234 lines
9.0 KiB
PowerShell
234 lines
9.0 KiB
PowerShell
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#Requires -Version 5.1
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<#
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.SYNOPSIS
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Installs OpenCode (open-source AI coding agent) on Windows.
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.DESCRIPTION
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Auto-detects the latest release from https://github.com/anomalyco/opencode/releases,
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downloads the zip file matching your Windows architecture, extracts opencode.exe
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to $env:USERPROFILE\.local\bin, and adds the directory to your User PATH.
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Supported architectures:
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- x64 (AMD64 / Intel 64-bit)
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- ARM64 (Qualcomm Snapdragon, ARM 64-bit)
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.PARAMETER InstallDir
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Directory to install opencode.exe. Default: $env:USERPROFILE\.local\bin
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.PARAMETER AddToPath
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Whether to permanently add InstallDir to user PATH. Default: $true
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.EXAMPLE
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.\install-opencode.ps1
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# One-liner install from remote (works on Windows 10+):
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powershell -ExecutionPolicy Bypass -c "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $t=\"$env:TEMP\install-opencode.ps1\"; iwr -useb 'https://gl.isitsoft.kr/publicproj/install-sh/-/raw/main/install-opencode.ps1' -OutFile $t; & $t"
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.NOTES
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If execution policy error occurs:
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Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
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#>
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[CmdletBinding()]
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param(
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[string] $InstallDir = "$env:USERPROFILE\.local\bin",
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[bool] $AddToPath = $true
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = 'Stop'
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# Enforce TLS 1.2+ for HTTPS downloads (required on Windows 10 / PowerShell 5.1)
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[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
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# ────────────────────────────────────────────
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# Constants
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# ────────────────────────────────────────────
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$REPO = "anomalyco/opencode"
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$API_URL = "https://api.github.com/repos/$REPO/releases/latest"
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$FALLBACK_TAG = "v1.18.35"
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# ────────────────────────────────────────────
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# Utility functions (English only to prevent Windows console encoding issues)
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# ────────────────────────────────────────────
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function Info { Write-Host "[INFO] $args" -ForegroundColor Cyan }
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function Warn { Write-Host "[WARN] $args" -ForegroundColor Yellow }
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function Success { Write-Host "[OK] $args" -ForegroundColor Green }
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function ErrExit { Write-Host "[ERROR] $args" -ForegroundColor Red; exit 1 }
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# ────────────────────────────────────────────
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# Platform detection
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# ────────────────────────────────────────────
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function Get-Platform {
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$arch = $env:PROCESSOR_ARCHITEW6432
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if (-not $arch) { $arch = $env:PROCESSOR_ARCHITECTURE }
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switch -Regex ($arch) {
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'^(AMD64|x64)$' { return 'windows-x64' }
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'^(ARM64)$' { return 'windows-arm64' }
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default {
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ErrExit "Unsupported CPU architecture: '$arch'. Supported: x64, ARM64."
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}
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}
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}
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# ────────────────────────────────────────────
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# Fetch latest release tag and asset URL
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# ────────────────────────────────────────────
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function Get-ReleaseInfo {
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param([string]$Platform)
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Info "Fetching latest OpenCode release from GitHub..."
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$tag = $FALLBACK_TAG
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$assetUrl = $null
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$targetPattern = "opencode-${Platform}.zip"
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try {
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$headers = @{ 'User-Agent' = 'install-opencode-ps1' }
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$release = Invoke-RestMethod -Uri $API_URL -Headers $headers -TimeoutSec 10 -UseBasicParsing
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if ($release -and $release.tag_name) {
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$tag = $release.tag_name
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$asset = $release.assets | Where-Object { $_.name -like "*${Platform}.zip" } | Select-Object -First 1
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if ($asset -and $asset.browser_download_url) {
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$assetUrl = $asset.browser_download_url
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}
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}
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} catch {
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Warn "GitHub API lookup failed: $_"
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Warn "Using fallback release tag: $FALLBACK_TAG"
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}
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if (-not $assetUrl) {
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$cleanTag = $tag.TrimStart('v')
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$assetUrl = "https://github.com/$REPO/releases/download/$tag/opencode-$Platform.zip"
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}
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return @{
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Tag = $tag
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Url = $assetUrl
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}
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}
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# ────────────────────────────────────────────
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# Download and install binary
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# ────────────────────────────────────────────
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function Install-OpenCode {
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param(
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[string]$Url,
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[string]$TargetDir
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)
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if (-not (Test-Path $TargetDir)) {
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New-Item -ItemType Directory -Path $TargetDir -Force | Out-Null
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}
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$tmpDir = Join-Path $env:TEMP "opencode_install_$(Get-Random)"
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New-Item -ItemType Directory -Path $tmpDir -Force | Out-Null
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$zipPath = Join-Path $tmpDir "opencode.zip"
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try {
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Info "Downloading OpenCode archive..."
