Re: v:shell_error is 1 starting gvim

On 2020-10-27, Ni Va wrote:
> Got this verbose report in level 4 just after opening tagbar.vim and try toggle
> tagbar.
>
> sourcing "D:\Logiciels\Vim\vimfiles\plugged\tagbar\autoload\tagbar.vim"
> filetype detection:ON plugin:ON indent:ON
> finished sourcing D:\Logiciels\Vim\vimfiles\plugged\tagbar\autoload\tagbar.vim
> line 1: sourcing "D:\Logiciels\Vim\vimfiles\plugged\tagbar\autoload\tagbar\
> debug.vim"
> finished sourcing D:\Logiciels\Vim\vimfiles\plugged\tagbar\autoload\tagbar\
> debug.vim
> continuing in <SNR>148_ToggleWindow
> Tagbar: Ctags doesn't seem to be Exuberant Ctags!
> BSD ctags will NOT WORK. Please download Exuberant Ctags from
> ctags.sourceforge.net and install it in a directory in your $PATH or set
> g:tagbar_ctags_bin.
> Executed command: "D:\Logiciels\Vim\vim82\ctags.exe --version"
> Command output:
> Universal Ctags 5.9.0(5d000b1a), Copyright (C) 2015 Universal Ctags Team^M
> Universal Ctags is derived from Exuberant Ctags.^M
> Exuberant Ctags 5.8, Copyright (C) 1996-2009 Darren Hiebert^M
> Compiled: Oct 26 2020, 01:20:04^M
> URL: https://ctags.io/^M
> Optional compiled features: +win32, +wildcards, +regex, +internal-sort,
> +unix-path-separator, +iconv, +option-directory, +xpath, +json, +interactive,
> +yaml, +case-insensitive-filenames, +packcc^M
> Exit code: 1 >> v:shell_error

As the error message says, the tagbar plugin was written to use
Exuberant Ctags and will not work with BSD ctags. The author tries
to verify that the required version of ctags is being used by
executing "ctags --version". The problem is that tagbar does not
recognize the Universal Ctags you are using, which is an improved
and supported derivative of Exuberant Ctags.

Universal Ctags should work as well if not better than Exuberant
Ctags. There is one irritating incompatibility between the two:
the author of Universal Ctags changed the spelling of the "--extra"
option "--extras". A plugin that uses that option but knows the
ctags version can work around that.

I think the best solution here is to modify tagbar.vim, either
yourself or by contacting the author, so that it accepts Universal
Ctags as well as Exuberant Ctags.

You could install Exuberant Ctags and make sure it is earlier in
your PATH than Universal Ctags, but since the former is unsupported
and not as capable, I wouldn't recommend that.

Regards,
Gary

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