Switch to GitHub Actions (#12)

* Remove travis

* Switch to GitHub Actions

* Try an older ubuntu variant

* Try with a newer version of R CMD check action

* Try with a v2 build and include tinytex

* Switch to the v2 line

Author: coatless

.Rbuildignore

@@ -5,3 +5,4 @@
 ^\.travis\.yml$
 ^docs/
 ^codecov\.yml$
+^\.github$

.github/.gitignore

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

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

@@ -0,0 +1,49 @@
+# 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
+      # Required for PDF build
+      - uses: r-lib/actions/setup-tinytex@v2
+
+      - 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
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2

.travis.yml

@@ -1,11 +1,9 @@
 # assignr 
 
-[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active)
-[![Build Status](https://travis-ci.org/coatless/assignr.svg)](https://travis-ci.org/coatless/assignr) 
+<!-- badges: start -->
+[![R build status](https://github.com/r-assist/assignr/workflows/R-CMD-check/badge.svg)](https://github.com/r-assist/assignr/actions)
 [![Package-License](http://img.shields.io/badge/license-GPL%20(%3E=2)-brightgreen.svg?style=flat)](http://www.gnu.org/licenses/gpl-2.0.html)
-[![CRAN](http://www.r-pkg.org/badges/version/assignr)](https://cran.r-project.org/package=assignr)
-[![Downloads](http://cranlogs.r-pkg.org/badges/assignr?color=brightgreen)](http://www.r-pkg.org/pkg/assignr)
-[![Coverage Status](https://img.shields.io/codecov/c/github/coatless/assigner/master.svg)](https://codecov.io/github/coatless/assigner?branch=master)
+<!-- badges: end -->
 
 Tools for creating homework assignments and solutions using [_RMarkdown_](http://rmarkdown.rstudio.com/).