[BUG] Error in packing: The attribute 'Id' with value containing spaces failed to parse.

[whiplashoo]

Version: 2.6.4

Running the msix:create command fails to complete building the msix installer with the below error:

'Shortcut Keeper' violates pattern constraint of '([A-Za-z][A-Za-z0-9]*)(\.[A-Za-z][A-Za-z0-9]*)*'.
The attribute 'Id' with value 'Shortcut Keeper' failed to parse.

msix:create full error output:

$ flutter pub run msix:create
☑ parsing cli arguments
☑ validating config values
☑ cleaning temporary files
☑ copying assets folder
☑ creating app icons folder
☑ copying app icons
☑ copying VC libraries
☑ generate appx manifest
☑ generate PRI file
[❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚❚] 75% packing..
Microsoft (R) MakeAppx Tool
Copyright (C) 2013 Microsoft.  All rights reserved.

Option /v specified, switching to verbose output.
Option /o specified, existing files will be overwritten.
Using default hash method: SHA256.
The path (/p) parameter is: "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release\shortcut_keeper.msix"
The content directory (/d) parameter is: "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release"
Enumerating files from directory "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release"
Packing 1085 file(s) in "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release" (content directory) to "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release\shortcut_keeper.msix" (output file name).
Memory limit defaulting to 16878350336 bytes.
Using "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release\AppxManifest.xml" as the manifest for the package.
MakeAppx : error: Failure at appxFactory->CreateManifestReader(manifestStream, &manifestReader) - 0x80080204 - The specified package format is not valid: The package manifest is not valid.
MakeAppx : error: Error info: /*[local-name()="Package" and namespace-uri()="http://schemas.microsoft.com/appx/manifest/foundation/windows10"]/*[local-name()="Applications" and namespace-uri()="http://schemas.microsoft.com/appx/manifest/foundation/windows10"][1]/*[local-name()="Application" and namespace-uri()="http://schemas.microsoft.com/appx/manifest/foundation/windows10"][1]/@Id
'Shortcut Keeper' violates pattern constraint of '([A-Za-z][A-Za-z0-9]*)(\.[A-Za-z][A-Za-z0-9]*)*'.
The attribute 'Id' with value 'Shortcut Keeper' failed to parse.
Cleaning up output file "\\?\C:\Users\whipl\Desktop\Flutter Projects\shortcut_keeper\build\windows\runner\Release\shortcut_keeper.msix".
MakeAppx : error: Failure at (CreatePackage( overwrite, hashAlgorithm, fileList, outputPath, manifestStream.Get(), forceCompressionNone, performanceOptions, encryptPackage, encryptionOptions, cgmPath, mainPackagePathForResourceExemption, makepriExeFullPath)) - 0x80080204 - The specified package format is not valid: The package manifest is not valid.
MakeAppx : error: Package creation failed.
MakeAppx : error: 0x80080204 - The specified package format is not valid: The package manifest is not valid.

pub finished with exit code -1

I have previously been successful in using msix to build this specific app with the exact same settings multiple times.

Pubspec.yaml:

msix_config:
  display_name: Shortcut Keeper
  publisher_display_name: Minas Giannekas
  publisher: --omitted--
  identity_name: 8913MinasGiannekas.ShortcutKeeper
  msix_version: 1.4.0.0
  capabilities: "internetClient"
  assets_directory_path: dbassets
  store: true
  icons_background_color: transparent
  logo_path: windows\runner\resources\icon-windows.png

[YehudaKremer]

@whiplashoo thank you for this bug report ❤️
i publish new version 2.6.5 with a fix

[whiplashoo]

That fixed it, thanks! Great work!