Implement 'whereis' subcommand, fixes #173
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3786C5262ECB4A3F
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@ -84,8 +84,10 @@ ghcup-gen check -f ghcup-${JSON_VERSION}.yaml
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eghcup --numeric-version
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eghcup install ${GHC_VERSION}
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[ `$(eghcup whereis ghc ${GHC_VERSION}) --numeric-version` = "${GHC_VERSION}" ]
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eghcup set ${GHC_VERSION}
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eghcup install-cabal ${CABAL_VERSION}
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[ `$(eghcup whereis cabal ${CABAL_VERSION}) --numeric-version` = "${CABAL_VERSION}" ]
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cabal --version
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@ -125,10 +127,10 @@ else
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if [ "${OS}" = "DARWIN" ] ; then
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eghcup install hls
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haskell-language-server-wrapper --version
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$(eghcup whereis hls) --version
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eghcup install stack
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stack --version
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$(eghcup whereis stack) --version
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elif [ "${OS}" = "LINUX" ] ; then
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if [ "${ARCH}" = "64" ] ; then
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eghcup install hls
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@ -100,6 +100,7 @@ data Command
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| Rm (Either RmCommand RmOptions)
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| DInfo
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| Compile CompileCommand
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| Whereis WhereisOptions WhereisCommand
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| Upgrade UpgradeOpts Bool
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| ToolRequirements
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| ChangeLog ChangeLogOptions
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@ -190,6 +191,13 @@ data ChangeLogOptions = ChangeLogOptions
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}
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data WhereisCommand = WhereisTool Tool (Maybe ToolVersion)
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data WhereisOptions = WhereisOptions {
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directory :: Bool
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}
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-- https://github.com/pcapriotti/optparse-applicative/issues/148
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-- | A switch that can be enabled using --foo and disabled using --no-foo.
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@ -335,6 +343,17 @@ com =
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<$> info (compileP <**> helper)
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(progDesc "Compile a tool from source")
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)
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<> command
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"whereis"
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(info
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( (Whereis
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<$> (WhereisOptions <$> switch (short 'd' <> long "directory" <> help "return directory of the binary instead of the binary location"))
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<*> whereisP
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) <**> helper
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)
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(progDesc "Find a tools location"
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<> footerDoc ( Just $ text whereisFooter ))
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)
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<> commandGroup "Main commands:"
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)
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<|> subparser
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@ -402,6 +421,23 @@ com =
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By default returns the URI of the ChangeLog of the latest GHC release.
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Pass '-o' to automatically open via xdg-open.|]
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whereisFooter :: String
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whereisFooter = [s|Discussion:
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Finds the location of a tool. For GHC, this is the ghc binary, that
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usually resides in a self-contained "~/.ghcup/ghc/<ghcver>" directory.
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For cabal/stack/hls this the binary usually at "~/.ghcup/bin/<tool>-<ver>".
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Examples:
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# outputs ~/.ghcup/ghc/8.10.5/bin/ghc.exe
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ghcup whereis ghc 8.10.5
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# outputs ~/.ghcup/ghc/8.10.5/bin/
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ghcup whereis --directory ghc 8.10.5
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# outputs ~/.ghcup/bin/cabal-3.4.0.0
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ghcup whereis cabal 3.4.0.0
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# outputs ~/.ghcup/bin/
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ghcup whereis --directory cabal 3.4.0.0|]
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installCabalFooter :: String
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installCabalFooter = [s|Discussion:
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Installs the specified cabal-install version (or a recommended default one)
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@ -706,6 +742,86 @@ Examples:
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ghcup compile ghc -j 4 -v 8.4.2 -b 8.2.2 -x armv7-unknown-linux-gnueabihf --config $(pwd)/build.mk -- --enable-unregisterised|]
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whereisP :: Parser WhereisCommand
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whereisP = subparser
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( command
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"ghc"
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(WhereisTool GHC <$> info
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( optional (toolVersionArgument Nothing (Just GHC)) <**> helper )
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( progDesc "Get GHC location"
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<> footerDoc (Just $ text whereisGHCFooter ))
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)
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<>
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command
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"cabal"
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(WhereisTool Cabal <$> info
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( optional (toolVersionArgument Nothing (Just Cabal)) <**> helper )
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( progDesc "Get cabal location"
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<> footerDoc (Just $ text whereisCabalFooter ))
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)
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<>
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command
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"hls"
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(WhereisTool HLS <$> info
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( optional (toolVersionArgument Nothing (Just HLS)) <**> helper )
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( progDesc "Get HLS location"
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<> footerDoc (Just $ text whereisHLSFooter ))
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)
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<>
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command
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"stack"
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(WhereisTool Stack <$> info
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( optional (toolVersionArgument Nothing (Just Stack)) <**> helper )
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( progDesc "Get stack location"
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<> footerDoc (Just $ text whereisStackFooter ))
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)
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<>
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command
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"ghcup"
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(WhereisTool GHCup <$> info ( (pure Nothing) <**> helper ) ( progDesc "Get ghcup location" ))
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)
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where
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whereisGHCFooter = [s|Discussion:
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Finds the location of a GHC executable, which usually resides in
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a self-contained "~/.ghcup/ghc/<ghcver>" directory.
