[Schematic v6][Fixed] Issues saving deep nested sheets

- When using sub-dirs relative to a sheet in a sub-dir

CHANGELOG.md

@@ -120,7 +120,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - When *check_zone_fills* is enabled now we do a refill for the boards
 
 ### Fixed
-- Schematics: problems with deep nested and recycled sheets (#520)
+- Schematics:
+  - Problems with deep nested and recycled sheets (#520)
+  - Problems saving deep nested sheets
 - Rotated polygons and text used in the worksheet (#466)
 - The --log/-L didn't enabled full debug for all messages
 - BoM:

kibot/kicad/v6_sch.py

@@ -2031,7 +2031,7 @@ def save(self, fname=None, dest_dir=None, base_sheet=None, saved=None, cross=Fal
             saved.add(fname)
         for sch in self.sheets:
             if sch.sch:
-                sch.sch.save(sch.flat_file if exp_hierarchy else sch.file, dest_dir, base_sheet, saved, cross=cross,
+                sch.sch.save(sch.flat_file if exp_hierarchy else sch.sch.fname_rel, dest_dir, base_sheet, saved, cross=cross,
                              exp_hierarchy=exp_hierarchy)
 
     def save_variant(self, dest_dir):
@@ -2156,6 +2156,7 @@ def load(self, fname, project, parent=None):  # noqa: C901
             self.all_sheets = []
             self.root_sheet = self
             UUID_Validator.reset()
+            self.root_file_path = os.path.dirname(os.path.abspath(fname))
         else:
             self.fields = parent.fields
             self.fields_lc = parent.fields_lc
@@ -2165,9 +2166,11 @@ def load(self, fname, project, parent=None):  # noqa: C901
             self.sheet_names = parent.sheet_names
             self.all_sheets = parent.all_sheets
             self.root_sheet = parent.root_sheet
+            self.root_file_path = parent.root_file_path
         self.symbol_instances = []
         self.parent = parent
         self.fname = fname
+        self.fname_rel = os.path.relpath(fname, self.root_file_path)
         self.project = project
         self.lib_symbols = []
         self.symbols = []

kibot/out_kicanvas.py

@@ -94,6 +94,8 @@ def save_sch(self, out_dir):
         self.restore_title(sch=True)
 
     def run(self, out_dir):
+        for f in self._get_targets(out_dir):
+            logger.error(f)
         # Download KiCanvas
         if self.local_script:
             logger.debug(f'Downloading the script from `{self.url_script}`')