Add opt-in diagnostic logging

serato_doctor/config.py

@@ -1,6 +1,6 @@
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Iterable, Tuple
+from typing import Iterable, Optional, Tuple
 
 
 @dataclass(frozen=True)
@@ -12,6 +12,8 @@ class ScanConfig:
     out: Path
     report: Path
     reference_roots: Tuple[Path, ...] = ()
+    verbose: bool = False
+    log_file: Optional[Path] = None
 
     @classmethod
     def build(
@@ -21,5 +23,15 @@ class ScanConfig:
         out: Path,
         report: Path,
         reference_roots: Iterable[Path] = (),
+        verbose: bool = False,
+        log_file: Optional[Path] = None,
     ) -> "ScanConfig":
-        return cls(serato, music, out, report, tuple(reference_roots))
+        return cls(
+            serato,
+            music,
+            out,
+            report,
+            tuple(reference_roots),
+            verbose,
+            log_file,
+        )