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Examples:
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# outputs ~/.ghcup/ghc/8.10.5/bin/ghc.exe
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ghcup whereis ghc 8.10.5
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# outputs ~/.ghcup/ghc/8.10.5/bin/
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ghcup whereis --directory ghc 8.10.5 |]
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whereisCabalFooter = [s|Discussion:
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Finds the location of a Cabal executable, which usually resides in
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"~/.ghcup/bin/".
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Examples:
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# outputs ~/.ghcup/bin/cabal-3.4.0.0
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ghcup whereis cabal 3.4.0.0
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# outputs ~/.ghcup/bin
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ghcup whereis --directory cabal 3.4.0.0|]
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whereisHLSFooter = [s|Discussion:
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Finds the location of a HLS executable, which usually resides in
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"~/.ghcup/bin/".
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Examples:
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# outputs ~/.ghcup/bin/haskell-language-server-wrapper-1.2.0
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ghcup whereis hls 1.2.0
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# outputs ~/.ghcup/bin/
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ghcup whereis --directory hls 1.2.0|]
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whereisStackFooter = [s|Discussion:
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Finds the location of a stack executable, which usually resides in
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"~/.ghcup/bin/".
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Examples:
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# outputs ~/.ghcup/bin/stack-2.7.1
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ghcup whereis stack 2.7.1
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# outputs ~/.ghcup/bin/
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ghcup whereis --directory stack 2.7.1|]
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ghcCompileOpts :: Parser GHCCompileOptions
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ghcCompileOpts =
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GHCCompileOptions
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@ -1265,6 +1381,17 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
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#endif
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]
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let
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runWhereIs =
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runLogger
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. flip runReaderT appstate
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. runE
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@'[ NotInstalled
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, NoToolVersionSet
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, NextVerNotFound
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, TagNotFound
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]
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let runUpgrade =
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runLogger
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. flip runReaderT appstate
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@ -1628,6 +1755,22 @@ Make sure to clean up #{tmpdir} afterwards.|])
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runLogger $ $(logError) $ T.pack $ prettyShow e
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pure $ ExitFailure 9
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Whereis WhereisOptions{..} (WhereisTool tool whereVer) ->
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runWhereIs (do
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(v, _) <- liftE $ fromVersion whereVer tool
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loc <- liftE $ whereIsTool tool v
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if directory
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then pure $ takeDirectory loc
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else pure loc
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)
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>>= \case
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VRight r -> do
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putStr r
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pure ExitSuccess
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VLeft e -> do
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runLogger $ $(logError) $ T.pack $ prettyShow e
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pure $ ExitFailure 30
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Upgrade uOpts force -> do
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target <- case uOpts of
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UpgradeInplace -> Just <$> liftIO getExecutablePath
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46
lib/GHCup.hs
46
lib/GHCup.hs
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@ -1880,3 +1880,49 @@ postGHCInstall ver@GHCTargetVersion {..} = do
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$ getMajorMinorV _tvVersion
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forM_ v' $ \(mj, mi) -> lift (getGHCForMajor mj mi _tvTarget)
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>>= mapM_ (\v -> liftE $ setGHC v SetGHC_XY)
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-- | Reports the binary location of a given tool:
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--
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-- * for GHC, this reports: @~\/.ghcup\/ghc\/\<ver\>\/bin\/ghc@
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-- * for cabal, this reports @~\/.ghcup\/bin\/cabal-\<ver\>@
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-- * for hls, this reports @~\/.ghcup\/bin\/haskell-language-server-wrapper-\<ver\>@
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-- * for stack, this reports @~\/.ghcup\/bin\/stack-\<ver\>@
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-- * for ghcup, this reports the location of the currently running executable
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whereIsTool :: ( MonadReader AppState m
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, MonadLogger m
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, MonadThrow m
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, MonadFail m
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, MonadIO m
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, MonadCatch m
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, MonadMask m
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, MonadUnliftIO m
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)
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=> Tool
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-> GHCTargetVersion
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-> Excepts '[NotInstalled] m FilePath
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whereIsTool tool ver@GHCTargetVersion {..} = do
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AppState { dirs } <- lift ask
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case tool of
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GHC -> do
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whenM (lift $ fmap not $ ghcInstalled ver)
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$ throwE (NotInstalled GHC ver)
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bdir <- lift $ ghcupGHCDir ver
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pure (bdir </> "bin" </> "ghc" <> exeExt)
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Cabal -> do
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whenM (lift $ fmap not $ cabalInstalled _tvVersion)
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$ throwE (NotInstalled Cabal (GHCTargetVersion Nothing _tvVersion))
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pure (binDir dirs </> "cabal-" <> T.unpack (prettyVer _tvVersion) <> exeExt)
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HLS -> do
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whenM (lift $ fmap not $ hlsInstalled _tvVersion)
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$ throwE (NotInstalled HLS (GHCTargetVersion Nothing _tvVersion))
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pure (binDir dirs </> "haskell-language-server-wrapper-" <> T.unpack (prettyVer _tvVersion) <> exeExt)
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Stack -> do
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whenM (lift $ fmap not $ stackInstalled _tvVersion)
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$ throwE (NotInstalled Stack (GHCTargetVersion Nothing _tvVersion))
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pure (binDir dirs </> "stack-" <> T.unpack (prettyVer _tvVersion) <> exeExt)
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GHCup -> do
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currentRunningExecPath <- liftIO getExecutablePath
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liftIO $ canonicalizePath currentRunningExecPath
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