cider: configure refactor-nrepl options as a dictionary

Rather than having a global per option, have a single global dictionary
for refactor-nrepl options. This is more versatile and resilient to any
future additions or removals to these options from the refactor-nrepl
project.

Author: ltriant

README.md

@@ -50,8 +50,10 @@ own. Check the implementation file for `<Plug>` bindings.
 let g:cider_no_maps=1 " Disable built-in mappings
 
 " Set refactor-nrepl options 
-let g:refactor_nrepl_prefix_rewriting = 0  " tell clean-ns to not use prefix forms
-let g:refactor_nrepl_prune_ns_form = 0     " ... and don't remove unused symbols
+let g:refactor_nrepl_options = {
+	\ 'prefix-rewriting': 'false',      " tell clean-ns to not use prefix forms
+	\ 'prune-ns-form': 'false',         " ... and don't remove unused symbols
+	\ }
 
 " Setup visualmode bindings yourself, to some keys which don't interact
 " with e.g. change command

doc/cider.txt

@@ -16,18 +16,10 @@ DOCUMENTATION                                   *cider-documentation*
                                                 *cider-no-maps*
 g:cider_no_maps         Set this option to true to disable built-in maps.
 
-                                                *refactor-nrepl-prune-ns-form*
-g:refactor_nrepl_prune_ns_form
-                        Use this option to set the prune-ns-form option for
-						refactor-nrepl. Check
-						https://github.com/clojure-emacs/refactor-nrepl#configure
-                        for documentation.
-
-                                                *refactor-nrepl-prefix-rewriting*
-g:refactor_nrepl_prefix_rewriting
-                        Use this option to set the prefix-rewriting option for
-						refactor-nrepl. Check
-						https://github.com/clojure-emacs/refactor-nrepl#configure
+                                                *refactor-nrepl-options*
+g:refactor_nrepl_options
+						Use this option to set settings for refactor-nrepl.
+						Check https://github.com/clojure-emacs/refactor-nrepl#configure
                         for documentation.
 
                                                 *cider-=f*

plugin/cider.vim

@@ -138,12 +138,10 @@ function! s:clean_ns() abort
   if expand('<cword>') ==? 'ns'
 	let opts = { 'op': 'clean-ns', 'path': p }
 
-	if exists('g:refactor_nrepl_prune_ns_form')
-		let opts['prune-ns-form'] = g:refactor_nrepl_prune_ns_form ? 'true' : 'false'
-	endif
-
-	if exists('g:refactor_nrepl_prefix_rewriting')
-		let opts['prefix-rewriting'] = g:refactor_nrepl_prefix_rewriting ? 'true' : 'false'
+	if exists('g:refactor_nrepl_options')
+		for [opt_k, opt_v] in items(g:refactor_nrepl_options)
+			let opts[opt_k] = opt_v
+		endfor
 	endif
 
 	let res = fireplace#message(opts)[0]