mirror of
https://github.com/ollama/ollama.git
synced 2026-03-11 17:34:04 -05:00
aea316f1e9
This adds a new powershell install script suitable for running via irm https://ollama.com/install.ps1 | iex If you download the script and run '-?' it reports basic usage information, as well as usage examples for common customization options. The script is signed as part of the release process to ensure it can run on a typically configured Windows system. This does not include doc updates - we can merge those after a release ships to avoid user confusion.
272 lines
8.2 KiB
PowerShell
272 lines
8.2 KiB
PowerShell
<#
|
|
.SYNOPSIS
|
|
Install, upgrade, or uninstall Ollama on Windows.
|
|
|
|
.DESCRIPTION
|
|
Downloads and installs Ollama.
|
|
|
|
Quick install:
|
|
|
|
irm https://ollama.com/install.ps1 | iex
|
|
|
|
Specific version:
|
|
|
|
$env:OLLAMA_VERSION="0.5.7"; irm https://ollama.com/install.ps1 | iex
|
|
|
|
Custom install directory:
|
|
|
|
$env:OLLAMA_INSTALL_DIR="D:\Ollama"; irm https://ollama.com/install.ps1 | iex
|
|
|
|
Uninstall:
|
|
|
|
$env:OLLAMA_UNINSTALL=1; irm https://ollama.com/install.ps1 | iex
|
|
|
|
Environment variables:
|
|
|
|
OLLAMA_VERSION Target version (default: latest stable)
|
|
OLLAMA_INSTALL_DIR Custom install directory
|
|
OLLAMA_UNINSTALL Set to 1 to uninstall Ollama
|
|
OLLAMA_DEBUG Enable verbose output
|
|
|
|
.EXAMPLE
|
|
irm https://ollama.com/install.ps1 | iex
|
|
|
|
.EXAMPLE
|
|
$env:OLLAMA_VERSION = "0.5.7"; irm https://ollama.com/install.ps1 | iex
|
|
|
|
.LINK
|
|
https://ollama.com
|
|
#>
|
|
|
|
$ErrorActionPreference = "Stop"
|
|
$ProgressPreference = "SilentlyContinue"
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Configuration from environment variables
|
|
# --------------------------------------------------------------------------
|
|
|
|
$Version = if ($env:OLLAMA_VERSION) { $env:OLLAMA_VERSION } else { "" }
|
|
$InstallDir = if ($env:OLLAMA_INSTALL_DIR) { $env:OLLAMA_INSTALL_DIR } else { "" }
|
|
$Uninstall = $env:OLLAMA_UNINSTALL -eq "1"
|
|
$DebugInstall = [bool]$env:OLLAMA_DEBUG
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Constants
|
|
# --------------------------------------------------------------------------
|
|
|
|
# OLLAMA_DOWNLOAD_URL for developer testing only
|
|
$DownloadBaseURL = if ($env:OLLAMA_DOWNLOAD_URL) { $env:OLLAMA_DOWNLOAD_URL.TrimEnd('/') } else { "https://ollama.com/download" }
|
|
$InnoSetupUninstallGuid = "{44E83376-CE68-45EB-8FC1-393500EB558C}_is1"
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Helpers
|
|
# --------------------------------------------------------------------------
|
|
|
|
function Write-Status {
|
|
param([string]$Message)
|
|
if ($DebugInstall) { Write-Host $Message }
|
|
}
|
|
|
|
function Write-Step {
|
|
param([string]$Message)
|
|
if ($DebugInstall) { Write-Host ">>> $Message" -ForegroundColor Cyan }
|
|
}
|
|
|
|
function Test-Signature {
|
|
param([string]$FilePath)
|
|
|
|
$sig = Get-AuthenticodeSignature -FilePath $FilePath
|
|
if ($sig.Status -ne "Valid") {
|
|
Write-Status " Signature status: $($sig.Status)"
|
|
return $false
|
|
}
|
|
|
|
# Verify it's signed by Ollama Inc. (check exact organization name)
|
|
# Anchor with comma/boundary to prevent "O=Not Ollama Inc." from matching
|
|
$subject = $sig.SignerCertificate.Subject
|
|
if ($subject -notmatch "(^|, )O=Ollama Inc\.(,|$)") {
|
|
Write-Status " Unexpected signer: $subject"
|
|
return $false
|
|
}
|
|
|
|
Write-Status " Signature valid: $subject"
|
|
return $true
|
|
}
|
|
|
|
function Find-InnoSetupInstall {
|
|
# Check both HKCU (per-user) and HKLM (per-machine) locations
|
|
$possibleKeys = @(
|
|
"HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\$InnoSetupUninstallGuid",
|
|
"HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\$InnoSetupUninstallGuid",
|
|
"HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\$InnoSetupUninstallGuid"
|
|
)
|
|
|
|
foreach ($key in $possibleKeys) {
|
|
if (Test-Path $key) {
|
|
Write-Status " Found install at: $key"
|
|
return $key
|
|
}
|
|
}
|
|
return $null
|
|
}
|
|
|
|
function Update-SessionPath {
|
|
# Update PATH in current session so 'ollama' works immediately
|
|
if ($InstallDir) {
|
|
$ollamaDir = $InstallDir
|
|
} else {
|
|
$ollamaDir = Join-Path $env:LOCALAPPDATA "Programs\Ollama"
|
|
}
|
|
|
|
# Add to PATH if not already present
|
|
if (Test-Path $ollamaDir) {
|
|
$currentPath = $env:PATH -split ';'
|
|
if ($ollamaDir -notin $currentPath) {
|
|
$env:PATH = "$ollamaDir;$env:PATH"
|
|
Write-Status " Added $ollamaDir to session PATH"
|
|
}
|
|
}
|
|
}
|
|
|
|
function Invoke-Download {
|
|
param(
|
|
[string]$Url,
|
|
[string]$OutFile
|
|
)
|
|
|
|
Write-Status " Downloading: $Url"
|
|
try {
|
|
Invoke-WebRequest -Uri $Url -OutFile $OutFile -UseBasicParsing
|
|
$size = (Get-Item $OutFile).Length
|
|
Write-Status " Downloaded: $([math]::Round($size / 1MB, 1)) MB"
|
|
} catch {
|
|
if ($_.Exception.Response.StatusCode -eq 404) {
|
|
throw "Download failed: not found at $Url"
|
|
}
|
|
throw "Download failed for ${Url}: $($_.Exception.Message)"
|
|
}
|
|
}
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Uninstall
|
|
# --------------------------------------------------------------------------
|
|
|
|
function Invoke-Uninstall {
|
|
Write-Step "Uninstalling Ollama"
|
|
|
|
$regKey = Find-InnoSetupInstall
|
|
if (-not $regKey) {
|
|
Write-Host "Ollama is not installed."
