Bump checkout action to 4

* https://github.com/haskell/ghcup-hs/issues/1013
* https://github.com/jtdaugherty/brick/issues/502#issuecomment-1974980299
* 4c395182cb

.github/workflows/release.yaml

@@ -40,7 +40,7 @@ jobs:
             ARCH: 64
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -109,7 +109,7 @@ jobs:
         shell: bash
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -177,7 +177,7 @@ jobs:
             ARCH: 64
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -258,7 +258,7 @@ jobs:
       RUNNER_OS: FreeBSD
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -305,7 +305,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -378,7 +378,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -446,7 +446,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -508,7 +508,7 @@ jobs:
       RUNNER_OS: FreeBSD
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 
@@ -545,7 +545,7 @@ jobs:
       S3_HOST: ${{ secrets.S3_HOST }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: 'true'
 

cabal.ghc8107.project

@@ -10,12 +10,18 @@ else
         flags: +tui +tar
 
 constraints: http-io-streams -brotli,
-             any.aeson >= 2.0.1.0
+             any.aeson >= 2.0.1.0,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0
 
 if os(mingw32)
+  constraints: vty-windows >=0.2.0.2
+
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 
+
 source-repository-package
   type: git
   location: https://github.com/haskell/tar.git

cabal.ghc8107.project.freeze

@@ -14,7 +14,7 @@ constraints: any.Cabal ==3.10.2.1,
              aeson +ordered-keymap,
              any.aeson-pretty ==0.8.10,
              aeson-pretty +lib-only,
-             any.alex ==3.5.0.0,
+             any.alex ==3.5.1.0,
              any.ansi-terminal ==1.0.2,
              ansi-terminal -example,
              any.ansi-terminal-types ==0.11.5,
@@ -44,8 +44,9 @@ constraints: any.Cabal ==3.10.2.1,
              any.brick ==2.1.1,
              brick -demos,
              any.bytestring ==0.11.5.3,
-             any.bz2 ==1.0.1.0,
+             any.bz2 ==1.0.1.1,
              bz2 -cross +with-bzlib,
+             any.bzip2-clib ==1.0.8,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
              any.cabal-install-parsers ==0.6.1.1,
@@ -241,7 +242,7 @@ constraints: any.Cabal ==3.10.2.1,
              vector +boundschecks -internalchecks -unsafechecks -wall,
              any.vector-binary-instances ==0.2.5.2,
              any.vector-stream ==0.1.0.1,
-             any.versions ==6.0.5,
+             any.versions ==6.0.6,
              any.vty ==6.2,
              any.vty-crossplatform ==0.4.0.0,
              vty-crossplatform -demos,
@@ -255,4 +256,4 @@ constraints: any.Cabal ==3.10.2.1,
              any.zlib ==0.6.3.0,
              zlib -bundled-c-zlib -non-blocking-ffi -pkg-config,
              any.zlib-bindings ==0.1.1.5
-index-state: hackage.haskell.org 2024-02-18T14:07:35Z
+index-state: hackage.haskell.org 2024-03-10T10:13:56Z

cabal.ghc902.project

@@ -10,12 +10,18 @@ else
         flags: +tui +tar
 
 constraints: http-io-streams -brotli,
-             any.aeson >= 2.0.1.0
+             any.aeson >= 2.0.1.0,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0
 
 if os(mingw32)
+  constraints: vty-windows >=0.2.0.2
+
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 
+
 source-repository-package
   type: git
   location: https://github.com/haskell/tar.git

