From c2c89cf5308ea5c490a4fe150cffc72ed09c4c1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20Smr=C5=BE?= <roman.smrz@seznam.cz>
Date: Tue, 1 Sep 2026 20:35:23 +0200
Subject: Add newtype for ShellArguments

---
 src/Script/Shell.hs | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'src/Script')

diff --git a/src/Script/Shell.hs b/src/Script/Shell.hs
index dbecee3..3e98e66 100644
--- a/src/Script/Shell.hs
+++ b/src/Script/Shell.hs
@@ -3,7 +3,7 @@ module Script.Shell (
     ShellStatement(ShellStatement),
     ShellPipeline(ShellPipeline),
     ShellCommand(ShellCommand),
-    ShellArgument(..),
+    ShellArguments(..), ShellArgument(..),
     withShellProcess,
 ) where
 
@@ -62,10 +62,12 @@ data ShellPipeline = ShellPipeline
 
 data ShellCommand = ShellCommand
     { cmdCommand :: Text
-    , cmdExtArguments :: [ ShellArgument ]
+    , cmdExtArguments :: ShellArguments
     , cmdSourceLine :: SourceLine
     }
 
+newtype ShellArguments = ShellArguments { fromShellArguments :: [ ShellArgument ] }
+
 data ShellArgument
     = ShellArgument Text
     | ShellRedirectStdin Text
@@ -73,7 +75,7 @@ data ShellArgument
     | ShellRedirectStderr Bool Text
 
 cmdArguments :: ShellCommand -> [ Text ]
-cmdArguments = catMaybes . map (\case ShellArgument x -> Just x; _ -> Nothing) . cmdExtArguments
+cmdArguments = catMaybes . map (\case ShellArgument x -> Just x; _ -> Nothing) . fromShellArguments . cmdExtArguments
 
 instance ExprType ShellScript where
     textExprType _ = T.pack "ShellScript"
@@ -91,6 +93,10 @@ instance ExprType ShellCommand where
     textExprType _ = T.pack "ShellCommand"
     textExprValue _ = "<shell-command>"
 
+instance ExprType ShellArguments where
+    textExprType _ = T.pack "ShellArguments"
+    textExprValue _ = "<shell-arguments>"
+
 instance ExprType ShellArgument where
     textExprType _ = T.pack "ShellArgument"
     textExprValue _ = "<shell-argument>"
@@ -119,7 +125,7 @@ handledHandle (KeepHandle h) = h
 executeCommand :: ShellExecInfo -> ShellState -> HandleHandling -> HandleHandling -> HandleHandling -> ShellCommand -> TestRun ShellState
 executeCommand sei@ShellExecInfo {..} st pstdin pstdout pstderr scmd@ShellCommand {..} = do
     let args = cmdArguments scmd
-    ( pstdin', pstdout', pstderr' ) <- (\f -> foldM f ( pstdin, pstdout, pstderr ) cmdExtArguments) $ \cur@( cin, cout, cerr ) -> \case
+    ( pstdin', pstdout', pstderr' ) <- (\f -> foldM f ( pstdin, pstdout, pstderr ) (fromShellArguments cmdExtArguments)) $ \cur@( cin, cout, cerr ) -> \case
         ShellRedirectStdin path -> do
             closeIfRequested cin
             h <- liftIO $ openBinaryFile (nodeDir seiNode </> T.unpack path) ReadMode
-- 
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