default map 'ctrl-z' to 'abort' (closes issue #172)

README.md

@@ -252,6 +252,7 @@ require'fzf-lua'.setup {
     },
     fzf = {
       -- fzf '--bind=' options
+      ["ctrl-z"]      = "abort",
       ["ctrl-u"]      = "unix-line-discard",
       ["ctrl-f"]      = "half-page-down",
       ["ctrl-b"]      = "half-page-up",

doc/fzf-lua.txt

@@ -286,6 +286,7 @@ Consult the list below for available settings:
         },
         fzf = {
           -- fzf '--bind=' options
+          ["ctrl-z"]      = "abort",
           ["ctrl-u"]      = "unix-line-discard",
           ["ctrl-f"]      = "half-page-down",
           ["ctrl-b"]      = "half-page-up",

lua/fzf-lua/config.lua

@@ -47,6 +47,7 @@ M.globals = {
       ["<S-left>"]  = "preview-page-reset",
     },
     fzf = {
+      ["ctrl-z"]        = "abort",
       ["ctrl-u"]        = "unix-line-discard",
       ["ctrl-f"]        = "half-page-down",
       ["ctrl-b"]        = "half-page-up",

lua/fzf-lua/win.lua

@@ -204,7 +204,7 @@ end
 
 function FzfWin:check_exit_status(exit_code)
   if not self:validate() then return end
-  if not exit_code or tonumber(exit_code) ~= 130 then
+  if not exit_code or (exit_code ~=0 and exit_code ~= 130) then
     local lines = vim.api.nvim_buf_get_lines(self.fzf_bufnr, 0, 1, false)
     -- this can happen before nvim-fzf returned exit code (PR #36)
     if not exit_code and (not lines or #lines[1]==0) then return end