deno_install/install.ps1
2019-01-26 05:50:53 -05:00

105 lines
2.8 KiB
PowerShell

#!/usr/bin/env pwsh
# Copyright 2018 the Deno authors. All rights reserved. MIT license.
# TODO(everyone): Keep this script simple and easily auditable.
$ErrorActionPreference = 'Stop'
if ($args.Length -gt 0) {
$Version = $args.Get(0)
}
if ($PSVersionTable.PSVersion.Major -lt 6) {
$IsWindows = $true
$IsMacOS = $false
}
$BinDir = if ($IsWindows) {
"$Home\.deno\bin"
} else {
"$Home/.deno/bin"
}
$Zip = if ($IsWindows) {
'zip'
} else {
'gz'
}
$DenoZip = if ($IsWindows) {
"$BinDir\deno.$Zip"
} else {
"$BinDir/deno.$Zip"
}
$DenoExe = if ($IsWindows) {
"$BinDir\deno.exe"
} else {
"$BinDir/deno"
}
$OS = if ($IsWindows) {
'win'
} else {
if ($IsMacOS) {
'osx'
} else {
'linux'
}
}
if (!$Version) {
if ($PSVersionTable.PSVersion.Major -lt 6) {
$Response = Invoke-WebRequest 'https://github.com/denoland/deno/releases'
$HTMLFile = New-Object -Com HTMLFile
if ($HTMLFile.IHTMLDocument2_write) {
$HTMLFile.IHTMLDocument2_write($Response.Content)
} else {
$HTMLFile.write([System.Text.Encoding]::Unicode.GetBytes($Response.Content))
}
$DenoUri = $HTMLFile.getElementsByTagName('a') |
Where-Object { $_.href -like "about:/denoland/deno/releases/download/*/deno_${OS}_x64.$Zip" } |
ForEach-Object { $_.href -replace 'about:', 'https://github.com' } |
Select-Object -First 1
} else {
$DenoUri = (Invoke-WebRequest 'https://github.com/denoland/deno/releases').Links |
Where-Object { $_.href -like "/denoland/deno/releases/download/*/deno_${OS}_x64.$Zip" } |
ForEach-Object { 'https://github.com' + $_.href } |
Select-Object -First 1
}
} else {
$DenoUri = "https://github.com/denoland/deno/releases/download/$Version/deno_${OS}_x64.$Zip"
}
if (!(Test-Path $BinDir)) {
New-Item $BinDir -ItemType Directory | Out-Null
}
Invoke-WebRequest $DenoUri -Out $DenoZip
if ($IsWindows) {
Expand-Archive $DenoZip -Destination $BinDir -Force
Remove-Item $DenoZip
} else {
gunzip -df $DenoZip
}
if ($IsWindows) {
$User = [EnvironmentVariableTarget]::User
$Path = [Environment]::GetEnvironmentVariable('Path', $User)
if (!(";$Path;".ToLower() -like "*;$BinDir;*".ToLower())) {
[Environment]::SetEnvironmentVariable('Path', "$Path;$BinDir", $User)
$Env:Path += ";$BinDir"
}
Write-Output "Deno was installed successfully to $DenoExe"
Write-Output "Run 'deno --help' to get started"
} else {
chmod +x "$BinDir/deno"
Write-Output "Deno was installed successfully to $DenoExe"
if (Get-Command deno -ErrorAction SilentlyContinue) {
Write-Output "Run 'deno --help' to get started"
} else {
Write-Output "Manually add the directory to your `$HOME/.bash_profile (or similar)"
Write-Output " export PATH=`"${BinDir}:`$PATH`""
Write-Output "Run '~/.deno/bin/deno --help' to get started"
}
}