GitLab

* [docs] [R-package] fix HTML generation errors in R docs, update to roxygen2 7.3.3

* fix conda env

* Update R-package/R/lgb.Dataset.R
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* update docs

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

[ci] use GitHub built-in token, switch comment-triggered jobs to workflow dispatch  (fixes #7012) (#7035)
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

Update .git-blame-ignore-revs

* dev

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* dev

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Co-authored-by: James Lamb <jaylamb20@gmail.com>

* Add R-squared metric, documentation, and tests

* Fix static ci checks: correct Sklearn r2_score URL link, fix cpp linting errors

* Replace non-static data members from pragma reduction with variables

* Update src/metric/metric.cpp

* Add additional asserts, remove needless y.copy()

* Add back y.copy()

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Co-authored-by: James Lamb <jaylamb20@gmail.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [docs] update badges in README

* Update README.md
Co-authored-by: Oliver Borchert <oliver.borchert@quantco.com>

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Co-authored-by: Oliver Borchert <oliver.borchert@quantco.com>

* dev

* dev

* dev

* Update static_analysis.yml

* Update .pre-commit-config.yaml

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Co-authored-by: James Lamb <jaylamb20@gmail.com>

* [c++] default to C++17 for most builds

* more updates

* fix formatting

[ci][docs] fix link checking action by switching from linkchecker to lychee and update some links (#7027)

* [ci] [swig] move SWIG jobs to GitHub Actions

* set compiler for Windows jobs

* skip conda setup on jobs that do not need it

* fix BUILD_DIRECTORY, add uploads

* fix more variables

* ensure artifact-upload directory actually exists

* more fixes

* set CONDA

* fix powershell env variable check, add conda to path for linux and macos

* fix comment

* remove AZURE env variable

* use absolute path

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* create directory unconditionally

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [ci] move C++ tests to GitHub Actions

* skip more CI

* fix env variables

* fix some small things

* fix software setup

* add sudo

* UBUNTU_BASE_CONTAINER (spelling)

* fix condition on manylinux image

* restore other CI

* remove if-else from python_package

* define BUILD_ARTIFACTSTAGINGDIRECTORY for cpp jobs

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update .appveyor.yml

* Update .appveyor.yml

* Update test_arrow.py

* Update test_arrow.py

* Update .appveyor.yml

* Update test_arrow.py

* [ci] move R-package artifact publishing to GitHub Actions

* create artifacts directory

* ensure both files are included

* restore other CI

* create artifacts directory unconditionally

* Update .github/workflows/r_package.yml
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update setup.sh

* Update build-docs.sh

* Update test-windows.ps1

* [ci] [C++] drop support for Visual Studio 2015 (fixes #6803)

* update more references

* [ci] some additional changes to drop VS2015 and make it work from solution file (#7046)

* Update LightGBM.vcxproj

* Update LightGBM.vcxproj.filters

* Update Installation-Guide.rst

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Add competitions

* Simplify links

* Remove 1st place

Instead of replacing all #ifdef USE_CUDA, just add USE_CUDA define to ROCm build.