Add a test module

app/Main.hs

@@ -2,7 +2,8 @@ module Main
     ( main
     ) where
 
-import qualified Data.Text.IO as Text.IO
+import Data.List.NonEmpty (NonEmpty(..))
+import Control.Monad.IO.Class (MonadIO(..))
 import Data.Maybe (fromMaybe)
 import Options.Applicative (execParser)
 import SlackBuilder.CommandLine
@@ -10,10 +11,80 @@ import SlackBuilder.Config
 import SlackBuilder.Trans
 import SlackBuilder.Updater
 import qualified Toml
+import Data.Text (Text)
 import qualified Data.Text as Text
-import Control.Monad.Trans.Reader (ReaderT(..))
+import qualified Data.Text.IO as Text.IO
+import Control.Monad.Trans.Reader (ReaderT(..), asks)
 import SlackBuilder.Download
-import Text.URI (mkURI)
+import qualified SlackBuilder.Package as Package
+import Text.URI (mkURI, URI)
+import Text.URI.QQ (uri)
+import Data.Foldable (for_)
+import qualified Text.URI as URI
+import GHC.Records (HasField(..))
+
+data Package = Package
+    { latest :: Package.Updater
+    , category :: Text
+    , name :: Text
+    , homepage :: Maybe URI
+    , requires :: [Text]
+    }
+
+autoUpdatable :: [Package]
+autoUpdatable =
+    [ Package
+        { latest =
+            let ghArguments = GhArguments{ owner = "universal-ctags", name = "ctags", transform = Nothing}
+                latest' = latestGitHub ghArguments pure
+                templateTail =
+                    [ Package.StaticPlaceholder "/ctags-"
+                    , Package.VersionPlaceholder
+                    , Package.StaticPlaceholder ".tar.gz"
+                    ]
+                template = Package.DownloadTemplate
+                    $ Package.StaticPlaceholder "https://github.com/universal-ctags/ctags/archive/" :| templateTail
+             in Package.Updater latest' template
+        , category = "development"
+        , name = "universal-ctags"
+        , homepage = Just [uri|https://ctags.io/|]
+        , requires = pure "%README%"
+        }
+    ]
+
+up2Date :: SlackBuilderT ()
+up2Date = for_ autoUpdatable go
+  where
+    go package@Package{ latest = Package.Updater getLatest _ } =
+        getLatest >>= mapM_ (updatePackage package)
+
+updatePackage :: Package -> Text -> SlackBuilderT ()
+updatePackage Package{..} version = do
+    maintainer' <- SlackBuilderT $ asks maintainer
+    let packagePath = category <> "/" <> name
+        package' = Package.PackageInfo
+            { version = version
+            , requires = requires
+            , path = Text.unpack packagePath
+            , homepage = maybe "" URI.render homepage
+            , maintainer = Package.Maintainer
+                { name = getField @"name" maintainer'
+                , email = getField @"email" maintainer'
+                }
+            }
+        Package.Updater _ downloadTemplate = latest
+
+    uri' <- liftIO $ Package.renderDownloadWithVersion downloadTemplate version
+    let tarball = "slackbuilds/development/universal-ctags/ctags-#{version}.tar.gz"
+    checksum <- fromMaybe undefined <$> download uri' tarball
+    download' <- liftIO $ mkURI "https://download.dlackware.com/hosted-sources/universal-ctags/ctags-#{version}.tar.gz"
+
+    liftIO $ Text.IO.writeFile "slackbuilds/#{package.path}/#{package.name}.info"
+        $ Package.infoTemplate package' [Package.Download download' checksum False]
+    updateSlackBuildVersion packagePath version
+    uploadCommand (Text.pack tarball) "#{CONFIG[:remote_path]}/universal-ctags"
+
+    commit packagePath version
 
 main :: IO ()
 main = do
@@ -40,13 +111,14 @@ main = do
         ArchiveCommand repo nameVersion tarball tagPrefix ->
             cloneAndArchive repo nameVersion tarball tagPrefix >> pure Nothing
         DownloadCommand url target
-            | Just uri <- mkURI url -> fmap (Text.pack . show)
-                <$> download uri target
+            | Just uri' <- mkURI url -> fmap (Text.pack . show)
+                <$> download uri' target
             | otherwise -> pure Nothing
         CloneCommand repo tarball tagPrefix -> fmap (Text.pack . show)
             <$> clone repo tarball tagPrefix
-        DownloadAndDeployCommand uri tarball -> fmap (Text.pack . show)
-            <$> downloadAndDeploy uri tarball
+        DownloadAndDeployCommand uri' tarball -> fmap (Text.pack . show)
+            <$> downloadAndDeploy uri' tarball
+        Up2DateCommand -> up2Date >> pure Nothing
     chooseTransformFunction (Just "php") = phpTransform
     chooseTransformFunction (Just "rdiff-backup") = Text.stripPrefix "v"
     chooseTransformFunction _ = stripPrefix "v"

