nvim: improve cwd handling

- remove .clang-format as root marker because it is in ${HOME}
- don't return ${HOME} as project root in get_project_root()
- fall back to current dir in telescope find_files

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

@@ -67,7 +67,7 @@ vim.api.nvim_create_user_command('ModelineInsert', M.insert_modeline, {})
 -- Files that could indicate the project's root directory
 M.project_root_markers = {
     '.git', '.hg', '.svn', '.bzr', '_darcs',
-    '.projectile', '.clang-format', '.luarc.json', '.editorconfig'
+    '.projectile', '.luarc.json', '.editorconfig'
 }
 
 function M.get_project_root()
@@ -77,11 +77,12 @@ function M.get_project_root()
     repeat
         path = path:gsub(string.format('%s[^%s]*$', sep, sep), '')
         for _, marker in ipairs(M.project_root_markers) do
-            if io.open(path .. sep .. marker) then
+            if path ~= os.getenv('HOME') and io.open(path .. sep .. marker) then
                 return path
             end
         end
     until path == ''
+
     return nil
 end
 

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

@@ -23,7 +23,8 @@ local t_builtin = require('telescope.builtin')
 local my = require('my.functions')
 map('n', '<Leader>tb', t_builtin.buffers, 'Buffers')
 map('n', '<Leader>tf', function()
-    t_builtin.find_files({ cwd = my.get_project_root() })
+    t_builtin.find_files({ cwd = my.get_project_root() or
+        vim.fn.expand("%:p:h", true) }) -- fall back to current dir
 end, 'Files')
 map('n', '<Leader>tF', t_builtin.find_files, 'Files in cw')
 map('n', '<Leader>to', t_builtin.oldfiles, 'Recently opened files')