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70 lines
2.8 KiB
PowerShell
70 lines
2.8 KiB
PowerShell
################################################################################
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## File: Install-Haskell.ps1
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## Desc: Install Haskell for Windows
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################################################################################
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# install minimal ghcup, utilizing pre-installed msys2 at C:\msys64
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Write-Host 'Installing ghcup...'
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$msysPath = "C:\msys64"
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$ghcupPrefix = "C:\"
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$cabalDir = "C:\cabal"
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$ghcupDownloadURL = "https://downloads.haskell.org/~ghcup/x86_64-mingw64-ghcup.exe"
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# If you want to install a specific version of ghcup, uncomment the following lines
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# $ghver = "0.1.19.4"
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# $ghcupDownloadURL = "https://downloads.haskell.org/~ghcup/${ghver}/x86_64-mingw64-ghcup-${ghver}.exe"
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# Other option is to download ghcup from GitHub releases:
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# https://github.com/haskell/ghcup-hs/releases/latest
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New-Item -Path "$ghcupPrefix\ghcup" -ItemType 'directory' -ErrorAction SilentlyContinue | Out-Null
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New-Item -Path "$ghcupPrefix\ghcup\bin" -ItemType 'directory' -ErrorAction SilentlyContinue | Out-Null
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Invoke-DownloadWithRetry -Url $ghcupDownloadURL -Path "$ghcupPrefix\ghcup\bin\ghcup.exe"
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[Environment]::SetEnvironmentVariable("GHCUP_INSTALL_BASE_PREFIX", $ghcupPrefix, "Machine")
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[Environment]::SetEnvironmentVariable("GHCUP_MSYS2", $msysPath, "Machine")
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[Environment]::SetEnvironmentVariable("CABAL_DIR", $cabalDir, "Machine")
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Add-MachinePathItem "$ghcupPrefix\ghcup\bin"
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Add-MachinePathItem "$cabalDir\bin"
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Update-Environment
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# Get 1 or 3 latest versions of GHC depending on the OS version
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If (Test-IsWin25) {
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$numberOfVersions = 1
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} else {
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$numberOfVersions = 3
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}
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$versions = ghcup list -t ghc -r | Where-Object { $_ -notlike "prerelease" }
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$versionsOutput = [version[]]($versions | ForEach-Object { $_.Split(' ')[1]; })
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$latestMajorMinor = $versionsOutput | Group-Object { $_.ToString(2) } | Sort-Object { [Version] $_.Name } | Select-Object -last $numberOfVersions
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$versionsList = $latestMajorMinor | ForEach-Object { $_.Group | Select-Object -Last 1 } | Sort-Object
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# The latest version will be installed as a default
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foreach ($version in $versionsList) {
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Write-Host "Installing ghc $version..."
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ghcup install ghc $version
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if ($LastExitCode -ne 0) {
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throw "GHC installation failed with exit code $LastExitCode"
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}
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ghcup set ghc $version
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if ($LastExitCode -ne 0) {
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throw "Setting GHC version failed with exit code $LastExitCode"
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}
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}
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# Add default version of GHC to path
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$defaultGhcVersion = $versionsList | Select-Object -Last 1
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ghcup set ghc $defaultGhcVersion
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if ($LastExitCode -ne 0) {
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throw "Setting default GHC version failed with exit code $LastExitCode"
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}
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Write-Host 'Installing cabal...'
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ghcup install cabal latest
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if ($LastExitCode -ne 0) {
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throw "Cabal installation failed with exit code $LastExitCode"
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}
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Invoke-PesterTests -TestFile 'Haskell'
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