Implement validation for checksum-algorithm and checksum-mode.

awscli/customizations/s3/subcommands.py

@@ -487,7 +487,7 @@
 }
 
 CHECKSUM_ALGORITHM = {
-        'name': 'checksum-algorithm', 'choices': ['CRC32', 'SHA256', 'SHA1', 'CRC64NVME', 'CRC32C'],
+        'name': 'checksum-algorithm', 'choices': ['CRC32', 'SHA256', 'SHA1', 'CRC32C'],
         'help_text': 'Indicates the algorithm used to create the checksum for the object when you use the SDK. '
         'This header will not provide any additional functionality if you don’t use the SDK.'
 } # TODO truncated some of the doc description from low-level api until i see exactly how this affects things.
@@ -1286,6 +1286,18 @@ def _validate_path_args(self):
                 self._validate_same_underlying_s3_paths()
             if self._should_emit_validate_s3_paths_warning():
                 self._emit_validate_s3_paths_warning()
+        # If we're using the checksum-algorithm flag, the path type must be locals3
+        if params['checksum_algorithm']:
+            self._raise_if_paths_type_incorrect_for_param(
+                CHECKSUM_ALGORITHM['name'],
+                params['paths_type'],
+                'locals3')
+        # If we're using the checksum-mode flag, the path type must be s3local
+        elif params['checksum_mode']:
+            self._raise_if_paths_type_incorrect_for_param(
+                CHECKSUM_MODE['name'],
+                params['paths_type'],
+                's3local')
 
         # If the user provided local path does not exist, hard fail because
         # we know that we will not be able to upload the file.
@@ -1370,6 +1382,19 @@ def _raise_if_mv_same_paths(self, src, dest):
                 f"{self.parameters['src']} - {self.parameters['dest']}"
             )
 
+    def _raise_if_paths_type_incorrect_for_param(self, param, paths_type, expected_paths_type):
+        if paths_type != expected_paths_type:
+            expected_usage_map = {
+                'locals3': '<LocalPath> <S3Uri>',
+                's3s3': '<S3Uri> <S3Uri>',
+                's3local': '<S3Uri> <LocalPath>',
+                's3': '<S3Uri>'
+            }
+            raise ParamValidationError(
+                "The %s flag is only compatible with the format: %s. You used the format: %s." %
+                (param, expected_usage_map[expected_paths_type], expected_usage_map[paths_type])
+            )
+
     def _normalize_s3_trailing_slash(self, paths):
         for i, path in enumerate(paths):
             if path.startswith('s3://'):