<!--- 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 -->

continue
            if not os.path.isdir(collection_path):
                warnings.append("- the configured path {0}, exists, but it is not a directory.".format(collection_path))
                continue
            path_found = True
            if collection_name:
                
                validate_collection_name(collection_name)
                namespace, collection = collection_name.split('.')
                collection_path = validate_collection_path(collection_path)
                b_collection_path = to_bytes(os.path.join(collection_path, namespace, collection), errors='surrogate_or_strict')
                if not os.path.exists(b_collection_path):
                    warnings.append("- unable to find {0} in collection paths".format(collection_name))
                    continue
                if not os.path.isdir(collection_path):
                    warnings.append("- the configured path {0}, exists, but it is not a directory.".format(collection_path))
                    continue
                collection_found = True
                collection = CollectionRequirement.from_path(b_collection_path, False)
                fqcn_width, version_width = _get_collection_widths(collection)
                _display_header(collection_path, 'Collection', 'Version', fqcn_width, version_width)
                _display_collection(collection, fqcn_width, version_width)
            else:
                
                collection_path = validate_collection_path(path)
                if os.path.isdir(collection_path):
                    display.vvv("Searching {0} for collections".format(collection_path))
                    collections = find_existing_collections(collection_path)
                else: