add R check standard github actions YAML

Author: markheckmann

.Rbuildignore

@@ -14,3 +14,4 @@ dev$
 ^Dockerfile$
 ^\.dockerignore$
 ^LICENSE\.md$
+^\.github$

.github/.gitignore

@@ -0,0 +1 @@
+*.html

.github/workflows/R-CMD-check.yaml

@@ -0,0 +1,58 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/master/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
+
+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@v2
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - uses: r-lib/actions/setup-r@v1
+        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@v1
+        with:
+          extra-packages: rcmdcheck
+
+      - uses: r-lib/actions/check-r-package@v1
+
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@main
+        with:
+          name: ${{ runner.os }}-r${{ matrix.config.r }}-results
+          path: check

README.md

@@ -1,9 +1,12 @@
 # Interpretive Clustering
 
+<!-- badges: start -->
 [![](https://www.r-pkg.org/badges/version/OpenRepGrid.ic?color=success)](https://cran.r-project.org/package=OpenRepGrid.ic)
 [![Build Status](https://travis-ci.org/markheckmann/OpenRepGrid.ic.svg?branch=master)](https://travis-ci.org/markheckmann/OpenRepGrid.ic)
 [![AppVeyor build status](https://ci.appveyor.com/api/projects/status/github/markheckmann/OpenRepGrid.ic?branch=master&svg=true)](https://ci.appveyor.com/project/markheckmann/OpenRepGrid.ic)
 [![Codecov test coverage](https://codecov.io/gh/markheckmann/OpenRepGrid.ic/branch/master/graph/badge.svg)](https://codecov.io/gh/markheckmann/OpenRepGrid.ic?branch=master)
+[![R-CMD-check](https://github.com/markheckmann/OpenRepGrid.ic/workflows/R-CMD-check/badge.svg)](https://github.com/markheckmann/OpenRepGrid.ic/actions)
+<!-- badges: end -->
 
 
 This package implements the [Interpretive Clustering (IC)](https://doi.org/10.1080/14780887.2020.1794088)