fix: metadata type detection for subtype not packageable contained inside file

[scolladon]

Explain your changes

---

Make sure the plugin detects subtype and copy the file when not packageable subtype are present after pruning a file

Does this close any currently open issues?

---

closes #857

• Jest tests added to cover the fix.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (5941fcd) to head (988b051).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #858   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           39        39           
  Lines         1069      1067    -2     
  Branches       115       114    -1     
=========================================
- Hits          1069      1067    -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[scolladon]

Hi @jfaderanga !

Could you help here and test the fix with the exact context you used to experience the related issue please ?

You can follow those steps to install the dev version locally and test it.

[codeclimate]

Code Climate has analyzed commit 988b051 and detected 0 issues on this pull request.

View more on Code Climate.

[jfaderanga]

Hi @jfaderanga !

Could you help here and test the fix with the exact context you used to experience the related issue please ?

You can follow those steps to install the dev version locally and test it.

Hi @scolladon thanks heaps mate, I've tested both latest and dev in the exact context where we get the issue.
@latest - failed, package xml is empty.
@dev-858 - passed, package xml is not empty.

[github-actions]

Shipped in release v5.39.2.
You can install the new version using the version number or the latest-rc channel

$ sfdx plugins:install sfdx-git-delta@latest-rc
$ sfdx plugins:install sfdx-git-delta@v5.39.2

Happy incremental deployment!