/restore@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-e27a5680
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-4fd5cdc7
           path: ~/.haskell-ci-tools
       - name: install cabal-plan
         run: |
@@ -191,7 +191,7 @@ jobs:
         uses: actions/cache/save@v4
         if: always()
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-e27a5680
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-4fd5cdc7
           path: ~/.haskell-ci-tools
       - name: checkout
         uses: actions/checkout@v4

cabal.haskell-ci

@@ -67,16 +67,6 @@ branches: master
 -- irc-password: ${{ secrets.MyIrcBotPassword }}
 -- irc-if-in-origin-repo: True
 
--- Sections to fold in the build output
-folds: constraint-sets
-
--- Run HLint
-hlint: True
-hlint-job: 9.2.4
-hlint-yaml: .hlint.yaml
-hlint-download-binary: True
--- hlint-version: ==3.1.*
-
 -- Run doctest (on GHC-8.0+ which support .ghc.environment)
 doctest: <9
 doctest-options: --fast

haskell-ci.cabal

@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               haskell-ci
-version:            0.19.20240420
+version:            0.19.20240421
 synopsis:           Cabal package script generator for Travis-CI
 description:
   Script generator (@haskell-ci@) for
@@ -94,8 +94,6 @@ library haskell-ci-internal
     HaskellCI.Config.Doctest
     HaskellCI.Config.Dump
     HaskellCI.Config.Empty
-    HaskellCI.Config.Folds
-    HaskellCI.Config.HLint
     HaskellCI.Config.Installed
     HaskellCI.Config.Jobs
     HaskellCI.Config.PackageScope

src/HaskellCI/Config.hs

@@ -29,8 +29,6 @@ import HaskellCI.Config.CopyFields
 import HaskellCI.Config.Docspec
 import HaskellCI.Config.Doctest
 import HaskellCI.Config.Empty
-import HaskellCI.Config.Folds
-import HaskellCI.Config.HLint
 import HaskellCI.Config.Installed
 import HaskellCI.Config.Jobs
 import HaskellCI.Config.PackageScope
@@ -79,7 +77,6 @@ data Config = Config
     , cfgIrcIfInOriginRepo   :: Bool
     , cfgEmailNotifications  :: Bool
     , cfgProjectName         :: Maybe String
-    , cfgFolds               :: S.Set Fold
     , cfgGhcHead             :: !Bool
     , cfgPostgres            :: !Bool
     , cfgGoogleChrome        :: !Bool
@@ -98,7 +95,6 @@ data Config = Config
     , cfgErrorMissingMethods :: !PackageScope
     , cfgDoctest             :: !DoctestConfig
     , cfgDocspec             :: !DocspecConfig
-    , cfgHLint               :: !HLintConfig
     , cfgConstraintSets      :: [ConstraintSet]
     , cfgRawProject          :: [C.PrettyField ()]
     , cfgRawTravis           :: !String
@@ -118,7 +114,6 @@ emptyConfig = case runEG configGrammar of
 
 configGrammar
     :: ( OptionsGrammar c g, Applicative (g Config)
-       , c (Identity HLintJob)
        , c (Identity PackageScope)
        , c (Identity TestedWithJobs)
        , c (Identity Ubuntu)
@@ -127,11 +122,11 @@ configGrammar
        , c (Identity Version)
        , c (Identity Natural)
        , c (Identity Components)
-       , c Env, c Folds, c CopyFields, c HeadVersion
+       , c Env, c CopyFields, c HeadVersion
        , c (C.List C.FSep (Identity Installed) Installed)
        , Applicative (g DoctestConfig)
        , Applicative (g DocspecConfig)
-       , Applicative (g HLintConfig))
+       )
     => g Config Config
 configGrammar = Config
     <$> C.optionalFieldDefAla "cabal-install-version"     HeadVersion                         (field @"cfgCabalInstallVersion") defaultCabalInstallVersion
@@ -200,8 +195,6 @@ configGrammar = Config
         ^^^ help "Disable email notifications"
     <*> C.optionalFieldAla    "project-name"              C.Token'                            (field @"cfgProjectName")
         ^^^ metahelp "NAME" "Project name (used for IRC notifications), defaults to package name or name of first package listed in cabal.project file"
-    <*> C.monoidalFieldAla    "folds"                     Folds                               (field @"cfgFolds")
-        ^^^ metahelp "FOLD" "Build steps to fold"
     <*> C.booleanFieldDef     "ghc-head"                                                      (field @"cfgGhcHead") False
         ^^^ help "Add ghc-head job"
     <*> C.booleanFieldDef     "postgresql"                                                    (field @"cfgPostgres") False
@@ -236,7 +229,6 @@ configGrammar = Config
         ^^^ metahelp "PKGSCOPE" "Insert -Werror=missing-methods for package scope (none, local, all)"
     <*> C.blurFieldGrammar (field @"cfgDoctest") doctestConfigGrammar
     <*> C.blurFieldGrammar (field @"cfgDocspec") docspecConfigGrammar
-    <*> C.blurFieldGrammar (field @"cfgHLint")   hlintConfigGrammar
     <*> pure [] -- constraint sets
     <*> pure [] -- raw project fields
     <*> C.freeTextFieldDef "raw-travis"                                                       (field @"cfgRawTravis")

src/HaskellCI/GitHub.hs

@@ -35,7 +35,6 @@ import HaskellCI.Config
 import HaskellCI.Config.ConstraintSet
 import HaskellCI.Config.Docspec
 import HaskellCI.Config.Doctest
-import HaskellCI.Config.HLint
 import HaskellCI.Config.Installed
 import HaskellCI.Config.Jobs
 import HaskellCI.Config.PackageScope
@@ -310,10 +309,9 @@ makeGitHub _argv config@Config {..} gitconfig prj jobs@JobVersions {..} = do
         let toolsConfigHash :: String
             toolsConfigHash = take 8 $ BS8.unpack $ Base16.encode $ SHA256.hashlazy $ Binary.runPut $ do
                 Binary.put cfgDoctest
-                Binary.put cfgHLint
                 Binary.put cfgGhcupJobs -- GHC location affects doctest, e.g
 
