cekit: Generate Bash completions

Author: StenAL

Formula/c/cekit.rb

@@ -78,7 +78,7 @@ class Cekit < Formula
   def install
     virtualenv_install_with_resources
 
-    generate_completions_from_executable(bin/"cekit", shells: [:fish, :zsh], shell_parameter_format: :click)
+    generate_completions_from_executable(bin/"cekit", shells: [:bash, :fish, :zsh], shell_parameter_format: :click)
   end
 
   test do