bug#66317: Project mode-line

[Juri Linkov]

>> +;;;###autoload
>> +(defcustom project-mode-line nil
>> +  "Show the current project name with the menu on the mode line."
>> +  :type 'boolean
>> +  :group 'project
>> +  :version "30.1")
>>
>> --- a/lisp/bindings.el
>> +++ b/lisp/bindings.el
>> @@ -682,6 +682,7 @@ mode-line-end-spaces
>>           'mode-line-buffer-identification
>>           "   "
>>           'mode-line-position
>> +         '(project-mode-line project-mode-line-format)
>>           '(vc-mode vc-mode)
>>           "  "
>>           'mode-line-modes
>
> bindings.el is preloaded, but project.el is not.  Doesn't the above
> cause trouble while bootstrapping, or forces loading project.el right
> after starting Emacs?  IOW, when will project.el be loaded if the user
> customizes the new option to a non-nil value?

project-mode-line is autoloaded and nil by default.  This means no trouble
while bootstrapping, and project.el is not loaded after starting Emacs.
project.el is loaded only after customizing project-mode-line to non-nil.