cabal.ghc902.project.freeze

@@ -14,7 +14,7 @@ constraints: any.Cabal ==3.10.2.1,
              aeson +ordered-keymap,
              any.aeson-pretty ==0.8.10,
              aeson-pretty +lib-only,
-             any.alex ==3.5.0.0,
+             any.alex ==3.5.1.0,
              any.ansi-terminal ==1.0.2,
              ansi-terminal -example,
              any.ansi-terminal-types ==0.11.5,
@@ -47,9 +47,10 @@ constraints: any.Cabal ==3.10.2.1,
              any.brick ==2.1.1,
              brick -demos,
              any.bytestring ==0.11.5.3,
-             any.bz2 ==1.0.1.0,
+             any.bz2 ==1.0.1.1,
              bz2 -cross +with-bzlib,
-             any.bzlib-conduit ==0.3.0.2,
+             any.bzip2-clib ==1.0.8,
+             any.bzlib-conduit ==0.3.0.3,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
              any.cabal-install-parsers ==0.6.1.1,
@@ -140,7 +141,7 @@ constraints: any.Cabal ==3.10.2.1,
              any.microlens-mtl ==0.2.0.3,
              any.microlens-th ==0.4.3.14,
              any.monad-control ==1.0.3.1,
-             any.mono-traversable ==1.0.15.3,
+             any.mono-traversable ==1.0.17.0,
              any.mtl ==2.2.2,
              any.mtl-compat ==0.2.2,
              mtl-compat -two-point-one -two-point-two,
@@ -250,7 +251,7 @@ constraints: any.Cabal ==3.10.2.1,
              vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
              any.vector-binary-instances ==0.2.5.2,
              any.vector-stream ==0.1.0.1,
-             any.versions ==6.0.5,
+             any.versions ==6.0.6,
              any.vty ==6.2,
              any.vty-crossplatform ==0.4.0.0,
              vty-crossplatform -demos,
@@ -268,4 +269,4 @@ constraints: any.Cabal ==3.10.2.1,
              any.zlib-bindings ==0.1.1.5,
              any.zstd ==0.1.3.0,
              zstd +standalone
-index-state: hackage.haskell.org 2024-02-18T14:07:35Z
+index-state: hackage.haskell.org 2024-03-10T10:13:56Z

cabal.ghc928.project

@@ -10,12 +10,18 @@ else
         flags: +tui +tar
 
 constraints: http-io-streams -brotli,
-             any.aeson >= 2.0.1.0
+             any.aeson >= 2.0.1.0,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0
 
 if os(mingw32)
+  constraints: vty-windows >=0.2.0.2
+
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 
+
 source-repository-package
   type: git
   location: https://github.com/haskell/tar.git

cabal.ghc928.project.freeze

@@ -14,7 +14,7 @@ constraints: any.Cabal ==3.10.2.1,
              aeson +ordered-keymap,
              any.aeson-pretty ==0.8.10,
              aeson-pretty +lib-only,
-             any.alex ==3.5.0.0,
+             any.alex ==3.5.1.0,
              any.ansi-terminal ==1.0.2,
              ansi-terminal -example,
              any.ansi-terminal-types ==0.11.5,
@@ -47,9 +47,10 @@ constraints: any.Cabal ==3.10.2.1,
              any.brick ==2.1.1,
              brick -demos,
              any.bytestring ==0.11.4.0,
-             any.bz2 ==1.0.1.0,
+             any.bz2 ==1.0.1.1,
              bz2 -cross +with-bzlib,
-             any.bzlib-conduit ==0.3.0.2,
+             any.bzip2-clib ==1.0.8,
+             any.bzlib-conduit ==0.3.0.3,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
              any.cabal-install-parsers ==0.6.1.1,
@@ -140,7 +141,7 @@ constraints: any.Cabal ==3.10.2.1,
              any.microlens-mtl ==0.2.0.3,
              any.microlens-th ==0.4.3.14,
              any.monad-control ==1.0.3.1,
-             any.mono-traversable ==1.0.15.3,
+             any.mono-traversable ==1.0.17.0,
              any.mtl ==2.2.2,
              any.mtl-compat ==0.2.2,
              mtl-compat -two-point-one -two-point-two,
@@ -249,7 +250,7 @@ constraints: any.Cabal ==3.10.2.1,
              vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
              any.vector-binary-instances ==0.2.5.2,
              any.vector-stream ==0.1.0.1,
-             any.versions ==6.0.5,
+             any.versions ==6.0.6,
              any.vty ==6.2,
              any.vty-crossplatform ==0.4.0.0,
              vty-crossplatform -demos,
@@ -267,4 +268,4 @@ constraints: any.Cabal ==3.10.2.1,
              any.zlib-bindings ==0.1.1.5,
              any.zstd ==0.1.3.0,
              zstd +standalone
-index-state: hackage.haskell.org 2024-02-18T14:07:35Z
+index-state: hackage.haskell.org 2024-03-10T10:13:56Z

cabal.ghc948.project

@@ -10,12 +10,18 @@ else
         flags: +tui +tar
 
 constraints: http-io-streams -brotli,
-             any.aeson >= 2.0.1.0
+             any.aeson >= 2.0.1.0,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0
 
