scancode flags a C# source code files a under a proprietary license

[omajid]

Description

This file https://github.com/dotnet/dotnet/blob/da9e54383e0b233f07c49e9fe762b4b2325f9bb1/src/nuget-client/src/NuGet.Clients/NuGet.PackageManagement.VisualStudio/Services/NuGetPackageFileService.cs is flagged by scancode as being under a proprietary license (in addition to the correctly-identified Apache license)

How To Reproduce

$ wget 'https://raw.githubusercontent.com/dotnet/dotnet/da9e54383e0b233f07c49e9fe762b4b2325f9bb1/src/nuget-client/src/NuGet.Clients/NuGet.PackageManagement.VisualStudio/Services/NuGetPackageFileService.cs
$ ./scancode --json-pp - --license --unknown-licenses --license-references  NuGetPackageFileService.cs
Setup plugins...                                                                                                                                              
Collect file inventory...                                                                                                                                     
Scan files for: licenses with 1 process(es)...                                                                                                                
[####################] 2                                                                                                                                      
{                                                                                                                                                             
  "headers": [                                                                                                                                                
    {                                                                                                                                                         
      "tool_name": "scancode-toolkit",                                                                                                                        
      "tool_version": "32.0.7",                                                                                                                               
      "options": {                                                                                                                                            
        "input": [                                                                                                                                            
          "NuGetPackageFileService.cs"                                                                                                                        
        ],                                                                                                                                                    
        "--json-pp": "-",                                                                                                                                     
        "--license": true,                                                                                                                                    
        "--license-references": true,                                                                                                                         
        "--unknown-licenses": true                                                                                                                            
      },              
...
    {
      "path": "NuGetPackageFileService.cs",
      "type": "file",
      "detected_license_expression": "apache-2.0 AND proprietary-license",
      "detected_license_expression_spdx": "Apache-2.0 AND LicenseRef-scancode-proprietary-license",
      "license_detections": [
        {
          "license_expression": "apache-2.0",
          "matches": [
            {
              "score": 100.0,
              "start_line": 2,
              "end_line": 2,
              "matched_length": 18,
              "match_coverage": 100.0,
              "matcher": "2-aho",
              "license_expression": "apache-2.0",
              "rule_identifier": "apache-2.0_120.RULE",
              "rule_relevance": 100,
              "rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/apache-2.0_120.RULE"
            }
          ],
          "identifier": "apache_2_0-b87a848a-4d72-1be9-f552-866c25491283"
        },
        {
          "license_expression": "proprietary-license",
          "matches": [
            {
              "score": 100.0,
              "start_line": 30,
              "end_line": 32,
              "matched_length": 2,
              "match_coverage": 100.0,
              "matcher": "2-aho",
              "license_expression": "proprietary-license",
              "rule_identifier": "proprietary-license_553.RULE",
              "rule_relevance": 100,
              "rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/proprietary-license_553.RULE"
            }
          ],
          "identifier": "proprietary_license-b1054f4e-0ab7-b45e-ee83-22656324dc89"
        }
      ],
      "license_clues": [],
      "percentage_of_license_text": 3.27,
      "scan_errors": []
    }

System configuration

For bug reports, it really helps us to know:

• What OS are you running on? Linux
• What version of scancode-toolkit was used to generate the scan file? 32.0.7
• What installation method was used to install/run scancode? pip

[pombredanne]

Thanks for the report

[AyanSinhaMahapatra]

this is fixed, closing!
Thanks @pombredanne @omajid