Experimenting with an offline install of https://artifacts.elastic.co/downloads/elasticsearch-plugins/repository-s3/repository-s3-7.10.0.zip into an Elasticsearch which says it's 7.10.0 using the command
sudo bin/elasticsearch-plugin install file:///aric/elasticsearch/plugins/snapshot/repository-s3-7.10.0.zip
results in failure with
Caused by: java.nio.file.NoSuchFileException: /aric/elasticsearch/plugins/snapshot/plugin-descriptor.properties
The .zip file is world readable. How should I do an offline install of this plugin?