 if os(mingw32)
+  constraints: vty-windows >=0.2.0.2
+
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 
+
 source-repository-package
   type: git
   location: https://github.com/haskell/tar.git

cabal.ghc948.project.freeze

@@ -14,7 +14,7 @@ constraints: any.Cabal ==3.10.2.1,
              aeson +ordered-keymap,
              any.aeson-pretty ==0.8.10,
              aeson-pretty +lib-only,
-             any.alex ==3.5.0.0,
+             any.alex ==3.5.1.0,
              any.ansi-terminal ==1.0.2,
              ansi-terminal -example,
              any.ansi-terminal-types ==0.11.5,
@@ -47,9 +47,10 @@ constraints: any.Cabal ==3.10.2.1,
              any.brick ==2.1.1,
              brick -demos,
              any.bytestring ==0.11.5.3,
-             any.bz2 ==1.0.1.0,
+             any.bz2 ==1.0.1.1,
              bz2 -cross +with-bzlib,
-             any.bzlib-conduit ==0.3.0.2,
+             any.bzip2-clib ==1.0.8,
+             any.bzlib-conduit ==0.3.0.3,
              any.c2hs ==0.28.8,
              c2hs +base3 -regression,
              any.cabal-install-parsers ==0.6.1.1,
@@ -139,7 +140,7 @@ constraints: any.Cabal ==3.10.2.1,
              any.microlens-mtl ==0.2.0.3,
              any.microlens-th ==0.4.3.14,
              any.monad-control ==1.0.3.1,
-             any.mono-traversable ==1.0.15.3,
+             any.mono-traversable ==1.0.17.0,
              any.mtl ==2.2.2,
              any.mtl-compat ==0.2.2,
              mtl-compat -two-point-one -two-point-two,
@@ -248,7 +249,7 @@ constraints: any.Cabal ==3.10.2.1,
              vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
              any.vector-binary-instances ==0.2.5.2,
              any.vector-stream ==0.1.0.1,
-             any.versions ==6.0.5,
+             any.versions ==6.0.6,
              any.vty ==6.2,
              any.vty-crossplatform ==0.4.0.0,
              vty-crossplatform -demos,
@@ -266,4 +267,4 @@ constraints: any.Cabal ==3.10.2.1,
              any.zlib-bindings ==0.1.1.5,
              any.zstd ==0.1.3.0,
              zstd +standalone
-index-state: hackage.haskell.org 2024-02-18T14:07:35Z
+index-state: hackage.haskell.org 2024-03-10T10:13:56Z

cabal.project

@@ -10,12 +10,18 @@ else
         flags: +tui +tar
 
 constraints: http-io-streams -brotli,
-             any.aeson >= 2.0.1.0
+             any.aeson >= 2.0.1.0,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0
 
 if os(mingw32)
+  constraints: vty-windows >=0.2.0.2
+
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 
+
 source-repository-package
   type: git
   location: https://github.com/haskell/tar.git

cabal.project.release

@@ -18,7 +18,7 @@ elif os(mingw32)
   constraints: zlib +bundled-c-zlib,
                lzma +static,
                text -simdutf,
-               vty-windows >=0.1.0.3
+               vty-windows >=0.2.0.2
   if impl(ghc >= 9.4)
     constraints: language-c >= 0.9.3
 elif os(freebsd)
@@ -30,6 +30,9 @@ elif os(freebsd)
 constraints: http-io-streams -brotli,
              any.aeson >= 2.0.1.0,
              any.hsc2hs ==0.68.8,
+             bzlib-conduit >= 0.3.0.3,
+             bz2 >= 1.0.1.1,
+             bzlib >= 0.5.2.0,
              directory >= 1.3.8.3,
              filepath == 1.4.101.0 || == 1.4.300.1 || >= 1.5.2.0
 

docs/guide.md

@@ -561,6 +561,8 @@ export SKIP_GHC=yes
 source ~/.ghc-wasm/env
 ```
 
+**Note that some wasm bindists don't work with the master branch of ghc-wasm-meta. GHCup will warn you about such cases prior to installation and point you to the right commit.**
+
 To install, we need to invoke ghcup like so also passing the `--host=<host>` flag (adjust as needed):
 