app/SlackBuilder/CommandLine.hs

@@ -30,6 +30,7 @@ data SlackBuilderCommand
     | DownloadCommand Text String
     | CloneCommand Text Text Text
     | DownloadAndDeployCommand Text Text
+    | Up2DateCommand
     deriving (Eq, Show)
 
 data PackagistArguments = PackagistArguments
@@ -75,6 +76,7 @@ slackBuilderCommand = subparser
     <> command "download" (info downloadCommand mempty)
     <> command "clone" (info cloneCommand mempty)
     <> command "deploy" (info deployCommand mempty)
+    <> command "up2date" (info up2DateCommand mempty)
   where
     slackBuildCommand = SlackBuildCommand
         <$> argument str (metavar "PATH")
@@ -98,3 +100,4 @@ slackBuilderCommand = subparser
     deployCommand = DownloadAndDeployCommand
         <$> argument str (metavar "URI")
         <*> argument str (metavar "TARBALL")
+    up2DateCommand = pure Up2DateCommand

app/SlackBuilder/Download.hs

@@ -7,6 +7,7 @@ module SlackBuilder.Download
     , hostedSources
     , remoteFileExists
     , updateSlackBuildVersion
+    , uploadCommand
     ) where
 
 import Data.ByteString (ByteString)

app/SlackBuilder/Package.hs

@@ -1,13 +1,15 @@
 module SlackBuilder.Package
     ( DownloadPlaceholder(..)
     , Download(..)
+    , DownloadTemplate(..)
     , PackageInfo(..)
     , Maintainer(..)
     , Updater(..)
     , infoTemplate
+    , renderDownloadWithVersion
     ) where
 
-import Data.List.NonEmpty (NonEmpty)
+import Data.List.NonEmpty (NonEmpty(..))
 import Data.Text (Text)
 import qualified Data.Text as Text
 import Text.URI (URI(..))
@@ -17,6 +19,7 @@ import GHC.Records (HasField(..))
 import System.FilePath (takeBaseName)
 import Data.List (partition)
 import SlackBuilder.Trans
+import Control.Monad.Catch (MonadThrow)
 
 -- | Download URI with the MD5 checksum of the target.
 data Download = Download
@@ -60,8 +63,15 @@ instance Show DownloadTemplate
   where
     show (DownloadTemplate components) = concatMap show components
 
+renderDownloadWithVersion :: MonadThrow m => DownloadTemplate -> Text -> m URI
+renderDownloadWithVersion (DownloadTemplate components) version =
+    URI.mkURI $ foldr f "" components
+  where
+    f (StaticPlaceholder staticPlaceholder) accumulator = accumulator <> staticPlaceholder
+    f VersionPlaceholder accumulator = accumulator <> version
+
 -- | Function used to get the latest version of a source.
-newtype Updater = Updater (SlackBuilderT (Maybe Text))
+data Updater = Updater (SlackBuilderT (Maybe Text)) DownloadTemplate
 
 packageName :: PackageInfo -> Text
 packageName PackageInfo{ path } = Text.pack $ takeBaseName path

rakelib/dmd_tools.rake

@@ -20,7 +20,7 @@ module SlackBuilder
       package = Package.new 'development/dmd', version: version,
         homepage: 'https://dlang.org'
 
-      write_info package, downloads: [Download.new(uri.to_s, checksum.hexdigest)]
+      write_info package, downloads: [Download.new(uri.to_s, checksum)]
 
       update_slackbuild_version 'development/dmd', package.version
       commit 'development/dmd', version

slackbuilder.cabal

@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name: slackbuilder
-version: 1.0.0.0
+version: 1.0.0
 
 synopsis: Slackware build scripts and configuration files.
 bug-reports: https://git.caraus.tech/OSS/slackbuilder/issues
@@ -32,6 +32,7 @@ executable slackbuilder
     NamedFieldPuns
     OverloadedStrings
     RecordWildCards
+    QuasiQuotes
     TemplateHaskell
     TypeApplications
   build-depends:
@@ -40,6 +41,7 @@ executable slackbuilder
     bytestring ^>= 0.11.0,
     conduit ^>= 1.3.5,
     cryptonite >= 0.30,
+    exceptions >= 0.10,
     filepath ^>= 1.4.2,
     http-client ^>= 0.7,
     modern-uri ^>= 0.3.6,
@@ -55,3 +57,13 @@ executable slackbuilder
   default-language: Haskell2010
 
   ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall
+
+test-suite slackbuilder-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  hs-source-dirs:
+    tests
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall
+  default-language: Haskell2010
+  build-depends:
+    hspec >= 2.10.9 && < 2.12

tests/Spec.hs

@@ -0,0 +1 @@
+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}