fix: incorrect copy and paste

lua/guard/events.lua

@@ -74,7 +74,7 @@ end
 
 local debounce_timer = nil
 function M.register_lint(ft, events)
-  iter(require('guard.filetype')[ft].formatter):any(function(config)
+  iter(require('guard.filetype')[ft].linter):any(function(config)
     if config.cmd and vim.fn.executable(config.cmd) ~= 1 then
       error(config.cmd .. ' not executable', 1)
     end

lua/guard/format.lua

@@ -90,7 +90,7 @@ local function do_fmt(buf)
   end, fmt_configs)
 
   -- check if all cmds executable again, since user can call format manually
-  iter(require('guard.filetype')[filetype].formatter):any(function(config)
+  iter(fmt_configs):any(function(config)
     if config.cmd and vim.fn.executable(config.cmd) ~= 1 then
       error(config.cmd .. ' not executable', 1)
     end

test/filetype_spec.lua

@@ -174,8 +174,15 @@ describe('filetype module', function()
     same({ '-l', '-L', '1' }, ft.c.linter[1].args)
   end)
 
-  it('can detect non executable cmd', function()
+  it('can detect non executable formatters', function()
     local c = ft('c')
-    assert(not pcall(c.fmt, { cmd = 'hjkl' }))
+    c:fmt({ cmd = 'hjkl' })
+    assert(not pcall(require('guard').setup))
+  end)
+
+  it('can detect non executable linters', function()
+    local c = ft('c')
+    c:lint({ cmd = 'hjkl' })
+    assert(not pcall(require('guard').setup))
   end)
 end)