[API] Generator: Adds env variable to ignore version in source docs url

Author: picandocodigo

elasticsearch-api/utils/README.md

@@ -18,6 +18,11 @@ $ thor code:generate
 
 - The Ruby code will be generated in `elasticsearch-api/lib/elasticsearch/api/actions`.
 - The generator runs Rubocop to autolint and clean up the generated files.
+- You can use the environment variable `IGNORE_VERSION` to ignore the current version of the client when generating the source code documentation urls. This is currently used when generating code from `main`:
+
+```bash
+$ IGNORE_VERSION=true thor code:generate
+```
 
 ### Development
 

elasticsearch-api/utils/thor/generator/files_helper.rb

@@ -49,7 +49,7 @@ def self.documentation_url(documentation_url)
         regex = /([0-9]{1,2}\.[0-9x]{1,2})/
         version = Elasticsearch::API::VERSION.match(regex)[0]
         # TODO - How do we fix this so it doesn't depend on which branch we're running from
-        if version == '8.0'
+        if ENV['IGNORE_VERSION']
           documentation_url
         else
           documentation_url.gsub(/\/(current|master|main)\//, "/#{version}/")