This fixes #2598 if followed by an update of rascal-maven-plugin

[jurgenvinju]

• the packager now copies to a new folder instead of rewriting in place.
• fixed typos and unfinished business

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46%. Comparing base (c275bc9) to head (fc99d67).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #2602   +/-   ##
=======================================
- Coverage       46%     46%   -1%     
- Complexity    6651    6653    +2     
=======================================
  Files          793     793           
  Lines        65697   65697           
  Branches      9839    9839           
=======================================
- Hits         30617   30612    -5     
- Misses       32718   32727    +9     
+ Partials      2362    2358    -4     

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[jurgenvinju]

I tested this with a SNAPSHOT version on a fixed version of rascal-maven-plugin. It works as expected. Have to make an RC release to make this available to rascal-maven-plugin.