Restore the --unknown-licenses experimental CLI option

Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

src/licensedcode/detection.py

@@ -1212,6 +1212,7 @@ def detect_licenses(
     deadline=sys.maxsize,
     as_expression=False,
     package_license=False,
+    unknown_licenses=False,
     **kwargs
 ):
     """
@@ -1231,6 +1232,7 @@ def detect_licenses(
             min_score=min_score,
             deadline=deadline,
             as_expression=as_expression,
+            unknown_licenses=unknown_licenses,
             **kwargs,
         )
     elif query_string:
@@ -1239,6 +1241,7 @@ def detect_licenses(
             min_score=min_score,
             deadline=deadline,
             as_expression=as_expression,
+            unknown_licenses=unknown_licenses,
             **kwargs,
         )
     else:

src/licensedcode/plugin_license.py

@@ -99,7 +99,14 @@ class LicenseScanner(ScanPlugin):
             help='Set the template URL used for the license reference URLs. '
                  'Curly braces ({}) are replaced by the license key.',
             help_group=SCAN_OPTIONS_GROUP,
-        )
+        ),
+        PluggableCommandLineOption(
+            ('--unknown-licenses',),
+            is_flag=True,
+            required_options=['license'],
+            help='[EXPERIMENTAL] Detect unknown licenses. ',
+            help_group=SCAN_OPTIONS_GROUP,
+        ),
     ]
 
     def is_enabled(self, license, **kwargs):  # NOQA
@@ -119,6 +126,7 @@ def get_scanner(
         license_text=False,
         license_text_diagnostics=False,
         license_url_template=SCANCODE_LICENSEDB_URL,
+        unknown_licenses=False,
         **kwargs
     ):
 
@@ -128,6 +136,7 @@ def get_scanner(
             include_text=license_text,
             license_text_diagnostics=license_text_diagnostics,
             license_url_template=license_url_template,
+            unknown_licenses=unknown_licenses,
         )
 
     def process_codebase(self, codebase, **kwargs):

src/scancode/api.py

@@ -152,6 +152,7 @@ def get_licenses(
     include_text=False,
     license_text_diagnostics=False,
     deadline=sys.maxsize,
+    unknown_licenses=False,
     **kwargs,
 ):
     """
@@ -189,6 +190,7 @@ def get_licenses(
         location=location,
         min_score=min_score,
         deadline=deadline,
+        unknown_licenses=unknown_licenses,
         **kwargs,
     )
 

tests/scancode/data/help/help.txt

@@ -36,6 +36,7 @@ Options:
                                  0 for no limit.  [default: 50]
     --max-url INT                Report only up to INT urls found in a file. Use 0
                                  for no limit.  [default: 50]
+    --unknown-licenses           [EXPERIMENTAL] Detect unknown licenses.
 
   output formats:
     --json FILE             Write scan output as compact JSON to FILE.