Private/func_New-Zip.ps1
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# Based on Gist by "Araxeus", https://gist.github.com/Araxeus/a09797e84b0ef4b99f1efcc642d1da78 # TODO: Refactor, simplify Function New-Zip { # Specifying no parameter will result in current working directory ($pwd) being archived into $pwd\$pwd.zip param ( # The following paths can be relative or absolute: # path to folder/s containing the files to be archived [Alias("i", "input", "from")] [ValidateScript({ Test-Path -LiteralPath $_ })] [string[]] $FolderPaths = @($PWD), # path to zipfile / zipFolder if $ZipNameFromJson is specified (will be created if it doesn't exist) [Alias("t", "to", "output")][string] $ZipPath = "", # defaults to $PWD.zip # set $ZipPath to end with .zip or set this to an empty string to disable this feature [Alias("j", "json")] [ValidatePattern('.json$')] [string] $ZipNameFromJson = "", # set to a json file containing name and version, output will be $name_v$version.zip # ie "*.*" to only include files that have a .extension [Alias("f")][string] $Filter = "", # filterScript has more options than eclude [Alias("e")][string[]] $Exclude = @(), # { ($_.FullName -notlike "*\node_modules\*") -and ($_.Name -notlike "*.scss")}, # ignore .scss and nodeModules folder [Alias("fs", "script")][ScriptBlock] $FilterScript = { $_ }, # overwrite zip (if there is a zip with the same name, delete it creating a new one) [Alias("o", "overwrite")][switch] $OverwriteZip, # keep sync between folder and zip (doesn"t do anything if OverwriteZip=true) - delete surplus files from zip [Alias("s")][switch] $Sync, # verbose output [Alias("v")][switch] $Verbose ) $VerbosePreference = $Verbose ? "Continue" : "SilentlyContinue" if ($ZipNameFromJson -and !$ZipPath.EndsWith('.zip')) { $jsonFile = Get-Content $ZipNameFromJson $jsonObj = $jsonFile | ConvertFrom-Json $ZipName = "$($jsonObj.name.Trim().Replace(' ', '-'))_v$($jsonObj.version.Trim()).zip" if ($ZipPath) { try { [System.IO.Directory]::CreateDirectory($ZipPath) | Out-Null $ZipPath = [IO.Path]::Combine($ZipPath, $ZipName) } catch { Write-Error("`n Error creating ZipPath:`n $($_.Exception.Message)") $ZipPath = $ZipName } } else { $ZipPath = $ZipName } } elseif (!$ZipPath) { $ZipPath = [IO.Path]::Combine($PWD, "$(Split-Path -Path $PWD -Leaf).zip") } if ($OverwriteZip) { Remove-item -literalpath $ZipPath -force -ErrorAction SilentlyContinue } $AllFiles = New-Object System.Collections.Generic.List[System.Object] $ChangesCount = 0; try { $ZipArchive = [IO.Compression.ZipFile]::Open( $ZipPath, 2 ) foreach ($FolderPath in $FolderPaths) { $FileList = (Get-ChildItem -LiteralPath $FolderPath -Filter $Filter -Exclude $Exclude -File -Recurse | Where-Object $FilterScript) #use the -File argument because empty folders can"t be stored foreach ($File in $FileList) { if ($File.FullName.endsWith($ZipPath)) { continue } # get relative path and trim leading .\ from it $File | Add-Member RelativePath ([System.IO.Path]::GetRelativePath($FolderPath, $File.FullName) -replace "^.\\") $AllFiles.Add($File) try { # zip will store multiple copies of the exact same file - prevent this by checking if already archived. if (!$OverwriteZip) { $AlreadyArchivedFile = $ZipArchive.GetEntry($File.RelativePath) # $AlreadyArchivedFile = ($ZipArchive.Entries | Where-Object { $_.FullName -eq $File.RelativePath }) if ($AlreadyArchivedFile) { if (($AlreadyArchivedFile.Length -eq $File.Length) -and #ZipFileExtensions timestamps are only precise within 2 seconds. ([math]::Abs(($AlreadyArchivedFile.LastWriteTime.UtcDateTime - $File.LastWriteTimeUtc).Seconds) -le 2)) { continue } $AlreadyArchivedFile.Delete() } } $ZipArchiveEntry = [IO.Compression.ZipFileExtensions]::CreateEntryFromFile($ZipArchive, $File.FullName, $File.RelativePath, 'Optimal') $ChangesCount++ Write-Verbose "Archived \$($ZipArchiveEntry.FullName)" } catch { # single file failed - usually inaccessible or in use Write-Warning "`n $($File.FullName) could not be archived.`n $($_.Exception.Message)" } } } if ($Sync -and !$OverwriteZip) { $UnsyncedFiles = $ZipArchive.Entries | Where-Object -Property FullName -NotIn ($AllFiles | ForEach-Object { $_.RelativePath }) foreach ($File in $UnsyncedFiles) { try { $File.Delete() $ChangesCount++ Write-Verbose "Deleted $($ZipPath)\$($File.FullName)" } catch { Write-Warning "$($ZipPath)\$($File.FullName) is not in sync but couldn't be deleted" } } } } catch { # failure to open the zip file Write-Error $_.Exception } finally { # always close the zip file so it can be read later $ZipArchive.Dispose() Write-Host "$(Resolve-Path $ZipPath) was succesfully updated ($($ChangesCount) files changed)" -ForegroundColor Green } } |