Install a chocolately package and chocolately if not already installed. You have to run `Set-ExecutionPolicy remotesigned` to execute the script.

install_chocolately_and_package.ps1

# install Chocolately
If(Test-Path -Path "$env:ProgramData\Chocolatey") {
  echo "Chocolately is installed"
} Else {
  echo "Chocolately is not installed. Installing now..."
  Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
  echo "Chocolately is installed"
}

# reload path
$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")

# install stuff
$Packages = 'eclipse', 'git'
ForEach ($PackageName in $Packages)
{
    choco install $PackageName -y
}

# reload path again
$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")