feat(cli): expanded preview

[louis-bompart]

Proposed changes

When previewing, being it thru the dedicated command or part of the push flow allow the user to analyze files to preview what's what.

To be precise:

• We 'pull' the target organization configuration (i.e. create a new snapshot from org, pull it).
• We compare each file using the resourceKeys.
  • Resource key present in the target but not in the source snapshot are added
  • Resource key present in the source snapshot but not in the target are kept unless using the -d flag.
  • If present in both, then the value of the resource from the source is applied on the target.

Testing

The focus of the tests will be on UT for this, testing is still ongoing:

• ExpandedPreviewer
• FileDiffProcessor

---

CDX-347

[olamothe]

@louis-bompart : Are these changes ready to review and merge ?

I saw your last comment about the backend not being ready and you preferring to wait. If that's the case, can you close this temporarily and re-open when it's ready (or switch it to draft).

Thanks !

[louis-bompart]

@louis-bompart : Are these changes ready to review and merge ?

@olamothe, the PR description is up-to-date with the work that I think needs to be done (mainly, UT), but it is ready for review.

I saw your last comment about the backend not being ready and you preferring to wait. If that's the case, can you close this temporarily and re-open when it's ready (or switch it to draft).

I don't know which comment you are talking about 😕?

[olamothe]

I don't know which comment you are talking about 😕?

This one:

And honestly, I don't think I would merge it till I can test it for real. (the more I coded it, the more I realized that there are a lot of places where it can go haywire, so I don't feel comfortable going forward till the backend is done and that I'm able to see what my code does.

But if it's ready, then 👍 Ill do the review.

[louis-bompart]

Ready for full review. Incorporate part of #391 and needs it to be merged first

• fix: remove appendCmdIfWindows #391 merged

[y-lakhdar]

There is a point in the terminal where nothing happens while the expanded preview is being computed. Maybe a spinner or any kind of feedback would let the user know this is normal

[y-lakhdar]

GG.
Maybe another to add a spinner while computing the expanded preview