Merge pull request #864 from jazzace/pkgcopier

Add pkg check to PkgCopier

Code/autopkglib/PkgCopier.py

@@ -18,6 +18,7 @@
 import glob
 import os.path
 
+from autopkglib import ProcessorError
 from autopkglib.Copier import Copier
 
 __all__ = ["PkgCopier"]
@@ -84,6 +85,14 @@ def main(self):
                     f"'{source_pkg}'."
                 )
 
+            # Check that the source path ends with supported extension
+            pkg_extensions = (".mpkg", ".pkg")
+            if os.path.splitext(matched_source_path)[1] not in pkg_extensions:
+                raise ProcessorError(
+                    "Source does not appear to be a package based on its filename: "
+                    f"'{matched_source_path}'"
+                )
+
             # do the copy
             pkg_path = self.env.get("pkg_path") or os.path.join(
                 self.env["RECIPE_CACHE_DIR"], os.path.basename(matched_source_path)