per-project source file config

[tckmn]

I have a project where I only want to generate tags for a specific directory (src). This can be accomplished in one of two ways:

• Run ctags as ctags src.
• Run ctags as ctags, and include -L filelist in an options file for ctags (where filelist contains only src).

However, neither of these are currently possible with gutentags, as ctags $PROJECT_ROOT is hardcoded here.

Could some mechanism be added to tell ctags to not run on an entire project? (I am unsure of the best way to implement this while maintaining the reasonable default of indexing the whole project -- perhaps if an -L option is found in .gutctags then the CTAGS_ARGS_LAST argument should not be passed, though this seems slightly brittle/hacky.)

[ludovicchabant]

A clunky but workable way would be to specify --exclude= entries for everything except src inside the project's .gutctags?

Another option is to simply tell Gutentags that the project root is inside src. You can do that with a combination of g:gutentags_project_root, g:gutentags_exclude_project_root, and, if needed, by writing a custom g:gutentags_project_root_finder.