Passes the config file name instead of source to the hook

Reason: The config file identifies the source, but it may not be easy to find
the source from config file.

Related: Issue #24

README.md

@@ -154,8 +154,8 @@ keep_monthly = 0
 keep_yearly = 0
 
 # Uncomment example to specify scripts to run after yabsnap creates or deletes any snap.
-# If any creation / deletion operation occurs, each script will be called with the `source` as an
-# argument. Use space as delimiter to specify multiple scripts.
+# Use space as delimiter to specify multiple scripts if desired.
+# If any creation / deletion operation occurs, each script will be called once.
 # Example -
 # post_transaction_scripts = "/home/me/script1.sh" "/home/me/script2.sh"
 ```

src/code/configs.py

@@ -114,7 +114,7 @@ def mount_path(self) -> str:
 
     def call_post_hooks(self) -> None:
         for script in self.post_transaction_scripts:
-            os_utils.run_user_script(script, [self.source])
+            os_utils.run_user_script(script, [self.config_file])
 
 
 def iterate_configs(source: Optional[str]) -> Iterator[Config]:

src/code/example_config.conf

@@ -40,7 +40,7 @@ keep_monthly = 0
 keep_yearly = 0
 
 # Uncomment example to specify scripts to run after yabsnap creates or deletes any snap.
-# If any creation / deletion operation occurs, each script will be called with the `source` as an
-# argument. Use space as delimiter to specify multiple scripts.
+# Use space as delimiter to specify multiple scripts if desired.
+# If any creation / deletion operation occurs, each script will be called once.
 # Example -
 # post_transaction_scripts = "/home/me/script1.sh" "/home/me/script2.sh"