Adding pyproject.toml configuration output to verbose logging (#3392)

diff --git a/CHANGES.md b/CHANGES.md
index c84feb049344ef9913860df3469909175df2a63c..e781cbd523e715ebccca5b0846d517431f085dfa 100644 (file)
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -36,6 +36,9 @@
 
 <!-- Changes to Black's terminal output and error messages -->
 
+- Verbose logging now shows the values of `pyproject.toml` configuration variables
+  (#3392)
+
 ### _Blackd_
 
 <!-- Changes to blackd -->

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 39d12968c4b15e4756fdf138fa17f68423a5005b..f00749aaed81146dbadc7778cf49bad23af6e3c5 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -511,6 +511,9 @@ def main(  # noqa: C901
                 out("Using configuration from project root.", fg="blue")
             else:
                 out(f"Using configuration in '{config}'.", fg="blue")
+            if ctx.default_map:
+                for param, value in ctx.default_map.items():
+                    out(f"{param}: {value}")
 
     error_msg = "Oh no! 💥 💔 💥"
     if (