Download github release artifacts

download_github_release.ps1

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
Add-Type -AssemblyName System.IO.Compression.FileSystem

$token = Read-Host -Prompt 'Github PAT'
if(!$token) {$token = ""}

$org = Read-Host -Prompt 'Org or User'
if(!$org) {$org = ""}

$repo = Read-Host -Prompt 'Repo'
if(!$repo) {$repo = ""}

$version = Read-Host -Prompt 'Release Version(default is latest)'
if(!$version) {$version = "latest"} #v0.0.13

$saveto = Read-Host -Prompt 'Save to(default is PS script root)'
if(!$saveto) {$saveto = $PSScriptRoot}

write-host "Downloading release : $version of Repo : $repo"

$headers = @{
    Authorization = "token $token"
}

if($version -eq "latest"){

    $releases = "https://api.github.com/repos/$org/$repo/releases/latest"

}else{
    $releases = "https://api.github.com/repos/$org/$repo/releases/tags/$version"
}

$r = ""
$r = (Invoke-WebRequest -Uri $releases -Headers $headers).Content | ConvertFrom-Json

try {


if($r)
{

# ideally we only have one asset per release
if($r.assets -and $r.assets.Count -eq 1)
{
   $saveto = [System.IO.Path]::Combine($saveto, "$($repo)_$($version)")
   $saveto = [System.IO.Path]::GetFullPath($saveto)
    if (Test-Path -Path $saveto){
        Remove-Item $saveto  -Force -Recurse
    }

    New-Item -ItemType Directory $saveto

    $r.assets | ForEach-Object {

        if ($_) {

            $assetUrl  = $_.url
            $assetName  = $_.name

            $headers = @{
                Authorization = "token $token"
                Accept = "application/octet-stream"
            }

            $artifactPath = [System.IO.Path]::Combine($saveto, $assetName)
			$artifactPath = [System.IO.Path]::GetFullPath($artifactPath)
			
            if (Test-Path -Path $artifactPath){
                Remove-Item $artifactPath  -Force
            }

            Invoke-WebRequest -Uri $assetUrl -Headers $headers -OutFile $artifactPath
        }
    }
	
	}else{
	write-host "No assets found associated with the release."
}
}else{
	write-host "Release not found."
}


}
catch 
{
    Write-Error $_
}