 ```sh

ghcup.cabal

@@ -175,6 +175,7 @@ library
     , base16-bytestring     >=0.1.1.6    && <1.1
     , binary                ^>=0.8.6.0
     , bytestring            >=0.10       && <0.12
+    , bz2                   ^>=1.0.1.1
     , Cabal                 ^>=3.0.0.0 || ^>=3.2.0.0 || ^>=3.4.0.0 || ^>=3.6.0.0 || ^>=3.8.0.0 || ^>= 3.10.0.0
     , case-insensitive      ^>=1.2.1.0
     , casing                ^>=0.1.4.1
@@ -244,7 +245,6 @@ library
     -- GHCup.OptParse.Run uses this
     exposed-modules: GHCup.Prelude.Process.Windows
     build-depends:
-      , bzlib
       , process  ^>=1.6.11.0
       , Win32    >=2.10
 
@@ -261,7 +261,6 @@ library
     install-includes: dirutils.h
     c-sources:        cbits/dirutils.c
     build-depends:
-      , bz2              >=0.5.0.5 && <1.1
       , terminal-size    ^>=0.3.3
       , unix             ^>=2.7 || ^>=2.8
       , unix-bytestring  ^>=0.3.7.3

lib-opt/GHCup/OptParse/Compile.hs

@@ -529,9 +529,14 @@ compile compileCommand settings Dirs{..} runAppState runLogger = do
           HLS.SourceDist targetVer -> do
             GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
             let vi = getVersionInfo (mkTVer targetVer) HLS dls
+            forM_ (_viPreInstall =<< vi) $ \msg -> do
+              lift $ logWarn msg
+              lift $ logWarn
+                "...waiting for 5 seconds, you can still abort..."
+              liftIO $ threadDelay 5000000 -- give the user a sec to intervene
             forM_ (_viPreCompile =<< vi) $ \msg -> do
-              lift $ logInfo msg
-              lift $ logInfo
+              lift $ logWarn msg
+              lift $ logWarn
                 "...waiting for 5 seconds, you can still abort..."
               liftIO $ threadDelay 5000000 -- for compilation, give the user a sec to intervene
           _ -> pure ()
@@ -578,9 +583,14 @@ compile compileCommand settings Dirs{..} runAppState runLogger = do
           GHC.SourceDist targetVer -> do
             GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
             let vi = getVersionInfo (mkTVer targetVer) GHC dls
+            forM_ (_viPreInstall =<< vi) $ \msg -> do
+              lift $ logWarn msg
+              lift $ logWarn
+                "...waiting for 5 seconds, you can still abort..."
+              liftIO $ threadDelay 5000000 -- give the user a sec to intervene
             forM_ (_viPreCompile =<< vi) $ \msg -> do
-              lift $ logInfo msg
-              lift $ logInfo
+              lift $ logWarn msg
+              lift $ logWarn
                 "...waiting for 5 seconds, you can still abort..."
               liftIO $ threadDelay 5000000 -- for compilation, give the user a sec to intervene
           _ -> pure ()

lib-opt/GHCup/OptParse/GC.hs

@@ -47,6 +47,7 @@ data GCOptions = GCOptions
   , gcHLSNoGHC :: Bool
   , gcCache :: Bool
   , gcTmp :: Bool
+  , gcUnset :: Bool
   } deriving (Eq, Show)
 
 
@@ -77,6 +78,9 @@ gcP =
   <*>
     switch
       (short 't' <> long "tmpdirs" <> help "Remove tmpdir leftovers")
+  <*>
+    switch
+      (short 'u' <> long "unset" <> help "Remove all tool versions that are not 'set'")
 
 
 
@@ -134,6 +138,7 @@ gc GCOptions{..} runAppState runLogger = runGC runAppState (do
   liftE $ when gcHLSNoGHC rmHLSNoGHC
   lift $ when gcCache rmCache
   lift $ when gcTmp rmTmp
+  liftE $ when gcUnset rmUnsetTools
    ) >>= \case
             VRight _ -> do
                   pure ExitSuccess

lib-opt/GHCup/OptParse/Install.hs

@@ -24,6 +24,7 @@ import           GHCup.Prelude
 import           GHCup.Prelude.Logger
 import           GHCup.Prelude.String.QQ
 
