<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Use case is for customers on air-gapped customers who want to take the tarball using a flash drive inside their network.
Currently that is not possible because cli does not keep the tarball after installing the collection.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ansible-galaxy cli

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

b_file_path = to_bytes(os.path.join(to_text(b_path), filename), errors='surrogate_or_strict')
        if not os.path.isfile(b_file_path):
            actual_hash = None
        else:
            with open(b_file_path, mode='rb') as file_object:
                actual_hash = _consume_file(file_object)
        if expected_hash != actual_hash:
            error_queue.append(ModifiedContent(filename=filename, expected=expected_hash, installed=actual_hash))
    def _get_metadata(self):
        if self._metadata:
            return
        self._metadata = self.api.get_collection_version_metadata(self.namespace, self.name, self.latest_version)
    def _meets_requirements(self, version, requirements, parent):
        """
        Supports version identifiers can be '==', '!=', '>', '>=', '<', '<=', '*'. Each requirement is delimited by ','
        """
        op_map = {
            '!=': operator.ne,
            '==': operator.eq,
            '=': operator.eq,
            '>=': operator.ge,
            '>': operator.gt,
            '<=': operator.le,
            '<': operator.lt,
        }
        for req in list(requirements.split(',')):
            op_pos = 2 if len(req) > 1 and req[1] == '=' else 1
            op = op_map.get(req[:op_pos])
            requirement = req[op_pos:]
            if not op: