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1304424600
This should stop people from getting "corrupt" copies of node.exe in their `./tools/bootstrap/.cache` directory. I checked before making this commit that WebClient.DownloadFile can definitely result in a half-written file.
60 lines
1.7 KiB
PowerShell
60 lines
1.7 KiB
PowerShell
## bootstrap/node_.ps1
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## Downloads a Node version to a cache directory and invokes it.
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$ErrorActionPreference = "Stop"
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function Extract-Variable {
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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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function Download-Node {
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if (Test-Path $NodeTarget -PathType Leaf) {
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return
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}
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Write-Output "Downloading Node v$NodeVersion (may take a while)"
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New-Item $NodeTargetDir -ItemType Directory -ErrorAction silentlyContinue | Out-Null
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$WebClient = New-Object Net.WebClient
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$WebClient.DownloadFile($NodeSource, "$NodeTarget.downloading")
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Rename-Item "$NodeTarget.downloading" $NodeTarget
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}
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## Convenience variables
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$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 = Extract-Variable -Path "$BaseDir\..\..\dependencies.sh" -Key "NODE_VERSION_PRECISE"
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$NodeSource = "https://nodejs.org/download/release/v$NodeVersion/win-x64/node.exe"
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$NodeTargetDir = "$Cache\node-v$NodeVersion-x64"
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$NodeTarget = "$NodeTargetDir\node.exe"
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## Just print the path and exit
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if ($Args.length -eq 1 -and $Args[0] -eq "Get-Path") {
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Write-Output "$NodeTargetDir"
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exit 0
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}
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## Just download node and exit
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if ($Args.length -eq 1 -and $Args[0] -eq "Download-Node") {
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Download-Node
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exit 0
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}
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## Download node
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Download-Node
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## Set PATH so that recursive calls find it
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$Env:PATH = "$NodeTargetDir;$ENV:Path"
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## Invoke Node with all command-line arguments
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$ErrorActionPreference = "Continue"
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& "$NodeTarget" @Args
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exit $LastExitCode
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