+import           Control.Concurrent (threadDelay)
 #if !MIN_VERSION_base(4,13,0)
 import           Control.Monad.Fail             ( MonadFail )
 #endif
@@ -327,6 +328,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
     (case instBindist of
        Nothing -> runInstGHC s' $ do
          (v, vi) <- liftE $ fromVersion instVer GHC
+         forM_ (_viPreInstall =<< vi) $ \msg -> do
+           lift $ logWarn msg
+           lift $ logWarn
+             "...waiting for 5 seconds, you can still abort..."
+           liftIO $ threadDelay 5000000 -- give the user a sec to intervene
          liftE $ runBothE' (installGHCBin
                      v
                      (maybe GHCupInternal IsolateDir isolateDir)
@@ -338,6 +344,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
        Just uri -> do
          runInstGHC s'{ settings = settings {noVerify = True}} $ do
            (v, vi) <- liftE $ fromVersion instVer GHC
+           forM_ (_viPreInstall =<< vi) $ \msg -> do
+             lift $ logWarn msg
+             lift $ logWarn
+               "...waiting for 5 seconds, you can still abort..."
+             liftIO $ threadDelay 5000000 -- give the user a sec to intervene
            liftE $ runBothE' (installGHCBindist
                        (DownloadInfo uri (Just $ RegexDir "ghc-.*") "" Nothing Nothing)
                        v
@@ -399,6 +410,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
     (case instBindist of
        Nothing -> runInstTool s' $ do
          (_tvVersion -> v, vi) <- liftE $ fromVersion instVer Cabal
+         forM_ (_viPreInstall =<< vi) $ \msg -> do
+           lift $ logWarn msg
+           lift $ logWarn
+             "...waiting for 5 seconds, you can still abort..."
+           liftIO $ threadDelay 5000000 -- give the user a sec to intervene
          liftE $ runBothE' (installCabalBin
                                     v
                                     (maybe GHCupInternal IsolateDir isolateDir)
@@ -408,6 +424,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
        Just uri -> do
          runInstTool s'{ settings = settings { noVerify = True}} $ do
            (_tvVersion -> v, vi) <- liftE $ fromVersion instVer Cabal
+           forM_ (_viPreInstall =<< vi) $ \msg -> do
+             lift $ logWarn msg
+             lift $ logWarn
+               "...waiting for 5 seconds, you can still abort..."
+             liftIO $ threadDelay 5000000 -- give the user a sec to intervene
            liftE $ runBothE' (installCabalBindist
                                       (DownloadInfo uri Nothing "" Nothing Nothing)
                                       v
@@ -448,6 +469,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
      (case instBindist of
        Nothing -> runInstTool s' $ do
          (_tvVersion -> v, vi) <- liftE $ fromVersion instVer HLS
+         forM_ (_viPreInstall =<< vi) $ \msg -> do
+           lift $ logWarn msg
+           lift $ logWarn
+             "...waiting for 5 seconds, you can still abort..."
+           liftIO $ threadDelay 5000000 -- give the user a sec to intervene
          liftE $ runBothE' (installHLSBin
                                     v
                                     (maybe GHCupInternal IsolateDir isolateDir)
@@ -457,6 +483,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
        Just uri -> do
          runInstTool s'{ settings = settings { noVerify = True}} $ do
            (_tvVersion -> v, vi) <- liftE $ fromVersion instVer HLS
+           forM_ (_viPreInstall =<< vi) $ \msg -> do
+             lift $ logWarn msg
+             lift $ logWarn
+               "...waiting for 5 seconds, you can still abort..."
+             liftIO $ threadDelay 5000000 -- give the user a sec to intervene
            -- TODO: support legacy
            liftE $ runBothE' (installHLSBindist
                                       (DownloadInfo uri (if isWindows then Nothing else Just (RegexDir "haskell-language-server-*")) "" Nothing Nothing)
@@ -498,6 +529,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
      (case instBindist of
         Nothing -> runInstTool s' $ do
           (_tvVersion -> v, vi) <- liftE $ fromVersion instVer Stack
+          forM_ (_viPreInstall =<< vi) $ \msg -> do
+            lift $ logWarn msg
+            lift $ logWarn
+              "...waiting for 5 seconds, you can still abort..."
+            liftIO $ threadDelay 5000000 -- give the user a sec to intervene
           liftE $ runBothE' (installStackBin
                                      v
                                      (maybe GHCupInternal IsolateDir isolateDir)
@@ -507,6 +543,11 @@ install installCommand settings getAppState' runLogger = case installCommand of
         Just uri -> do
           runInstTool s'{ settings = settings { noVerify = True}} $ do
             (_tvVersion -> v, vi) <- liftE $ fromVersion instVer Stack
+            forM_ (_viPreInstall =<< vi) $ \msg -> do
+              lift $ logWarn msg
+              lift $ logWarn
+                "...waiting for 5 seconds, you can still abort..."
+              liftIO $ threadDelay 5000000 -- give the user a sec to intervene
             liftE $ runBothE' (installStackBindist
                                        (DownloadInfo uri Nothing "" Nothing Nothing)
                                        v