|
|
return
|
|
}
|
|
|
|
$uninstallString = (Get-ItemProperty -Path $regKey).UninstallString
|
|
if (-not $uninstallString) {
|
|
Write-Warning "No uninstall string found in registry"
|
|
return
|
|
}
|
|
|
|
# Strip quotes if present
|
|
$uninstallExe = $uninstallString -replace '"', ''
|
|
Write-Status " Uninstaller: $uninstallExe"
|
|
|
|
if (-not (Test-Path $uninstallExe)) {
|
|
Write-Warning "Uninstaller not found at: $uninstallExe"
|
|
return
|
|
}
|
|
|
|
Write-Host "Launching uninstaller..."
|
|
# Run with GUI so user can choose whether to keep models
|
|
Start-Process -FilePath $uninstallExe -Wait
|
|
|
|
# Verify removal
|
|
if (Find-InnoSetupInstall) {
|
|
Write-Warning "Uninstall may not have completed"
|
|
} else {
|
|
Write-Host "Ollama has been uninstalled."
|
|
}
|
|
}
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Install
|
|
# --------------------------------------------------------------------------
|
|
|
|
function Invoke-Install {
|
|
# Determine installer URL
|
|
if ($Version) {
|
|
$installerUrl = "$DownloadBaseURL/OllamaSetup.exe?version=$Version"
|
|
} else {
|
|
$installerUrl = "$DownloadBaseURL/OllamaSetup.exe"
|
|
}
|
|
|
|
# Download installer
|
|
Write-Step "Downloading Ollama"
|
|
if (-not $DebugInstall) {
|
|
Write-Host "Downloading Ollama..."
|
|
}
|
|
|
|
$tempInstaller = Join-Path $env:TEMP "OllamaSetup.exe"
|
|
Invoke-Download -Url $installerUrl -OutFile $tempInstaller
|
|
|
|
# Verify signature
|
|
Write-Step "Verifying signature"
|
|
if (-not (Test-Signature -FilePath $tempInstaller)) {
|
|
Remove-Item $tempInstaller -Force -ErrorAction SilentlyContinue
|
|
throw "Installer signature verification failed"
|
|
}
|
|
|
|
# Build installer arguments
|
|
$installerArgs = "/VERYSILENT /NORESTART /SUPPRESSMSGBOXES"
|
|
if ($InstallDir) {
|
|
$installerArgs += " /DIR=`"$InstallDir`""
|
|
}
|
|
Write-Status " Installer args: $installerArgs"
|
|
|
|
# Run installer
|
|
Write-Step "Installing Ollama"
|
|
if (-not $DebugInstall) {
|
|
Write-Host "Installing..."
|
|
}
|
|
|
|
# Create upgrade marker so the app starts hidden
|
|
# The app checks for this file on startup and removes it after
|
|
$markerDir = Join-Path $env:LOCALAPPDATA "Ollama"
|
|
$markerFile = Join-Path $markerDir "upgraded"
|
|
if (-not (Test-Path $markerDir)) {
|
|
New-Item -ItemType Directory -Path $markerDir -Force | Out-Null
|
|
}
|
|
New-Item -ItemType File -Path $markerFile -Force | Out-Null
|
|
Write-Status " Created upgrade marker: $markerFile"
|
|
|
|
# Start installer and wait for just the installer process (not children)
|
|
# Using -Wait would wait for Ollama to exit too, which we don't want
|
|
$proc = Start-Process -FilePath $tempInstaller `
|
|
-ArgumentList $installerArgs `
|
|
-PassThru
|
|
$proc.WaitForExit()
|
|
|
|
if ($proc.ExitCode -ne 0) {
|
|
Remove-Item $tempInstaller -Force -ErrorAction SilentlyContinue
|
|
throw "Installation failed with exit code $($proc.ExitCode)"
|
|
}
|
|
|
|
# Cleanup
|
|
Remove-Item $tempInstaller -Force -ErrorAction SilentlyContinue
|
|
|
|
# Update PATH in current session so 'ollama' works immediately
|
|
Write-Step "Updating session PATH"
|
|
Update-SessionPath
|
|
|
|
Write-Host "Install complete. You can now run 'ollama'."
|
|
}
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Main
|
|
# --------------------------------------------------------------------------
|
|
|
|
if ($Uninstall) {
|
|
Invoke-Uninstall
|
|
} else {
|
|
Invoke-Install
|
|
}
|