enable github action for R CMD check

Author: eblondel

.Rbuildignore

@@ -1,4 +1,5 @@
 ^\.travis\.yml$
+.github
 ^.*\.Rproj$
 ^\.Rproj\.user$
 doc/slides

.github/workflows/r-cmd-check.yml

@@ -0,0 +1,39 @@
+# Build
+
+name: Build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: R ${{ matrix.config.r }} | ${{ matrix.config.os }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      matrix:
+        config:
+          - {os: ubuntu-20.04,   r: '4.0.5', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
+    steps:
+      - uses: actions/checkout@v2
+      #R Set-up
+      - name: Set up R ${{ matrix.config.r }}
+        uses: r-lib/actions/setup-r@v1
+        with:
+          r-version: ${{ matrix.config.r }}
+      #Install dependencies
+      - name: Install dependencies
+        uses: r-lib/actions/setup-r-dependencies@v1
+        with:
+          extra-packages: covr
+      #Test code coverage
+      - name: Test code coverage
+        run: covr::codecov()
+        shell: Rscript {0}
+      #Check R Package
+      - name: Check R package
+        uses: r-lib/actions/check-r-package@check-r-package
+        with:
+          artifact-name: rsdmx_r-${{ matrix.config.r }}_${{ matrix.config.os }}-results

README.md

@@ -1,6 +1,6 @@
 **rsdmx**
 =======
-[![Build Status](https://travis-ci.org/opensdmx/rsdmx.svg?branch=master)](https://travis-ci.org/opensdmx/rsdmx)
+[![Build Status](https://github.com/eblondel/rsdmx/actions/workflows/r-cmd-check.yml/badge.svg?branch=master)](https://github.com/eblondel/rsdmx/actions/workflows/r-cmd-check.yml)
 [![codecov.io](https://codecov.io/github/opensdmx/rsdmx/coverage.svg?branch=master)](https://codecov.io/github/opensdmx/rsdmx?branch=master)
 [![CRAN_Status_Badge](https://www.r-pkg.org/badges/version/rsdmx)](https://cran.r-project.org/package=rsdmx)
 [![cran checks](https://cranchecks.info/badges/worst/rsdmx)](https://cran.r-project.org/web/checks/check_results_rsdmx.html)