diff --git a/src/black/__init__.py b/src/black/__init__.py
index 4c730a33d48..746a1deef51 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -425,11 +425,19 @@ def main(
             else:
                 out(f"Identified `{root}` as project root.", fg="blue")
 
-            normalized_paths = [
-                str(Path(source).resolve().relative_to(root)) for source in src
+            normalized = [
+                (normalize_path_maybe_ignore(Path(source), root), source)
+                for source in src
             ]
-            srcs_string = '", "'.join(normalized_paths)
-            out(f'Sources to be formatted: "{srcs_string}"', fg="blue")
+            srcs_string = ", ".join(
+                [
+                    f'"{_norm}"'
+                    if _norm
+                    else f'\033[31m"{source} (skipping - invalid)"\033[34m'
+                    for _norm, source in normalized
+                ]
+            )
+            out(f"Sources to be formatted: {srcs_string}", fg="blue")
 
         if config:
             config_source = ctx.get_parameter_source("config")
diff --git a/src/black/files.py b/src/black/files.py
index bf6dad7b5df..32b10da0c18 100644
--- a/src/black/files.py
+++ b/src/black/files.py
@@ -137,7 +137,9 @@ def get_gitignore(root: Path) -> PathSpec:
 
 
 def normalize_path_maybe_ignore(
-    path: Path, root: Path, report: Report
+    path: Path,
+    root: Path,
+    report: Optional[Report] = None,
 ) -> Optional[str]:
     """Normalize `path`. May return `None` if `path` was ignored.
 
@@ -147,12 +149,16 @@ def normalize_path_maybe_ignore(
         abspath = path if path.is_absolute() else Path.cwd() / path
         normalized_path = abspath.resolve().relative_to(root).as_posix()
     except OSError as e:
-        report.path_ignored(path, f"cannot be read because {e}")
+        if report:
+            report.path_ignored(path, f"cannot be read because {e}")
         return None
 
     except ValueError:
         if path.is_symlink():
-            report.path_ignored(path, f"is a symbolic link that points outside {root}")
+            if report:
+                report.path_ignored(
+                    path, f"is a symbolic link that points outside {root}"
+                )
             return None
 
         raise