added 'args' provider

README.md

@@ -137,6 +137,7 @@ vim.api.nvim_set_keymap('n', '<c-P>',
 | `lines`            | open buffers lines                         |
 | `blines`           | current buffer lines                       |
 | `tabs`             | open tabs                                  |
+| `args`             | argument list                              |
 
 ### Search
 | Command          | List                                       |
@@ -345,7 +346,7 @@ require'fzf-lua'.setup {
       ["ctrl-t"]      = actions.file_tabedit,
       ["alt-q"]       = actions.file_sel_to_qf,
       -- custom actions are available too
-      ["ctrl-y"]      = function(selected) print(selected[2]) end,
+      ["ctrl-y"]      = function(selected) print(selected[1]) end,
     }
   },
   git = {
@@ -411,6 +412,13 @@ require'fzf-lua'.setup {
     file_icons        = true,           -- show file icons?
     color_icons       = true,           -- colorize file|git icons
   },
+  args = {
+    prompt            = 'Args❯ ',
+    actions = {
+      -- added on top of regular file actions
+      ["ctrl-x"]      = actions.arg_del,
+    }
+  },
   oldfiles = {
     prompt            = 'History❯ ',
     cwd_only          = false,
@@ -444,7 +452,7 @@ require'fzf-lua'.setup {
     live_preview      = true,       -- apply the colorscheme on preview?
     actions = {
       ["default"]     = actions.colorscheme,
-      ["ctrl-y"]      = function(selected) print(selected[2]) end,
+      ["ctrl-y"]      = function(selected) print(selected[1]) end,
     },
     winopts = {
       win_height        = 0.55,

doc/fzf-lua.txt

@@ -160,6 +160,7 @@ BUFFERS AND FILES                                  *fzf-lua-buffers-and-files*
 | `lines`            | open buffers lines                         |
 | `blines`           | current buffer lines                       |
 | `tabs`             | open tabs                                  |
+| `args`             | argument list                              |
 
                                                                               
 SEARCH                                                        *fzf-lua-search*
@@ -379,7 +380,7 @@ Consult the list below for available settings:
           ["ctrl-t"]      = actions.file_tabedit,
           ["alt-q"]       = actions.file_sel_to_qf,
           -- custom actions are available too
-          ["ctrl-y"]      = function(selected) print(selected[2]) end,
+          ["ctrl-y"]      = function(selected) print(selected[1]) end,
         }
       },
       git = {
@@ -445,6 +446,13 @@ Consult the list below for available settings:
         file_icons        = true,           -- show file icons?
         color_icons       = true,           -- colorize file|git icons
       },
+      args = {
+        prompt            = 'Args❯ ',
+        actions = {
+          -- added on top of regular file actions
+          ["ctrl-x"]      = actions.arg_del,
+        }
+      },
       oldfiles = {
         prompt            = 'History❯ ',
         cwd_only          = false,
@@ -478,7 +486,7 @@ Consult the list below for available settings:
         live_preview      = true,       -- apply the colorscheme on preview?
         actions = {
           ["default"]     = actions.colorscheme,
-          ["ctrl-y"]      = function(selected) print(selected[2]) end,
+          ["ctrl-y"]      = function(selected) print(selected[1]) end,
         },
         winopts = {
           win_height        = 0.55,

lua/fzf-lua/actions.lua

@@ -340,4 +340,14 @@ M.git_buf_vsplit = function(selected, opts)
   M.git_buf_edit(selected, opts)
 end
 
+M.arg_add = function(selected, opts)
+  local vimcmd = "argadd"
+  M.vimcmd_file(vimcmd, selected, opts)
+end
+
+M.arg_del = function(selected, opts)
+  local vimcmd = "argdel"
+  M.vimcmd_file(vimcmd, selected, opts)
+end
+
 return M

lua/fzf-lua/config.lua

@@ -213,6 +213,15 @@ M.globals.grep = {
     rg_opts             = "--column --line-number --no-heading --color=always --smart-case",
     actions             = M.globals.files.actions,
   }
+M.globals.args = {
+    previewer           = function() return M.globals.default_previewer end,
+    prompt              = 'Args> ',
+    file_icons          = true and M._has_devicons,
+    color_icons         = true,
+    git_icons           = true,
+    actions             = M.globals.files.actions,
+  }
+M.globals.args.actions["ctrl-x"] = actions.arg_del
 M.globals.oldfiles = {
     previewer           = function() return M.globals.default_previewer end,
     prompt              = 'History> ',

lua/fzf-lua/init.lua

@@ -58,6 +58,7 @@ end
 M.fzf_files = require'fzf-lua.core'.fzf_files
 M.files = require'fzf-lua.providers.files'.files
 M.files_resume = require'fzf-lua.providers.files'.files_resume
+M.args = require'fzf-lua.providers.files'.args
 M.grep = require'fzf-lua.providers.grep'.grep
 M.live_grep = require'fzf-lua.providers.grep'.live_grep_native
 M.live_grep_native = require'fzf-lua.providers.grep'.live_grep_native

lua/fzf-lua/providers/files.lua

@@ -71,4 +71,43 @@ M.files_resume = function(opts)
   return core.fzf_files(opts)
 end
 
+M.args = function(opts)
+  opts = config.normalize_opts(opts, config.globals.args)
+  if not opts then return end
+
+  local entries = vim.fn.execute("args")
+  entries = utils.strsplit(entries, "%s\n")
+  -- remove the current file indicator
+  -- remove all non-files
+  local args = {}
+  for _, s in ipairs(entries) do
+    if s:match('^%[') then
+      s = s:gsub('^%[', ''):gsub('%]$', '')
+    end
+    local st = vim.loop.fs_stat(s)
+    if opts.files_only == false or
+       st and st.type == 'file' then
+      table.insert(args, s)
+    end
+  end
+  entries = nil
+
+  opts.fzf_fn = function (cb)
+    for _, x in ipairs(args) do
+      x = core.make_entry_file(opts, x)
+      if x then
+        cb(x, function(err)
+          if err then return end
+            -- close the pipe to fzf, this
+            -- removes the loading indicator in fzf
+            cb(nil, function() end)
+        end)
+      end
+    end
+    utils.delayed_cb(cb)
+  end
+
+  return core.fzf_files(opts)
+end
+
 return M

lua/fzf-lua/utils.lua

@@ -22,6 +22,14 @@ M._if = function(bool, a, b)
     end
 end
 
+M.strsplit = function(inputstr, sep)
+  local t={}
+  for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
+    table.insert(t, str)
+  end
+  return t
+end
+
 function M.round(num, limit)
   if not num then return nil end
   if not limit then limit = 0.5 end