Add CI/CD pipeline with code coverage, linting, and code formatting #7

	# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
	# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
	on:
	push:
	branches: [main, master]
	pull_request:
	branches: [main, master]

	name: R-CMD-check.yaml

	permissions: read-all

	jobs:
	R-CMD-check:
	runs-on: ${{ matrix.config.os }}

	name: ${{ matrix.config.os }} (${{ matrix.config.r }})

	strategy:
	fail-fast: false
	matrix:
	config:
	- {os: macos-latest, r: 'release'}
	- {os: windows-latest, r: 'release'}
	- {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
	- {os: ubuntu-latest, r: 'release'}
	- {os: ubuntu-latest, r: 'oldrel-1'}

	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	R_KEEP_PKG_SOURCE: yes

	steps:
	- uses: actions/checkout@v4

	- uses: r-lib/actions/setup-pandoc@v2

	- uses: r-lib/actions/setup-r@v2
	with:
	r-version: ${{ matrix.config.r }}
	http-user-agent: ${{ matrix.config.http-user-agent }}
	use-public-rspm: true

	- uses: r-lib/actions/setup-r-dependencies@v2
	with:
	extra-packages: any::rcmdcheck,covr,lintr,styler
	needs: check

	- uses: r-lib/actions/check-r-package@v2
	with:
	upload-snapshots: true
	build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'

	- name: Run test coverage
	run: Rscript -e 'covr::codecov()'
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

	- name: Run linting
	run: Rscript -e 'lintr::lint_package()'

	- name: Check code formatting with styler
	run: Rscript -e 'styler::style_pkg(strict = TRUE, scope = "file", transformers = styler::tidyverse_style(), reindention = FALSE, check_only = TRUE)'

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