From f3044cb0cc2594184dbfee654264219e08634263 Mon Sep 17 00:00:00 2001
From: Sean <seanwarman@protonmail.com>
Date: Sat, 27 Mar 2021 11:32:18 +0000
Subject: [PATCH 1/2] exposed preview path for plugin functionality

---
 autoload/fzf/vim.vim | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 9e14f8540..678cc2139 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -113,6 +113,23 @@ function! s:prepend_opts(dict, eopts)
   return s:extend_opts(a:dict, a:eopts, 1)
 endfunction
 
+function! fzf#vim#preview_path()
+  if s:is_win
+    let is_wsl_bash = exepath('bash') =~? 'Windows[/\\]system32[/\\]bash.exe$'
+    if empty($MSWINHOME)
+      let $MSWINHOME = $HOME
+    endif
+    if is_wsl_bash && $WSLENV !~# '[:]\?MSWINHOME\(\/[^:]*\)\?\(:\|$\)'
+      let $WSLENV = 'MSWINHOME/u:'.$WSLENV
+    endif
+    return 'bash '.(is_wsl_bash
+    \ ? substitute(substitute(s:bin.preview, '^\([A-Z]\):', '/mnt/\L\1', ''), '\', '/', 'g')
+    \ : escape(s:bin.preview, '\'))
+  else
+    return fzf#shellescape(s:bin.preview)
+  endif
+endfunction
+
 " [[spec to wrap], [preview window expression], [toggle-preview keys...]]
 function! fzf#vim#with_preview(...)
   " Default spec
@@ -161,20 +178,7 @@ function! fzf#vim#with_preview(...)
   if len(window)
     let preview += ['--preview-window', window]
   endif
-  if s:is_win
-    let is_wsl_bash = exepath('bash') =~? 'Windows[/\\]system32[/\\]bash.exe$'
-    if empty($MSWINHOME)
-      let $MSWINHOME = $HOME
-    endif
-    if is_wsl_bash && $WSLENV !~# '[:]\?MSWINHOME\(\/[^:]*\)\?\(:\|$\)'
-      let $WSLENV = 'MSWINHOME/u:'.$WSLENV
-    endif
-    let preview_cmd = 'bash '.(is_wsl_bash
-    \ ? substitute(substitute(s:bin.preview, '^\([A-Z]\):', '/mnt/\L\1', ''), '\', '/', 'g')
-    \ : escape(s:bin.preview, '\'))
-  else
-    let preview_cmd = fzf#shellescape(s:bin.preview)
-  endif
+  let preview_cmd = fzf#vim#preview_path()
   if len(placeholder)
     let preview += ['--preview', preview_cmd.' '.placeholder]
   end

From 8730a5b2e556590175cd771d81526bf8b8155f8e Mon Sep 17 00:00:00 2001
From: Sean <seanwarman@protonmail.com>
Date: Sat, 27 Mar 2021 14:49:28 +0000
Subject: [PATCH 2/2] added fzf#vim#browse function

---
 autoload/fzf/vim.vim | 19 +++++++++++++++++++
 plugin/fzf.vim       |  3 ++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 678cc2139..82956e0d5 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -1437,6 +1437,25 @@ function! fzf#vim#complete(...)
   return ''
 endfunction
 
+" ------------------------------------------------------------------
+" fzf#vim#browse - browser
+" ------------------------------------------------------------------
+
+function! fzf#vim#browse(dir)
+  let bindings = 'ctrl-l:accept,ctrl-e:preview-down,ctrl-y:preview-up,ctrl-d:preview-page-down,ctrl-u:preview-page-up,ctrl-p:up,ctrl-n:down' 
+  let preview = 'if [ -f {} ]; then ' . fzf#vim#preview_path() . ' {}; else ls -Ap {}; fi'
+  let options = '--reverse --header=$PWD --border=rounded --preview-window=right:70% --bind="' . bindings . '" --preview="' . preview . '"'
+  let paths = fzf#run({'source': 'echo "..\n$(ls -Ap)"', 'options': options, 'dir': a:dir, 'sink': 'silent!'})
+
+  if !len(paths) | return | endif
+
+  let path = a:dir . '/' . paths[0]
+
+  if isdirectory(path) | return fzf#vim#browse(path) | endif
+
+  exe "e " path
+endfunction
+
 " ------------------------------------------------------------------
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 9719538ac..9e2230f17 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -66,7 +66,8 @@ call s:defs([
 \'command! -bar -bang BCommits                           call fzf#vim#buffer_commits(fzf#vim#with_preview({ "placeholder": "" }), <bang>0)',
 \'command! -bar -bang Maps                               call fzf#vim#maps("n", <bang>0)',
 \'command! -bar -bang Filetypes                          call fzf#vim#filetypes(<bang>0)',
-\'command!      -bang -nargs=* History                   call s:history(<q-args>, fzf#vim#with_preview(), <bang>0)'])
+\'command!      -bang -nargs=* History                   call s:history(<q-args>, fzf#vim#with_preview(), <bang>0)',
+\'command!            Browse                             call fzf#vim#browse(expand("%:p:h"))'])
 
 function! s:history(arg, extra, bang)
   let bang = a:bang || a:arg[len(a:arg)-1] == '!'