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34 lines
1.6 KiB
PowerShell
34 lines
1.6 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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# Get 3 latest versions of GHC
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[Version[]] $ChocoVersionsOutput = & choco search ghc --allversions | Where-Object { $_.StartsWith('ghc ') -and $_ -match 'Approved' } | ForEach-Object { [regex]::matches($_, '\d+(\.\d+){2,}').value }
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$MajorMinorGroups = $ChocoVersionsOutput | Group-Object { $_.ToString(2) } | Sort-Object Name -Descending | Select-Object -First 3
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$VersionsList = $MajorMinorGroups | ForEach-Object { $_.Group | Select-Object -First 1 } | Sort-Object
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# The latest version will be installed as a default
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ForEach ($version in $VersionsList)
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{
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Write-Host "Installing ghc $version..."
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Choco-Install -PackageName ghc -ArgumentList '--version', $version, '-m'
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}
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# Add default version of GHC to path, because choco formula updates path on user level
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$DefaultGhcVersion = $VersionsList | Select-Object -Last 1
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$DefaultGhcShortVersion = ([version]$DefaultGhcVersion).ToString(3)
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$DefaultGhcPath = Join-Path $env:ChocolateyInstall "lib\ghc.$DefaultGhcVersion\tools\ghc-$DefaultGhcShortVersion\bin"
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# Starting from version 9 haskell installation directory is $env:ChocolateyToolsLocation instead of $env:ChocolateyInstall\lib
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if ($DefaultGhcShortVersion -notmatch '^[0-8]\.\d+.*')
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{
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$DefaultGhcPath = Join-Path $env:ChocolateyToolsLocation "ghc-$DefaultGhcShortVersion\bin"
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}
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Add-MachinePathItem -PathItem $DefaultGhcPath
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Write-Host 'Installing cabal...'
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Choco-Install -PackageName cabal
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Invoke-PesterTests -TestFile 'Haskell'
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