modules/WinGet-Merge.psm1
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function Merge-WingetSoftware { param ( [string]$New, [string]$Old ) $newList = Get-Content $New | ConvertFrom-Json $oldList = Get-Content $Old | ConvertFrom-Json if ($oldList.'$schema' -ne $newList.'$schema') { # If the schemas do not match, it is not safe to merge. The user has to manually resolve this. Write-OutputIndented "Merge could not be performed. Please manually merge '$New' and '$Old'" return } foreach ($source in $oldList.Sources) { $sourceIndex = ([Collections.Generic.List[Object]]$oldList.Sources).FindIndex( {$args[0].SourceDetails.Name -eq $source.SourceDetails.Name}) #TODO if sourceIndex is < 0 add the source in its entirety $newList.Sources[$sourceIndex].Packages = $newList.Sources[$sourceIndex].Packages | Sort-Object -Property PackageIdentifier $sortedSourcePackages = ($source.Packages | Sort-Object) $uniqueSourcePackageIds = $sortedSourcePackages.PackageIdentifier | Get-Unique foreach ($packageId in $uniqueSourcePackageIds) { $package = ($sortedSourcePackages | Where-Object { $_.PackageIdentifier -eq $packageId })[0] #$packageIndex = (0..($newList.Sources[$sourceIndex].Packages.Count-1)) | Where-Object {$newList.Sources[$sourceIndex].Packages[$_].PackageIdentifier -eq $packageId} $packageIndex = ([Collections.Generic.List[Object]]$newList.Sources[$sourceIndex].Packages).FindIndex({ $args[0].PackageIdentifier -eq $package.PackageIdentifier }) $packageExists = $null -ne $packageIndex $addEntry = -not $packageExists if ($packageExists) { $oldVersion = $package.Version $newVersion = $newList.Sources[$sourceIndex].Packages[$packageIndex].Version if ($newVersion -lt $oldVersion) { # Determine if package appears to support multiple installs $duplicates = $newList.Sources[$sourceIndex].Packages | Where-Object { ($_.PackageIdentifier -eq $package.PackageIdentifier) } $addEntry = @($duplicates).Count -gt 1 if (-not $addEntry) { $newList.Sources[$sourceIndex].Packages[$packageIndex].Version = $package.Version Write-OutputIndented "Found newer version in cache ($($package.PackageIdentifier))" } } } if ($addEntry) { $item = [PSCustomObject]@{ PackageIdentifier = $package.PackageIdentifier Version = $package.Version } $newList.Sources[$sourceIndex].Packages += $item Write-OutputIndented "Merging ($($package.PackageIdentifier))" } } $newList.Sources[$sourceIndex].Packages = $newList.Sources[$sourceIndex].Packages | Sort-Object -Property PackageIdentifier } $newList | ConvertTo-Json -Depth 10 | Out-File $Old Write-OutputIndented "Merged." Pause } |