58 lines
1.8 KiB
PowerShell
58 lines
1.8 KiB
PowerShell
## bootstrap/node_.ps1
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##
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## Node bootstrapping script for Windows.
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##
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## Automatically downloads a Node version to a cache directory and invokes it.
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##
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## The underscore in the name is so that typing `bootstrap/node` into
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## PowerShell finds the `.bat` file first, which ensures this script executes
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## regardless of ExecutionPolicy.
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#Requires -Version 4.0
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$Host.ui.RawUI.WindowTitle = "starting :: node $Args"
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$ErrorActionPreference = "Stop"
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## This forces UTF-8 encoding across all powershell built-ins
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$OutputEncoding = [System.Console]::OutputEncoding = [System.Text.Encoding]::UTF8
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$PSDefaultParameterValues['*:Encoding'] = 'utf8'
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function ExtractVersion {
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param([string] $Path, [string] $Key)
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foreach ($Line in Get-Content $Path) {
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if ($Line.StartsWith("export $Key=")) {
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return $Line.Substring("export $Key=".Length)
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}
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}
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throw "Couldn't find value for $Key in $Path"
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}
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## Convenience variables
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$BaseDir = Split-Path $script:MyInvocation.MyCommand.Path
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$Cache = "$BaseDir/.cache"
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if ($Env:TG_BOOTSTRAP_CACHE) {
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$Cache = $Env:TG_BOOTSTRAP_CACHE
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}
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$NodeVersion = ExtractVersion -Path "$BaseDir/../../dependencies.sh" -Key "NODE_VERSION_PRECISE"
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$NodeDir = "$Cache/node-v$NodeVersion"
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$NodeExe = "$NodeDir/node.exe"
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## Download and unzip Node
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if (!(Test-Path $NodeExe -PathType Leaf)) {
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$Host.ui.RawUI.WindowTitle = "Downloading Node $NodeVersion..."
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New-Item $NodeDir -ItemType Directory -ErrorAction silentlyContinue | Out-Null
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Invoke-WebRequest `
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"https://nodejs.org/download/release/v$NodeVersion/win-x86/node.exe" `
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-OutFile $NodeExe `
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-ErrorAction Stop
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}
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## Set PATH so that recursive calls find it
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$Env:PATH = "$NodeDir;$ENV:Path"
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## Invoke Node with all command-line arguments
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$Host.ui.RawUI.WindowTitle = "node $Args"
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$ErrorActionPreference = "Continue"
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& "$NodeExe" @Args
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exit $LastExitCode
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