Script for post-processing

NEWS.md

@@ -4,6 +4,8 @@
 
 - The "Filename" field in the "New Post" addin in RStudio will use the "Slug" value (if provided) to create the base filename (thanks, @maelle, #448).
 
+- For `blogdown::build_site(method = 'html', run_hugo =TRUE)`, if the R script `R/build2.R` exists, it will be executed after Hugo has built the site. This can be useful if you want to post-process the site (thanks, @chrisjake, #458).
+
 ## BUG FIXES
 
 - **blogdown** no longer renders `.Rmd` documents within a packrat / renv library folder, for blog posts whose associated R libraries are managed by these packages (thanks, @kevinushey, #451).

R/render.R

@@ -20,7 +20,9 @@
 #' command line \command{Rscript "R/build.R"}, which means it is executed in a
 #' separate R session. The value of the argument \code{local} is passed to the
 #' command line (you can retrieve the command-line arguments via
-#' \code{\link{commandArgs}(TRUE)}).
+#' \code{\link{commandArgs}(TRUE)}). For \code{method = "html"}, the R script
+#' \file{R/build2.R} (if exists) will be executed after Hugo has built the site.
+#' This can be useful if you want to post-process the site.
 #' @param local Whether to build the website locally to be served via
 #'   \code{\link{serve_site}()}.
 #' @param method Different methods to build a website (each with pros and cons).
@@ -46,6 +48,7 @@ build_site = function(
   }
   build_rmds(files)
   if (run_hugo) on.exit(hugo_build(local), add = TRUE)
+  on.exit(run_script('R/build2.R', as.character(local)), add = TRUE)
   invisible()
 }