nvim: modify statusline

- move functions to functions.lua
- enable new file indicator

.config/nvim/lua/my/functions.lua

@@ -142,4 +142,17 @@ function M.lsp_sig_status()
     return require('lsp_signature').status_line(width).label
 end
 
+function M.not_firenvim()
+    return vim.g.started_by_firenvim == nil
+end
+
+-- returns the name of the current function in brackets or an empty string
+function M.current_function()
+    local curfun = vim.b.lsp_current_function
+    if curfun and curfun ~= '' then
+        return '(' .. curfun .. ')'
+    end
+    return ''
+end
+
 return M

.config/nvim/lua/my/tools.lua

@@ -77,6 +77,7 @@ map('n', '<F9>', require("nvim-tree.api").tree.toggle, 'Open nvim-tree')
 map('i', '<F9>', require("nvim-tree.api").tree.toggle, 'Open nvim-tree')
 
 vim.o.showmode = false
+local not_firenvim = require('my.functions').not_firenvim
 require('lualine').setup({
     options = {
         icons_enabled = nerdfont_installed,
@@ -90,19 +91,16 @@ require('lualine').setup({
         lualine_b = {
             { 'branch', icons_enabled = true },
             { 'diff' },
-            { 'require("my.functions").lsp_status()', padding = 0 },
+            { require('my.functions').lsp_status, padding = 0 },
             { 'diagnostics' }
         },
-        lualine_c = { { 'filename', path = 1,
-            cond = function() return vim.g.started_by_firenvim == nil end },
-            { function()
-                local curfun = vim.b.lsp_current_function
-                if curfun and curfun ~= '' then
-                    return '(' .. curfun .. ')'
-                end
-                return ''
-            end, padding = 0, color = 'StatusLineNC' } },
-        lualine_x = { { 'require("my.functions").lsp_sig_status()',
+        lualine_c = {
+            { 'filename', path = 1, newfile_status = true,
+                cond = not_firenvim },
+            { require('my.functions').current_function, padding = 0,
+                color = 'StatusLineNC' }
+        },
+        lualine_x = { { require('my.functions').lsp_sig_status,
             color = 'StatusLineNC' }, { 'filetype' } },
         lualine_y = { { 'progress' } },
         lualine_z = { { 'location' }, { '"🍄"', padding = 0 }