Git status highlighting in tree mode

[notramo]

The git status in the output of exa -T --git -l isn't clear enough.
It should highlight the git status of the modified file, but not the parent directories.
It is good to easily see the parent directory of the modified file, so exa should print the modified mark, but it should be printed with a decreased intensity color (e.g. file in blue, parent directories in grey)

For example:
I have a git repo with only one file modified: src/neph/parser.cr
When I run exa -T --git -l, it highlights the git status of the src, and src/neph directory too, although only src/neph/parser.cr should be highlighted (src/neph/parser.cr → blue, src, src/neph → grey).

[kbd]

Came here to open a similar ticket. Here's an example:

$ .../gittest[git:master]$ exa -T -l --git
... 1 Feb 15:23 -- .
... 1 Feb 15:23 -- ├── js
... 1 Feb 15:23 -- │  ├── ourstuff.js
... 1 Feb 15:23 -- │  └── vendor
... 1 Feb 15:23 -- │     └── 3rdparty.js
... 1 Feb 15:23 -- └── readme.txt
$ .../gittest[git:master]$ git add -f js/vendor/3rdparty.js
$ .../gittest[git:master +]$ exa -T -l --git
... 1 Feb 15:23 N- .
... 1 Feb 15:23 N- ├── js
... 1 Feb 15:23 -- │  ├── ourstuff.js
... 1 Feb 15:23 N- │  └── vendor
... 1 Feb 15:23 N- │     └── 3rdparty.js
... 1 Feb 15:23 -- └── readme.txt

So, the desired behavior is that 'N' should only be on '3rdparty.js', right?

Two more things:

• exa needs documentation on what the git statuses mean. I had to read the source code to find out definitively what the letters mean.
• It would be great if there was a U status for "untracked". Dunno if this is reasonable to get from the underlying git library though.

[ariasuni]

I opened #778 for the documentation issue.