Problems to detect the SCH under very particular constraints

Fixes #394

CHANGELOG.md

@@ -5,7 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [1.6.1] - UNRELEASED
-
+### Fixed
+- Problems to detect the schematic name when the path to the config contained a
+  dot that isn't used for an extension and some particular conditions were met.
 
 ## [1.6.0] - 2023-02-06
 ### Added

kibot/kiplot.py

@@ -710,7 +710,9 @@ def solve_schematic(base_dir, a_schematic=None, a_board_file=None, config=None,
                     # Unhide hidden config
                     config = config[1:]
                 # Remove any extension
-                while '.' in config:
+                last_split = None
+                while '.' in config and last_split != config:
+                    last_split = config
                     config = os.path.splitext(config)[0]
                 # Try KiCad 5
                 sch = os.path.join(base_dir, config+'.sch')