Add buffers into the mix

autoload/ctrlp/mixed.vim

@@ -1,6 +1,6 @@
 " =============================================================================
 " File:          autoload/ctrlp/mixed.vim
-" Description:   Files + MRU
+" Description:   Mixing Files + MRU + Buffers
 " Author:        Kien Nguyen <github.com/kien>
 " =============================================================================
 
@@ -13,7 +13,7 @@ let [g:loaded_ctrlp_mixed, g:ctrlp_newmix] = [1, 0]
 let s:mixed_var = {
 	\ 'init': 'ctrlp#mixed#init(s:compare_lim)',
 	\ 'accept': 'ctrlp#acceptfile',
-	\ 'lname': 'fil + mru',
+	\ 'lname': 'fil + mru + buf',
 	\ 'sname': 'mix',
 	\ 'type': 'path',
 	\ 'opmul': 1,
@@ -40,11 +40,11 @@ fu! s:getnewmix(cwd, clim)
 	en
 	let g:ctrlp_lines = copy(ctrlp#files())
 	cal ctrlp#progress('Mixing...')
-	let mrufs = ctrlp#mrufiles#list('raw')
+	let mrufs = copy(ctrlp#mrufiles#list('raw'))
 	if exists('+ssl') && &ssl
 		cal map(mrufs, 'tr(v:val, "\\", "/")')
 	en
-	if len(mrufs) > len(g:ctrlp_lines) || v:version < 702
+	if len(mrufs) > len(g:ctrlp_lines)
 		cal filter(mrufs, 'stridx(v:val, a:cwd)')
 	el
 		let cwd_mrufs = filter(copy(mrufs), '!stridx(v:val, a:cwd)')

autoload/ctrlp/mrufiles.vim

@@ -25,12 +25,12 @@ fu! s:excl(fn)
 	retu !empty(s:ex) && a:fn =~# s:ex
 endf
 
-fu! s:mergelists()
+fu! s:mergelists(...)
 	let diskmrufs = ctrlp#utils#readfile(ctrlp#mrufiles#cachefile())
-	cal filter(diskmrufs, 'index(s:mrufs, v:val) < 0')
-	let mrufs = s:mrufs + diskmrufs
-	if v:version < 702 | cal filter(mrufs, 'count(mrufs, v:val) == 1') | en
-	retu s:chop(mrufs)
+	let mrus = a:0 && a:1 == 'raw' ? s:mrbs : s:mrufs
+	cal filter(diskmrufs, 'index(mrus, v:val) < 0')
+	let mrua = mrus + diskmrufs
+	retu a:0 && a:1 == 'raw' ? mrua : s:chop(mrua)
 endf
 
 fu! s:chop(mrufs)
@@ -50,13 +50,15 @@ fu! s:record(bufnr)
 	if s:locked | retu | en
 	let bufnr = a:bufnr + 0
 	if bufnr <= 0 | retu | en
-	let fn = fnamemodify(bufname(bufnr), ':p')
+	let bufname = bufname(bufnr)
+	if empty(bufname) | retu | en
+	let fn = fnamemodify(bufname, ':p')
 	let fn = exists('+ssl') ? tr(fn, '/', '\') : fn
+	if empty(fn) || !empty(&bt) | retu | en
 	cal filter(s:mrbs, 'v:val !='.s:csen.' fn')
 	cal insert(s:mrbs, fn)
-	if empty(fn) || !empty(&bt) || ( !empty(s:in) && fn !~# s:in )
-		\ || ( !empty(s:ex) && fn =~# s:ex ) || !filereadable(fn)
-		retu
+	if ( !empty(s:in) && fn !~# s:in ) || ( !empty(s:ex) && fn =~# s:ex )
+		\ || !filereadable(fn) | retu
 	en
 	cal filter(s:mrufs, 'v:val !='.s:csen.' fn')
 	cal insert(s:mrufs, fn)
@@ -89,8 +91,7 @@ fu! ctrlp#mrufiles#remove(files)
 endf
 
 fu! ctrlp#mrufiles#list(...)
-	if a:0 && a:1 != 'raw' | retu | en
-	retu a:0 && a:1 == 'raw' ? s:mergelists() : s:reformat(s:mergelists())
+	retu a:0 ? a:1 == 'raw' ? s:mergelists(a:1) : 0 : s:reformat(s:mergelists())
 endf
 
 fu! ctrlp#mrufiles#bufs()

doc/ctrlp.txt

@@ -770,7 +770,7 @@ Available extensions:~
   * Mixed mode:~
     - Name: 'mixed'
     - Command: ':CtrlPMixed'
-    - Search in both files and MRU files.
+    - Search in files, buffers and MRU files.
 
 -------------------------------------------------------------------------------
 Buffer Tag mode options:~
@@ -904,9 +904,9 @@ Special thanks:~
 ===============================================================================
 CHANGELOG                                                     *ctrlp-changelog*
 
-    + Remove: g:ctrlp_mruf_last_entered, make it the default for MRU mode.
+    + Remove: g:ctrlp_mruf_last_entered, make it a default for MRU mode.
     + New commands: |:CtrlPLastMode|, open CtrlP in the last mode used.
-                    |:CtrlPMixed|, search in both files and MRU files.
+                    |:CtrlPMixed|, search in files, buffers and MRU files.
 
 Before 2012/03/31~