fix(cpio): Fix dupplicated CPIO entries by overwriting them.

Author: nyuware

unblob/file_utils.py

@@ -621,7 +621,7 @@ def open(  # noqa: A003
 
     def unlink(self, path):
         """Delete file within extraction path."""
-        logger.debug("unlink file", file_path=path)
+        logger.debug("unlink file", file_path=path, _verbosity=3)
         safe_path = self._get_extraction_path(path, "unlink")
 
         safe_path.unlink(missing_ok=True)

unblob/handlers/archive/cpio.py

@@ -211,6 +211,7 @@ def dump_entries(self, fs: FileSystem):
                 continue
 
             if stat.S_ISREG(entry.mode):
+                fs.unlink(entry.path)
                 fs.carve(entry.path, self.file, entry.start_offset, entry.size)
             elif stat.S_ISDIR(entry.mode):
                 fs.mkdir(
@@ -222,6 +223,7 @@ def dump_entries(self, fs: FileSystem):
                         self.file[entry.start_offset : entry.start_offset + entry.size]
                     ).decode("utf-8")
                 )
+                fs.unlink(entry.path)
                 fs.create_symlink(src=link_path, dst=entry.path)
             elif (
                 stat.S_ISCHR(entry.mode)