cache improvements

Author: RootLUG

aura/cache.py

@@ -77,6 +77,10 @@ def proxy_mirror(cls, *, src: Path, cache_id=None):
         cache_id = f"mirror_{cache_id}"
         cache_pth: Path = cls.get_location() / cache_id
 
+        if cache_pth.exists():
+            logger.debug(f"Retrieving mirror file path {cache_id} from cache")
+            return cache_pth
+
         try:
             shutil.copyfile(src, cache_pth, follow_symlinks=True)
             return cache_pth
@@ -94,6 +98,10 @@ def proxy_mirror_json(cls, *, src: Path):
         cache_id = f"mirrorjson_{src.name}"
         cache_path = cls.get_location()/cache_id
 
+        if cache_path.exists():
+            logger.debug(f"Retrieving package mirror JSON {cache_id} from cache")
+            return cache_path
+
         try:
             shutil.copyfile(src=src, dst=cache_path, follow_symlinks=True)
             return cache_path