Update-CookbookVersion.ps1

enum bump {
  Major
  Minor
  Patch
}

function Update-CookbookVersion {
  param (
    [string]$path,
    [bump]$bump = 'Patch'
  )
  $string = Get-Content -Path $path -Raw
  [version]$version = $string.Split("`n").Where{$_ -match 'version'}.Split("'")[1]
  switch ($bump) {
    'Major' {
      $new = ($version.Major + 1), $version.Minor, $version.Build -join '.'
    }
    'Minor' {
      $new = $version.Major, ($version.Minor + 1), $version.Build -join '.'
    }
    'Patch' {
      $new = $version.Major, $version.Minor, ($version.Build + 1) -join '.'
    }
  }
  $new = "version '$new'"
  ($string -replace "version '.*'", $new).Split("`n").Where{$_.length -gt 1} > $path
}