Add ability to ignore git submodules

[d3zd3z]

Some projects pull in other large subprojects as submodules (think of LLVM in the Rust compiler source). This can dwarf the statistics, making them less useful.

This could either be added as a feature to tokei, or use the output of a git submodule command to generate a list of exclusions to give to it.

[o2sh]

Sorry for the late answer.
I'm not sure I see the issue, tokei (therefore onefetch) is already ignoring everything that is listed in your .gitignore file.

What I can do is add an exclude flag (like in tokei) where the user can specify some files or folder to exclude which are not referenced in the .gitignore...

Would that solve the issue?

[spenserblack]

If the tokei dependency is updated to version 10.0, you should be able to add a .tokeignore file (see tokei's CHANGELOG.md). Whatever tokei ignores via this file, onefetch would ignore. That might resolve this issue.
I can make a PR for this if you want.

[o2sh]

Thanks for the info @spenserblack

Plz do the PR 🥇

Would that solve your issue @d3zd3z ?

[d3zd3z]

I "solves" the issue in that it provides another way to work around it. But it is at least more meaningful as a Tokei-specific file.

[marcelarie]

Awesome it can use .tokeignore!!

In any case there should be a flag to ignore the submodules, --ignore-submodules.

[spenserblack]

A PR that I'm working on (#1305) will actually have the side-effect of ignoring submodules by default.

Looking at scc, I'm starting to think that's a reasonable default, and a --recurse-submodules flag can be added if there's demand.