internal/functions/Get-PackageUpdateInfo/Get-VersionDifference.ps1
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function Get-VersionDifference { <# .SYNOPSIS Get-VersionDifference .DESCRIPTION Subtracts two version objects from each other to get the difference .PARAMETER LowerVersion The module info from the local existing version .PARAMETER HigherVersion The module info from the online existing version .EXAMPLE PS C:\> Get-VersionDifference -LowerVersion "1.0.0.0" -HigherVersion "1.1.2.3" Return 0.1.2.3 as difference between the both versions #> [CmdletBinding()] [OutputType([version])] param ( [version] $LowerVersion, [version] $HigherVersion ) $versionDiffMajor = $HigherVersion.Major - $LowerVersion.Major $versionDiffMinor = $HigherVersion.Minor - $LowerVersion.Minor $versionDiffBuild = $HigherVersion.Build - $LowerVersion.Build $versionDiffRevision = $HigherVersion.Revision - $LowerVersion.Revision if ($versionDiffMajor -lt 0) { $versionDiffMajor = 0 } if ($versionDiffMinor -lt 0) { $versionDiffMinor = 0 } if ($versionDiffBuild -lt 0) { $versionDiffBuild = 0 } if ($versionDiffRevision -lt 0) { $versionDiffRevision = 0 } $versionDiff = [version]::new($versionDiffMajor, $versionDiffMinor, $versionDiffBuild, $versionDiffRevision) $versionDiff } |