I am interested in trying to implement this, I envision this feature like a window pops-up with the chunk of code selected and let you navigate backwards the commits that changed that code.

Christian, can you suggest/sketch how do you want this to be implemented? and a small guidance about what files are involved / need to be looked at to implement this?

(In reply to Nelson Benitez from comment #1)
> I am interested in trying to implement this, I envision this feature like a
> window pops-up with the chunk of code selected and let you navigate
> backwards the commits that changed that code.

Once you start getting into the "navigating" commits, things start getting a lot more complex because we need to think about how we're going to implement VCS integration in terms of commit management. We simply aren't there yet, so it's hard to make a suggestion when there is so much "unknown".

> Christian, can you suggest/sketch how do you want this to be implemented?
> and a small guidance about what files are involved / need to be looked at to
> implement this?

For the simplest form, such as some hover information for a given line, we'd probably need a simple plugin interface that a VCS backend can implement.

Something to get the commit message for a file+line which takes changes in the working directory into account. Then the git plugin should add a new class to implement that interface and register it in ide-git-plugin.c.

Then we'd have to plug that into a tooltip-text provider in the IdeOmniGutterRenderer.

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