see #2147

Author: edzer

tic.R

@@ -0,0 +1,8 @@
+# installs dependencies, runs R CMD check, runs covr::codecov()
+do_package_checks()
+
+if (ci_on_ghactions() && ci_has_env("BUILD_PKGDOWN")) {
+  # creates pkgdown site and pushes to gh-pages branch
+  # only for the runner with the "BUILD_PKGDOWN" env var set
+  do_pkgdown()
+}