Documentation build modifications

[cvvergara]

Changes proposed in this pull request:

• (doc)(lint)removing unused files
• (doc) Reorganizing the build
• WITH-DOC is not used anymore
  • The HTML documentation is build by default
  • The translated languages (en, es, zh_Hans) HTML documentation is build by default
• Documentation is not build when
  * Sphinx is not found
  * When all Sphinx formats are OFF
  * When all languages are OFF
  * Output is on build/doc/_build/ directory
• Updating release notes and news about user documentation build
• (locale) moving scripts to CI actions scripts
• Doxygen documentation build by default
• sphinx-collapse is not a package can not use
• Adjusting documentation without collapse
• (CI) Adjusting workflows
• (NEWS) adjusting release notes and news about this changes

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[cvvergara]

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🧩 Analysis chain

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grep -A 10 -B 5 "WITH-DOC\|WITH_DOC\|Sphinx\|DOXYGEN" pr_diff.txt | head -30

echo -e "\n=== Examining doc/CMakeLists.txt structure ==="
grep -A 15 -B 5 "^diff --git.*doc/CMakeLists.txt" pr_diff.txt

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grep -A 10 -B 5 "^diff --git.*requirements.txt" pr_diff.txt

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Length of output: 2627

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Summary

This PR implements a comprehensive refactoring of pgRouting's documentation build system with the following key changes:

Main Changes:

• Removed WITH_DOC option: HTML documentation now builds by default
• Simplified build process: Documentation builds automatically when Sphinx is available
• Default language support: English, Spanish, and Chinese (zh_Hans) documentation builds by default
• Doxygen by default: Developer documentation now builds by default (BUILD_DOXY=ON)
• Dependency cleanup: Removed sphinx-collapse dependency
• CI workflow updates: Updated all GitHub workflows to use new build options
• Locale script improvements: Moved and improved locale update scripts

Technical Details:

• 28 files changed: 898 additions, 1,384 deletions (net -486 lines)
• New build options: BUILD_LOCALE, BUILD_LINKCHECK replace old WITH_DOC, LOCALE options
• Output location: Documentation now outputs to build/doc/_build/<format>/
• Conditional building: Documentation skips building when Sphinx not found or all formats/languages are OFF

Review

✅ Strengths:

1. Improved accessibility: Making documentation build by default enhances project usability
2. Simplified configuration: Reduced complexity with cleaner CMake options
3. Consistent CI updates: All workflows properly updated to use new build system
4. Dependency reduction: Removing sphinx-collapse reduces external dependencies
5. Better organization: Logical restructuring of documentation build process

🔍 Key Changes Reviewed:

CMakeLists.txt:

• PostgreSQL minimum version simplified from "13.0.0" to "13" ✅
• New build options properly implemented ✅

doc/CMakeLists.txt:

• Major restructuring from 163 to 95 lines - good simplification ✅
• Removed sphinx-collapse extension correctly ✅

CI Workflows:

• All 6 workflow files updated consistently ✅
• New build options (BUILD_LINKCHECK, BUILD_LOCALE) properly used ✅

NEWS.md:

• Release notes updated to reflect documentation changes ✅
• Following established format ✅

📋 Minor Observations:

• The changes align well with the project's goal of making documentation more accessible
• Build system is more intuitive for new contributors
• Maintains backward compatibility while improving defaults

This is a well-executed refactoring that significantly improves the documentation build experience while maintaining the project's quality standards. The changes are comprehensive, consistent, and well-tested through CI updates.

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🧠 Learnings used

Learnt from: cvvergara
PR: pgRouting/pgrouting#2723
File: tools/developer/run.sh:192-194
Timestamp: 2025-01-19T13:16:44.066Z
Learning: For the pgRouting repository, keep review comments concise and avoid excessive detail in suggestions.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2771
File: sql/common/_checkquery.sql:33-33
Timestamp: 2025-02-27T23:05:28.589Z
Learning: When reviewing PostgreSQL/pgRouting code, respect the maintainer's preference for brevity over additional comments when variable names are descriptive.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2764
File: sql/sigs/pgrouting--3.8.sig:125-136
Timestamp: 2025-02-27T16:33:56.959Z
Learning: The file sql/sigs/pgrouting--*.sig is automatically generated by a command and cannot be manually modified. Comments about naming conventions or other improvements should be directed at the source code that generates these signatures, not at the signature file itself.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2723
File: tools/developer/run.sh:62-68
Timestamp: 2025-01-19T13:17:02.243Z
Learning: For pgRouting project, CMake configuration comments should be kept minimal and concise, avoiding extensive explanations of build options and configurations.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2764
File: sql/sigs/pgrouting--3.8.sig:274-275
Timestamp: 2025-02-27T16:34:57.518Z
Learning: The file `sql/sigs/pgrouting--3.8.sig` is auto-generated by a command and should not be modified manually.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2868
File: NEWS.md:46-47
Timestamp: 2025-04-24T23:34:23.099Z
Learning: For pgRouting, NEWS.md should be updated using the generator script (tools/release-scripts/notes2news.pl) rather than edited directly, which is the correct procedure that the project maintainers follow.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2776
File: docqueries/src/sampledata.result:159-161
Timestamp: 2025-03-02T21:03:20.301Z
Learning: Files with `.result` extension in the pgRouting repository are generated and should not be manually modified with constraints or comments.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2725
File: src/coloring/edgeColoring_driver.cpp:87-87
Timestamp: 2025-01-19T16:17:53.496Z
Learning: Changes to error message handling in pgRouting functions require corresponding updates to pgtap tests to maintain test coverage.

---

Learnt from: cvvergara
PR: pgRouting/pgrouting#2864
File: doc/tsp/pgr_TSPeuclidean.rst:55-56
Timestamp: 2025-04-22T22:56:39.572Z
Learning: User cvvergara prefers to handle grammar improvements in separate PRs from spelling/typo corrections.