# Feldera fda CLI installer for Windows

# Usage:

# irm https://feldera.com/install-fda.ps1 | iex

# $env:FDA_VERSION="v0.270.0"; irm https://feldera.com/install-fda.ps1 | iex

# $env:FELDERA_INSTALL="C:\tools\feldera"; irm https://feldera.com/install-fda.ps1 | iex

$ErrorActionPreference = 'Stop'

$FelderaInstall = if ($env:FELDERA_INSTALL) { $env:FELDERA_INSTALL } else { "$env:USERPROFILE\.feldera" }

$BinDir = "$FelderaInstall\bin"

# AddressWidth is OS bitness, not CPU arch: blocks 32-bit Windows only.

# arm64 passes and gets the x86_64 binary, which runs via Windows emulation.

$Arch = (Get-CimInstance Win32_Processor).AddressWidth

if ($Arch -ne 64) {

Write-Error "Unsupported OS: only 64-bit Windows is supported."

exit 1

}

$Target = "x86_64-pc-windows-msvc"

if ($env:FDA_VERSION) {

$Version = $env:FDA_VERSION

$DownloadUrl = "https://github.com/feldera/feldera/releases/download/$Version/fda-$Target.zip"

Write-Host "Installing fda $Version"

} else {

$DownloadUrl = "https://github.com/feldera/feldera/releases/latest/download/fda-$Target.zip"

Write-Host "Installing fda (latest)"

}

$TmpDir = [System.IO.Path]::GetTempPath() + [System.Guid]::NewGuid().ToString()

New-Item -ItemType Directory -Path $TmpDir | Out-Null

try {

$TmpZip = "$TmpDir\fda.zip"

Write-Host "Downloading from $DownloadUrl"

Invoke-WebRequest -Uri $DownloadUrl -OutFile $TmpZip -UseBasicParsing

Write-Host "Extracting fda binary"

Expand-Archive -Path $TmpZip -DestinationPath $TmpDir -Force

New-Item -ItemType Directory -Force -Path $BinDir | Out-Null

Move-Item -Force "$TmpDir\fda.exe" "$BinDir\fda.exe"

Write-Host "Installed fda to $BinDir\fda.exe"

} finally {

Remove-Item -Recurse -Force $TmpDir -ErrorAction SilentlyContinue

}

# Add to PATH (user scope) if not already present

$UserPath = [Environment]::GetEnvironmentVariable('PATH', 'User')

if ($UserPath -notlike "*$BinDir*") {

[Environment]::SetEnvironmentVariable('PATH', "$BinDir;$UserPath", 'User')

Write-Host "Added $BinDir to PATH (user). Restart your shell for it to take effect."

}

Write-Host ""

Write-Host "fda was installed successfully!"

& "$BinDir\fda.exe" --version 2>$null

Write-Host ""

Write-Host "To enable shell completions, see:"

Write-Host " https://docs.feldera.com/docs/interface/cli#optional-shell-completion"