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Info "URL: $Url"
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$ProgressPreference = 'SilentlyContinue'
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Invoke-WebRequest -Uri $Url -OutFile $zipPath -UseBasicParsing
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$ProgressPreference = 'Continue'
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if (-not (Test-Path $zipPath)) {
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ErrExit "Failed to download OpenCode archive from $Url"
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}
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Info "Extracting opencode.exe to $TargetDir..."
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Add-Type -AssemblyName System.IO.Compression.FileSystem
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$archive = [System.IO.Compression.ZipFile]::OpenRead($zipPath)
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$extracted = $false
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foreach ($entry in $archive.Entries) {
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if ($entry.Name -eq "opencode.exe") {
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$destFile = Join-Path $TargetDir "opencode.exe"
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[System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $destFile, $true)
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$extracted = $true
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break
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}
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}
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$archive.Dispose()
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if (-not $extracted) {
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ErrExit "opencode.exe was not found inside the downloaded archive."
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}
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Success "opencode.exe installed successfully into $TargetDir"
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} finally {
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if (Test-Path $tmpDir) {
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Remove-Item -Path $tmpDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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}
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}
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# ────────────────────────────────────────────
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# Register PATH environment variable
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# ────────────────────────────────────────────
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function Update-PathEnvironment {
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param([string]$Dir)
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$normalizedDir = $Dir.TrimEnd('\')
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# Current session PATH
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if ($env:Path -notlike "*$normalizedDir*") {
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$env:Path = "$normalizedDir;$env:Path"
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Info "Added $normalizedDir to current session PATH."
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}
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# Permanent User PATH in Windows Registry
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$userPath = [System.Environment]::GetEnvironmentVariable('Path', 'User')
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if (-not $userPath) { $userPath = '' }
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$pathParts = $userPath -split ';' | Where-Object { $_ -ne '' }
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$alreadyInPath = $false
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foreach ($p in $pathParts) {
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if ($p.Trim().TrimEnd('\') -eq $normalizedDir) {
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$alreadyInPath = $true
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break
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}
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}
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if (-not $alreadyInPath) {
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$newUserPath = if ($userPath) { "$normalizedDir;$userPath" } else { $normalizedDir }
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[System.Environment]::SetEnvironmentVariable('Path', $newUserPath, 'User')
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Success "Added $normalizedDir to User PATH permanently."
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Warn "Please open a new terminal window for PATH changes to take full effect."
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} else {
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Info "$normalizedDir is already present in User PATH."
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}
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}
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# ────────────────────────────────────────────
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# Main Entry Point
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# ────────────────────────────────────────────
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function Main {
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Info "===== OpenCode install script (Windows PowerShell) ====="
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Info "Target install directory: $InstallDir"
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$platform = Get-Platform
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Info "Detected platform: $platform"
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$releaseInfo = Get-ReleaseInfo -Platform $platform
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Info "Release version: $($releaseInfo.Tag)"
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Install-OpenCode -Url $releaseInfo.Url -TargetDir $InstallDir
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if ($AddToPath) {
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Update-PathEnvironment -Dir $InstallDir
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} else {
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Warn "Skipping PATH environment update as requested (-AddToPath `$false)."
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}
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Success "OpenCode installation completed successfully!"
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Info ""
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Info "How to run:"
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Info " opencode - Launch interactive TUI coding session"
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Info " opencode auth login - Configure AI model provider accounts"
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Info " opencode --help - Show help and available commands"
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Info ""
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}
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Main
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