Update generate and destroy completions

src/_rails

@@ -66,9 +66,9 @@ _rails() {
     (command)
       case $words[1] in
         (new)
-          __rails_new && ret=0
+          _rails_new && ret=0
           ;;
-        (generate|g)
+        (generate|g|destroy|d)
           _rails_generate && ret=0
           ;;
         (console|c)
@@ -95,6 +95,17 @@ _rails() {
             '(--log-to-stdout --no-log-to-stdout)--no-log-to-stdout[Not log to stdout]' \
             && ret=0
           ;;
+        (dbconsole|db)
+          _arguments \
+            '(- *)'{-h,--help}'[Show this help message and quit]' \
+            '(-e --environment)'{-e,--environment=}'[The environment to run "server" in]:env:(test development production)' \
+            '(-p --include-password)'{-p,--include-password}'[Automatically provide the password from database.yml]' \
+            '--mode=[Automatically put the sqlite3 database in the specified mode]:mode:(html list line column)' \
+            '(--header --no-header)--header[Display header]' \
+            '(--header --no-header)--no-header[Not display header]' \
+            '(--db --database)'{--db=,--database=}'[Specify the database to use]:database:_files' \
+            && ret=0
+          ;;
       esac
       ;;
   esac
@@ -119,7 +130,7 @@ _rails_subcommands() {
       {console,c}'[Start the Rails console]'
       {server,s}'[Start the Rails server]'
       {dbconsole,db}'[Start a console for the database specified in config/database.yml]'
-      {destroy,d}'[Undo code generated with "generate"]'
+      {destroy,d}'[Remove code generated by "bin/rails generates"]'
       plugin'[Install a plugin]'
       {runner,r}'[Run a piece of code in the application environment]'
       {test,t}'[Run tests]'
@@ -389,27 +400,6 @@ __rails_migration_fields() {
   fi
 }
 
-_rails_dbconsole() {
-  _arguments \
-    '(- *)'--help'[Show this help message]' \
-    '(-p --include-password)'{-p,--include-password}'[Automatically provide the password from database.yml]' \
-    --mode'[Automatically put the sqlite3 database in the specified mode (html, list, line, column)]:mode:(html list line column)' \
-    --header
-}
-
-
-_rails_db() {
-  _rails_dbconsole
-}
-
-_rails_destroy() {
-  _rails_generate
-}
-
-_rails_d() {
-  _rails_destroy
-}
-
 _rails_plugin() {
   local context state line curcontext="$curcontext"