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Improve warning for incompatible HLS/GHC combos

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This commit is contained in:
Julian Ospald 2022-12-18 23:53:19 +08:00
parent ae092de4b6
commit 5cf49bffac
Signed by: hasufell
GPG Key ID: 3786C5262ECB4A3F
1 changed files with 7 additions and 5 deletions
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12
lib/GHCup/Utils.hs
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@ -1270,11 +1270,13 @@ warnAboutHlsCompatibility = do
case (currentGHC, currentHLS) of
(Just gv, Just hv) | gv `notElem` supportedGHC -> do
logWarn $
"GHC " <> T.pack (prettyShow gv) <> " is not compatible with " <>
"Haskell Language Server " <> T.pack (prettyShow hv) <> "." <> "\n" <>
"Haskell IDE support may not work until this is fixed." <> "\n" <>
"Install a different HLS version, or install and set one of the following GHCs:" <> "\n" <>
T.pack (prettyShow supportedGHC)
"GHC-" <> T.pack (prettyShow gv) <> " appears to have no corresponding HLS-" <> T.pack (prettyShow hv) <> " binary." <> "\n" <>
"Haskell IDE support may not work." <> "\n" <>
"You can try to either: " <> "\n" <>
" 1. Install a different HLS version (e.g. downgrade for older GHCs)" <> "\n" <>
" 2. Install and set one of the following GHCs: " <> T.pack (prettyShow supportedGHC) <> "\n" <>
" 3. Let GHCup compile HLS for you, e.g. run: ghcup compile hls -g " <> T.pack (prettyShow hv) <> " --ghc " <> T.pack (prettyShow gv) <> " --cabal-update\n" <>
" (see https://www.haskell.org/ghcup/guide/#hls for more information)"
_ -> return ()