<!--- 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 -->

if collections and requirements_file:
            raise AnsibleError("The positional collection_name arg and --requirements-file are mutually exclusive.")
        elif not collections and not requirements_file:
            raise AnsibleError("You must specify a collection name or a requirements file.")
        elif requirements_file:
            requirements_file = GalaxyCLI._resolve_path(requirements_file)
            requirements = self._parse_requirements_file(requirements_file, allow_old_format=False)['collections']
        else:
            requirements = []
            for collection_input in collections:
                requirement = None
                if os.path.isfile(to_bytes(collection_input, errors='surrogate_or_strict')) or \
                        urlparse(collection_input).scheme.lower() in ['http', 'https']:
                    
                    name = collection_input
                else:
                    name, dummy, requirement = collection_input.partition(':')
                requirements.append((name, requirement or '*', None))
        return requirements
    
    
    
    def execute_role(self):