lib-opt/GHCup/OptParse/Upgrade.hs

@@ -17,6 +17,7 @@ import           GHCup.Types
 import           GHCup.Prelude.File
 import           GHCup.Prelude.Logger
 
+import           Control.Concurrent (threadDelay)
 #if !MIN_VERSION_base(4,13,0)
 import           Control.Monad.Fail             ( MonadFail )
 #endif
@@ -135,8 +136,15 @@ upgrade uOpts force' fatal Dirs{..} runAppState runLogger = do
     UpgradeGHCupDir -> pure (Just (binDir </> "ghcup" <> exeExt))
 
   runUpgrade runAppState (do
-    v' <- liftE $ upgradeGHCup target force' fatal
     GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
+    Just (tver, vi) <- pure $ getLatest dls GHCup
+    let latestVer = _tvVersion tver
+    forM_ (_viPreInstall vi) $ \msg -> do
+      lift $ logWarn msg
+      lift $ logWarn
+        "...waiting for 5 seconds, you can still abort..."
+      liftIO $ threadDelay 5000000 -- give the user a sec to intervene
+    v' <- liftE $ upgradeGHCup' target force' fatal latestVer
     pure (v', dls)
     ) >>= \case
       VRight (v', dls) -> do

lib/GHCup.hs

@@ -273,7 +273,6 @@ getDebugInfo = do
     --[ GHCup upgrade etc ]--
     -------------------------
 
-
 -- | Upgrade ghcup and place it in @~\/.ghcup\/bin\/ghcup@,
 -- if no path is provided.
 upgradeGHCup :: ( MonadMask m
@@ -308,11 +307,48 @@ upgradeGHCup :: ( MonadMask m
                   m
                   Version
 upgradeGHCup mtarget force' fatal = do
-  Dirs {..} <- lift getDirs
   GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
-
-  lift $ logInfo "Upgrading GHCup..."
   let latestVer = _tvVersion $ fst (fromJust (getLatest dls GHCup))
+  upgradeGHCup' mtarget force' fatal latestVer
+
+
+-- | Upgrade ghcup and place it in @~\/.ghcup\/bin\/ghcup@,
+-- if no path is provided.
+upgradeGHCup' :: ( MonadMask m
+                 , MonadReader env m
+                 , HasDirs env
+                 , HasPlatformReq env
+                 , HasGHCupInfo env
+                 , HasSettings env
+                 , MonadCatch m
+                 , HasLog env
+                 , MonadThrow m
+                 , MonadFail m
+                 , MonadResource m
+                 , MonadIO m
+                 , MonadUnliftIO m
+                 )
+              => Maybe FilePath    -- ^ full file destination to write ghcup into
+              -> Bool              -- ^ whether to force update regardless
+                                   --   of currently installed version
+              -> Bool              -- ^ whether to throw an error if ghcup is shadowed
+              -> Version
+              -> Excepts
+                   '[ CopyError
+                    , DigestError
+                    , ContentLengthError
+                    , GPGError
+                    , GPGError
+                    , DownloadFailed
+                    , NoDownload
+                    , NoUpdate
+                    , ToolShadowed
+                    ]
+                   m
+                   Version
+upgradeGHCup' mtarget force' fatal latestVer = do
+  Dirs {..} <- lift getDirs
+  lift $ logInfo "Upgrading GHCup..."
   (Just ghcupPVPVer) <- pure $ pvpToVersion ghcUpVer ""
   when (not force' && (latestVer <= ghcupPVPVer)) $ throwE NoUpdate
   dli   <- liftE $ getDownloadInfo GHCup latestVer
@@ -506,6 +542,26 @@ rmOldGHC = do
   forM_ ghcs $ \ghc -> when (ghc `elem` oldGHCs) $ rmGHCVer ghc
 
