Summary by CodeRabbit

• New Features

  • Added an archive-links command to update reference URLs via the Wayback Machine.

• Chores

  • Improved Makefile help with a default goal and phony declaration.
  • Replaced live reference links with archived URLs across multiple country holiday definitions (Australia, Estonia, Italy, Sweden, Venezuela).

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Walkthrough

Updates documentation/reference URLs in multiple country holiday modules to archived Web Archive links and adds a new Makefile target archive-links (with .DEFAULT_GOAL := help and .PHONY: help) and help text advertising that target.

Changes

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• Add dependency upgrade Makefile target #3166: Adds/edits Makefile targets and help output (same Makefile area).
• Update Australia holidays: move Anzac Day in 2026 (ACT) #3216: Modifies holidays/countries/australia.py ACT Anzac Day reference URL (same file/link).
• Clean up unicode URLs #2580: Broad URL archival/cleanup across country holiday modules (overlapping URL updates).

Suggested reviewers

• KJhellico
• PPsyrius

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Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (43ccde3) to head (83b9070).
⚠️ Report is 1 commits behind head on dev.

@@            Coverage Diff            @@
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  Coverage   100.00%   100.00%           
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  Files          307       307           
  Lines        18314     18314           
  Branches      2339      2339           
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  Hits         18314     18314           

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I think it would be worth adding an option to run the archiver on a single .py file (e.g., python archive_links.py countries/united_states.py) instead of scanning the entire library every time. It would be especially helpful when we are just adding or updating a specific country and want to verify those references quickly.

Just a thought!