gh-cli-updater.ps1

<#
.SYNOPSIS
CLI tool for managing scrcpy: installation, update, and removal.

.DESCRIPTION
The script checks the version of scrcpy, downloads the latest version from GitHub, and installs it to the user-specified location.

#>

$global:currentScriptVersion = "v2025.1.31"

# --- Functions ---
function Show-Menu {
    do {
        $choice = Read-Host "Please enter your choice (0-6)"
    } while ($choice -notmatch '^([0-6])$')
    return $choice
}

$global:currentVersion = ""
function Get-InstalledGhVersion {
    if (Get-Command gh -ErrorAction SilentlyContinue) {
        $versionOutput = gh version
        $global:currentVersion = $versionOutput.Split("`n")[0] -replace "gh version ", "" -replace "\s+\(.*\)", ""
        Write-Output "Current installed GitHub CLI version: $global:currentVersion"
    }
    else {
        $global:currentVersion = $null
    }
}

function SignInToGh {
    if (Get-Command gh -ErrorAction SilentlyContinue) {
        Start-Process -FilePath "gh" -ArgumentList "auth login" -NoNewWindow -Wait -PassThru | Select-Object -ExpandProperty StandardOutput
    }
    else {
        Write-Error "GitHub CLI is not installed. Please install it first."
    }
}

function SignOutFromGh {
    if (Get-Command gh -ErrorAction SilentlyContinue) {
        Start-Process -FilePath "gh" -ArgumentList "auth logout" -NoNewWindow -Wait -PassThru | Select-Object -ExpandProperty StandardOutput
    }
    else {
        Write-Error "GitHub CLI is not installed. Please install it first."
    }
}

function Install-Or-Update-GhCli {
    param (
        [switch]$install,
        [switch]$update
    )

    $repo = "https://api.github.com/repos/cli/cli/releases/latest"
    $ghCliTargetPath = "C:\Program Files\GitHub CLI"

    # Determine platform
    if ($IsWindows) {
        if ($env:PROCESSOR_ARCHITECTURE -eq "AMD64") {
            $platform = "windows_amd64"
        }
        elseif ($env:PROCESSOR_ARCHITECTURE -eq "x86") {
            $platform = "windows_386"
        }
        else {
            Write-Error "Unsupported platform: $env:PROCESSOR_ARCHITECTURE. Exiting..."
            return
        }
    }
    elseif ($IsMacOS) {
        $platform = "macOS"
        $ghCliTargetPath = "/usr/local/bin/gh"
    }
    elseif ($IsLinux) {
        $platform = "linux"
        $ghCliTargetPath = "/usr/local/bin/gh"
    }
    else {
        Write-Error "Unsupported operating system. Exiting..."
        return
    }

    # Fetch latest release from GitHub
    Write-Output "Fetching latest release from GitHub..."
    $response = Invoke-RestMethod -Uri $repo -Headers @{ 'User-Agent' = 'PowerShell' } -Verbose
    $latestVersion = $response.tag_name -replace "v", ""

    if ($update) {
        # Check if GitHub CLI is already installed and update if necessary
        Get-InstalledGhVersion
        if ($global:currentVersion -eq $latestVersion) {
            Write-Output "You already have the latest GitHub CLI version ($latestVersion). No update needed."
            return
        }
    
        Write-Output "New version available: $latestVersion (Installed: $($global:currentVersion)). Proceeding with update..."
    }
    elseif ($install) {
        # Check if GitHub CLI is already installed
        Get-InstalledGhVersion
        if ($global:currentVersion) {
            Write-Output "GitHub CLI is already installed (Version: $($global:currentVersion)). Use the update option to update to the latest version."
            return
        }
        Write-Output "Proceeding with installation of GitHub CLI version $latestVersion..."
    }
    else {
        Write-Error "Please specify either -install or -update. Exiting..."
        return
    }

    # Download the latest version
    $downloadAsset = $response.assets | Where-Object { $_.name -like "*$platform*.msi" } | Select-Object -First 1
    if (-not $downloadAsset) {
        Write-Error "No compatible GitHub CLI release found for $platform. Exiting..."
        return
    }
    $downloadUrl = $downloadAsset.browser_download_url
    $msiFileName = $downloadAsset.name

    # Download and install
    $tempPath = Join-Path (Get-Location) "temp_update"
    New-Item -ItemType Directory -Force -Path $tempPath | Out-Null
    $msiFilePath = Join-Path $tempPath $msiFileName
    Write-Output "Downloading GitHub CLI from $downloadUrl..."
    Invoke-WebRequest -Uri $downloadUrl -OutFile $msiFilePath -Headers @{ 'User-Agent' = 'PowerShell' } -Verbose
    Write-Output "Installing GitHub CLI..."
    Start-Process msiexec.exe -ArgumentList "/i `"$msiFilePath`" /quiet /norestart" -Wait -NoNewWindow

    # Clean up
    Write-Output "Cleaning up temporary files..."
    Remove-Item -Path $tempPath -Recurse -Force -Verbose

    Write-Output "GitHub CLI installed/updated successfully to $ghCliTargetPath. Version: $latestVersion"
}

function Uninstall-GhCli {
    Write-Output "Uninstalling GitHub CLI..."
    $ghCliPath = "C:\Program Files\GitHub CLI\gh.exe"
    if (Test-Path $ghCliPath) {
        $msiExecPath = "C:\Windows\System32\msiexec.exe"
        $uninstallString = (Get-WmiObject -Query "SELECT * FROM Win32_Product WHERE Name = 'GitHub CLI'").IdentifyingNumber
        if ($uninstallString) {
            Start-Process $msiExecPath -ArgumentList "/x $uninstallString /quiet /norestart" -Wait -NoNewWindow
            Write-Output "GitHub CLI uninstalled successfully."
        }
        else {
            Write-Warning "GitHub CLI uninstall information not found."
        }
    }
    else {
        Write-Warning "GitHub CLI is not installed."
    }
}

# --- Main Program ---
$global:exit = $false
# Käyttövalikko
Do {
    Clear-Host
    Write-Output "==============================="
    Write-Output "      GitHub CLI Tool Menu     "
    Write-Output "==============================="
    Write-Output "1. 📥 Asenna GitHub CLI"
    Write-Output "2. 🔄 Päivitä GitHub CLI"
    Write-Output "3. ❌ Poista GitHub CLI"
    Write-Output "4. 🚀 Tarkista asennettu versio"
    Write-Output "5. 🔑 Kirjaudu GitHubiin"
    Write-Output "6. 🔒 Kirjaudu ulos GitHubista"
    Write-Output "0. 🚪 Poistu"
    Write-Output "==============================="
    Write-Output ""
    
    $choice = Read-Host "Syötä valinta"
    switch ($choice) {
        "1" {
            Clear-Host
            Install-Or-Update-GhCli -install
        }
        "2" {
            Clear-Host
            Install-Or-Update-GhCli -update
        }
        "3" {
            Clear-Host
            Uninstall-GhCli
        }
        "4" {
            Clear-Host
            Get-InstalledGhVersion
        }
        "5" {
            Clear-Host
            SignInToGh
        }
        "6" {
            Clear-Host
            SignOutFromGh
        }
        "0" {
            Clear-Host
            Write-Output "Poistutaan. Heippa!"
            $exit = $true
        }
        default {
            Clear-Host
            Write-Warning "Virheellinen valinta. Valitse vaihtoehto (0-5)."
        }
    }
    if (-not $exit) {
        Write-Output "`nPaina Enter palataksesi valikkoon..."
        Read-Host
    }
} While (-not $exit)