 
+rmUnsetTools :: ( MonadReader env m
+                , HasGHCupInfo env
+                , HasPlatformReq env
+                , HasDirs env
+                , HasLog env
+                , MonadIO m
+                , MonadFail m
+                , MonadMask m
+                , MonadUnliftIO m
+                )
+             => Excepts '[NotInstalled, UninstallFailed] m ()
+rmUnsetTools = do
+  vers <- lift $ listVersions Nothing [ListInstalled True, ListSet False] False True (Nothing, Nothing)
+  forM_ vers $ \ListResult{..} -> case lTool of
+    GHC   -> liftE $ rmGHCVer (GHCTargetVersion lCross lVer)
+    HLS   -> liftE $ rmHLSVer lVer
+    Cabal -> liftE $ rmCabalVer lVer
+    Stack -> liftE $ rmStackVer lVer
+    GHCup -> pure ()
+
 
 rmProfilingLibs :: ( MonadReader env m
                    , HasDirs env

lib/GHCup/Download.hs

@@ -177,7 +177,7 @@ getDownloadsF pfreq@(PlatformRequest arch plat _) = do
    where
     fromDownloadInfo :: DownloadInfo -> VersionInfo
     fromDownloadInfo dli = let aspec = M.singleton arch (M.singleton plat (M.singleton Nothing dli))
-                           in VersionInfo [] Nothing Nothing Nothing Nothing aspec Nothing Nothing Nothing
+                           in VersionInfo [] Nothing Nothing Nothing Nothing aspec Nothing Nothing Nothing Nothing
 
     fromStackDownloadInfo :: MonadThrow m => Stack.GHCDownloadInfo -> m DownloadInfo
     fromStackDownloadInfo (Stack.GHCDownloadInfo { gdiDownloadInfo = Stack.DownloadInfo{..} }) = do

lib/GHCup/Types.hs

@@ -149,6 +149,7 @@ data VersionInfo = VersionInfo
   , _viTestDL      :: Maybe DownloadInfo -- ^ test tarball
   , _viArch        :: ArchitectureSpec   -- ^ descend for binary downloads per arch
   -- informative messages
+  , _viPreInstall  :: Maybe Text
   , _viPostInstall :: Maybe Text
   , _viPostRemove  :: Maybe Text
   , _viPreCompile  :: Maybe Text

stack.yaml

@@ -37,7 +37,7 @@ extra-deps:
   - vty-6.2@sha256:3536dc83a3fee17d9a114baf58fe47b6f080c24987266f0cd0b7b4b1fcd9cf19,3520
   - vty-crossplatform-0.4.0.0@sha256:50593f91ad16777d921138475a8d2784d538fd206addd30664c620278d6c8544,3172
   - vty-unix-0.2.0.0@sha256:2af3d0bdae3c4b7b7e567ee374efe32c7439fabdf9096465ce011a6c6736e9ae,2932
-  - vty-windows-0.2.0.1@sha256:6c75230057a708168dbc420975572511ad3ec09956bf73c3b6f4be03324e8b13,2815
+  - vty-windows-0.2.0.2
   - yaml-streamly-0.12.4@sha256:b5250c5dc71d668c43c42ed6f86f956d69125136ea960858527a4b2ff712d3d1,5165
   - github: hasufell/uri-bytestring
     commit: 4fb5ed14b500c192e6e7a97f6b2b1eb478806001

test/optparse-test/GCTest.hs

@@ -17,6 +17,7 @@ defaultOptions =
     False
     False
     False
+    False
 
 gcCheckList :: [(String, GCOptions)]
 gcCheckList =
@@ -33,7 +34,9 @@ gcCheckList =
   , ("gc --cache", defaultOptions{gcCache = True})
   , ("gc -t", defaultOptions{gcTmp = True})
   , ("gc --tmpdirs", defaultOptions{gcTmp = True})
-  , ("gc -o -p -s -h -c -t", GCOptions True True True True True True)
+  , ("gc -u", defaultOptions{gcUnset = True})
+  , ("gc --unset", defaultOptions{gcUnset = True})
+  , ("gc -o -p -s -h -c -t -u", GCOptions True True True True True True True)
   ]
 
 gcParseWith :: [String] -> IO GCOptions