signal an error when buiding rmarkdown vignettes but Pandoc is not av…

…ailable, unless the vignette is build during R CMD check (in which case a message is emitted instead)
yihui · Jun 23, 2021 · ab4ca53 · ab4ca53
1 parent 05ccb07
commit ab4ca53
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/R/utils-vignettes.R b/R/utils-vignettes.R
@@ -101,7 +101,7 @@ register_vignette_engines = function(pkg) {
     if (pandoc_available()) {
       vweave_rmarkdown(...)
     } else {
-      (if (is.na(Sys.getenv('CI', NA))) message else stop2)(
+      (if (is_R_CMD_check()) message else stop2)(
         'Pandoc is required to build R Markdown vignettes but not available. ',
         'Please make sure it is installed.'
       )