- Add default option for environment variables

Author: DannyBen

lib/bashly/models/command.rb

@@ -92,6 +92,11 @@ def default_command
         commands.find { |c| c.default }
       end
 
+      # Returns an array of all the default Environment Variables
+      def default_environment_variables
+        environment_variables.select &:default
+      end
+
       # Returns an array of all the default Flags
       def default_flags
         flags.select &:default

lib/bashly/views/command/environment_variables_filter.erb

@@ -1,4 +1,9 @@
 # :command.environment_variables_filter
+<%- if default_environment_variables.any? -%>
+<%- default_environment_variables.each do |env_var| -%>
+export <%= env_var.name.upcase %>="${<%= env_var.name.upcase %>:-<%= env_var.default %>}"
+<%- end -%>
+<%- end -%>
 <%- if required_environment_variables.any? -%>
 <%- required_environment_variables.each do |env_var| -%>
 if [[ -z "$<%= env_var.name.upcase %>" ]]; then

lib/bashly/views/environment_variable/usage.erb

@@ -1,4 +1,7 @@
 # :environment_variable.usage
 echo "  <%= usage_string extended: true %>"
 printf "<%= help.wrap(76).indent(4).sanitize_for_print %>\n"
+<%- if default -%>
+printf "    <%= strings[:default] % { value: default } -%>\n"
+<%- end -%>
 echo