GitLab

* TST Migrates test_basic.py to use pytest

* STY Linting

* CI Force CI to run

* Update optional_checks.yml

* Update get_workflow_status.py

* Update cuda_tree_learner.cpp

* Update cuda_tree_learner.h

* Update cuda.yml

* improve experience with optional GitHub workflows

* Update README.md

* Update r_artifacts.yml

* Update optional_checks.yml

* continue

* Update triggering_comments.yml

* Update README.md

* Update r_artifacts.yml

* Update r_artifacts.yml

* Update r_artifacts.yml

* Update r_valgrind.yml

* Update r_artifacts.yml

* Update r_valgrind.yml

* Update r_valgrind.yml

* Update r_valgrind.yml

* add docstrings to fix lint

* better formatting for multi-line commands

* [ci] move CI jobs from Travis to Azure DevOps (fixes #3519)

* comment out other CIs to avoid wasting cycles

* try without docker

* add container back

* stop using --user in pip install

* run check-docs and lint without container

* job names

* move more jobs to Azure-hosted Linux pool

* fix PATH for check-docs

* uncomment other CI

* uncomment windows

* remove uses of maxParallel

* try moving macos-latest jobs to GitHub Actions

* fix config

* fix missing conda env

* set Python version

* remove commented-out code

* add more to GitHub Actions

* try to fix GPU

* remove static_analysis to prevent conflicts with #3726

* change workflow name

* try using ubuntu:latest docker

* fix conda

* trying to find where permissions first break

* add workaround for sudo

* please azure please

* image syntax

* more sudo

* noninteractive

* LC_ALL

* more  sudo

* more stuff

* CONDA dir

* paths

* get path

* missing CONDA

* fix path stuff

* more tests

* fix graphviz

* stuff

* more graphviz

* install xorg-libxau

* graphviz works, run more jobs

* stuff

* enable more tests

* uncomment GitHub Actions

* uncomment all other CIs

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

* add travis.yml to Rbuildignore

* add Rbuildignore rule for fmt

* add libomp for clang builds

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

* DOC: add conda-forge install instructions

* DOC: add conda-forge instructions

* DOC: fix hyperlink

* DOC: point to installation guide

* add detailed

* Update python-package/README.rst
Co-authored-by: James Lamb <jaylamb20@gmail.com>

* Update python-package/README.rst
Co-authored-by: James Lamb <jaylamb20@gmail.com>

* rm characters

* add pip install

* add :

* Update python-package/README.rst
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update python-package/README.rst
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* remove pip from header

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

* [ci] move Python Mac jobs from Travis to GitHub Actions

* alphabetize

* fix workflow

* fix name

* fix os

* new workflow

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

* changes from code review

* swap compilers

* swap compilers back

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

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

* replace file extensions in docs during Sphinx build

* Update .travis.yml

* Update .travis.yml

* Update conf.py

* fix lint

* fix lint

* [ci] Move check-docs and lint jobs off Travis

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

* try moving check-docs into a containerized job

* add install flag and README badge

* trying to find the error

* ignore pipefail

* remove -e

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

* more changes

* additional changes

* Update .github/workflows/static_analysis.yml

* Update README.md
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

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

Co-authored-by: jingwei.su <jingwei.su@hulu.com>

* Fix compiler warnings caused by implicit type conversion

* Fix more warnings

* Fix more warnings

* Fix monotone constraint bug where split does not fulfill constraints.

* Fix indent.

* add explicit return statement to functions in callback.R

* add explicit return statement to functions in lgb.Booster.R

* add explicit return statement to functions in lgb.Dataset.R

* add explicit return statement to functions in lgb.Predictor.R

* add explicit return statement to functions in lgb.cv.R

* add explicit return statement to functions in lgb.interprete.R

* add explicit return statement to functions in lgb.plot.importance.R

* add explicit return statement to functions in saveRDS.lgb.Booster.R

* add explicit return statement to functions in utils.R

* add explicit return statement to functions in lgb.plot.interpretation.R

* add explicit return statement to functions in build_r.R

* fix typo

* return(self) -> return(invisible(self))

* fix some inconsistent indention

* fix test failure

* add another return() statement

* fix linting errors

* comment out flaky MinGW job for R

* remove instead of comment out

* [R-package] add support for non-ASCII feature names (fixes #2983)

* fix Windows

* [R-package] remove broken default file in readRDS / saveRDS functions

* empty commit

* [R-package] allow access to params in Booster

* remove unnecessary whitespace

* fix test on resetting params

* remove pytest_cache

* Update R-package/tests/testthat/test_custom_objective.R

Compile warnings have been fixed

* try to fix valgrind checks

* fix redirection

* uncomment other CIs

* [python-package] remove unused Eigen files (fixes #3684)

* more changes

* add EIGEN_MPL2_ONLY in VS solution file

* fix VS project

* remove EIGEN_MPL2_ONLY define in linear_tree_learner
Co-authored-by: Nikita Titov <nekit94-12@hotmail.com>

* [docs] add doc on min_data_in_leaf approximation (fixes #3634)

* Fix capital letter
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* small code and docs refactoring

* Update CMakeLists.txt

* Update .vsts-ci.yml

* Update test.sh

* continue

* continue

* revert stable sort for all-unique values

* speed up files downloading for Windows CI

* run CI

* revert changing CI branch