-        when (doctestEnabled || cfgHLintEnabled cfgHLint) $ githubUses "cache (tools)" "actions/cache/restore@v4"
+        when (doctestEnabled) $ githubUses "cache (tools)" "actions/cache/restore@v4"
             [ ("key", "${{ runner.os }}-${{ matrix.compiler }}-tools-" ++ toolsConfigHash)
             , ("path", "~/.haskell-ci-tools")
             ]
@@ -350,31 +348,7 @@ makeGitHub _argv config@Config {..} gitconfig prj jobs@JobVersions {..} = do
             sh_if range $ "$CABAL --store-dir=$HOME/.haskell-ci-tools/store v2-install $ARG_COMPILER --ignore-project -j2 doctest" ++ doctestVersionConstraint
             sh_if range "doctest --version"
 
-        let hlintVersionConstraint
-                | C.isAnyVersion (cfgHLintVersion cfgHLint) = ""
-                | otherwise = " --constraint='hlint " ++ prettyShow (cfgHLintVersion cfgHLint) ++ "'"
-        when (cfgHLintEnabled cfgHLint) $ githubRun "install hlint" $ do
-            let forHLint = sh_if (hlintJobVersionRange allVersions cfgHeadHackage (cfgHLintJob cfgHLint))
-            if cfgHLintDownload cfgHLint
-            then do
-                -- install --dry-run and use perl regex magic to find a hlint version
-                -- -v is important
-                forHLint $ "HLINTVER=$(cd /tmp && (${CABAL} v2-install -v $ARG_COMPILER --dry-run hlint " ++ hlintVersionConstraint ++ " |  perl -ne 'if (/\\bhlint-(\\d+(\\.\\d+)*)\\b/) { print \"$1\"; last; }')); echo \"HLint version $HLINTVER\""
-                forHLint $ "if [ ! -e $HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint ]; then " ++ unwords
-                    [ "echo \"Downloading HLint version $HLINTVER\";"
-                    , "mkdir -p $HOME/.haskell-ci-tools;"
-                    , "curl --write-out 'Status Code: %{http_code} Redirects: %{num_redirects} Total time: %{time_total} Total Dsize: %{size_download}\\n' --silent --location --output $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz \"https://github.com/ndmitchell/hlint/releases/download/v$HLINTVER/hlint-$HLINTVER-x86_64-linux.tar.gz\";"
-                    , "tar -xzv -f $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz -C $HOME/.haskell-ci-tools;"
-                    , "fi"
-                    ]
-                forHLint "mkdir -p $CABAL_DIR/bin && ln -sf \"$HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint\" $CABAL_DIR/bin/hlint"
-                forHLint "hlint --version"
-
-            else do
-                forHLint $ "$CABAL --store-dir=$HOME/.haskell-ci-tools/store v2-install $ARG_COMPILER --ignore-project -j2 hlint" ++ hlintVersionConstraint
-                forHLint "hlint --version"
-
-        when (doctestEnabled || cfgHLintEnabled cfgHLint) $ githubUsesIf "save cache (tools)" "actions/cache/save@v4" "always()"
+        when (doctestEnabled) $ githubUsesIf "save cache (tools)" "actions/cache/save@v4" "always()"
             [ ("key", "${{ runner.os }}-${{ matrix.compiler }}-tools-" ++ toolsConfigHash)
             , ("path", "~/.haskell-ci-tools")
             ]
@@ -550,24 +524,6 @@ makeGitHub _argv config@Config {..} gitconfig prj jobs@JobVersions {..} = do
             sh_if docspecRange' "$CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH all"
             sh_if docspecRange' cabalDocspec
 
-        -- hlint
-        when (cfgHLintEnabled cfgHLint) $ githubRun "hlint" $ do
-            let "" <+> ys = ys
-                xs <+> "" = xs
-                xs <+> ys = xs ++ " " ++ ys
-
-                prependSpace "" = ""
-                prependSpace xs = " " ++ xs
-
-            let hlintOptions = prependSpace $ maybe "" ("-h ${GITHUB_WORKSPACE}/source/" ++) (cfgHLintYaml cfgHLint) <+> unwords (cfgHLintOptions cfgHLint)
-
-            for_ pkgs $ \Pkg{pkgName,pkgGpd,pkgJobs} -> do
-                for_ (hlintArgs pkgGpd) $ \args -> do
-                    let args' = unwords args
-                    unless (null args) $
-                        sh_if (hlintJobVersionRange allVersions cfgHeadHackage (cfgHLintJob cfgHLint) /\ RangePoints pkgJobs) $
-                        "(cd " ++ pkgNameDirVariable pkgName ++ " && hlint" ++ hlintOptions ++ " " ++ args' ++ ")"
-
         -- cabal check
         when cfgCheck $ githubRun "cabal check" $ do
             for_ pkgs $ \Pkg{pkgName,pkgJobs} -> do