Revert "Change to CMD-checks to avoid failing on non fatal warnings"

This reverts commit acacbcf.

Github action is generated by utils package to mimic R CMD checks, and therefore should not be altered.  If warnings or errors are shown, they need to be fixed instead.

Author: ccamara

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

@@ -47,9 +47,5 @@ jobs:
 
       - uses: r-lib/actions/check-r-package@v2
         with:
-          args: 'c("--no-manual","--as-cran","--no-examples")'
-          error-on: '"error"'
-        env:
-          _R_CHECK_FORCE_SUGGESTS_: "false"
-          R_REMOTES_NO_ERRORS_FROM_WARNINGS: "true"
-
+          upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'

R/caption_groups.R

@@ -41,7 +41,7 @@ caption_group <- function(df = NULL,
   if (!is.null(contribs_tbl) &&
       all(c("changesets", "first_edit", "last_edit") %in% base::names(contribs_tbl))) {
     rng  <- base::range(c(contribs_tbl$first_edit, contribs_tbl$last_edit), na.rm = TRUE)
-    days <- as.numeric(base::diff(rng)) + 1
+    days <- as.numeric(stats::diff(rng)) + 1
     total_changesets <- base::sum(contribs_tbl$changesets, na.rm = TRUE)
     per_day <- ifelse(days > 0, total_changesets / days, total_changesets)
   } else if (!is.null(df) && "date" %in% base::names(df)) {