Add Github action to run R CMD check.

.Rbuildignore

@@ -3,3 +3,4 @@
 ^tests$
 ^docs$
 ^.github$
+^\.github$

.github/.gitignore

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

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

@@ -0,0 +1,60 @@
+# 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
+
+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@v3
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-tinytex@v2
+      - run: tlmgr --version
+      - run: tlmgr install colortbl grfext ae
+      - run: tlmgr list --only-installed
+      - 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@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
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        with:
+          upload-snapshots: true
+          build_args: 'c("--no-manual", "--compact-vignettes=both")'

README.md

@@ -1,9 +1,11 @@
 # kableExtra <img src="https://haozhu233.github.io/kableExtra/kableExtra.svg" align="right" alt="logo" width="120" height = "139" style = "border: none; float: right;">
+<!-- badges: start -->
 [![CRAN_version](http://www.r-pkg.org/badges/version/kableExtra)](https://cran.r-project.org/package=kableExtra)
 [![CRAN_download](http://cranlogs.r-pkg.org/badges/kableExtra)](https://cran.r-project.org/package=kableExtra)
 [![CRAN_download_total](http://cranlogs.r-pkg.org/badges/grand-total/kableExtra)](https://cran.r-project.org/package=kableExtra)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1035917.svg)](https://doi.org/10.5281/zenodo.1035917)
-
+[![R-CMD-check](https://github.com/haozhu233/kableExtra/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/haozhu233/kableExtra/actions/workflows/R-CMD-check.yaml)
+<!-- badges: end -->
 
 ***