Use local_reproducible_output() in includeRmd (#1431)

Fixes #130

NEWS.md

@@ -1,5 +1,8 @@
 # roxygen2 (development version)
 
+* `@includeRmd` calls `local_reproducible_output()` to make code run in
+  included `.Rmd`s more consistent with other sources (#1431).
+
 # roxygen2 7.2.1
 
 ## Tags

R/rd-include-rmd.R

@@ -49,6 +49,7 @@ roxy_tag_rd.roxy_tag_includeRmd <- function(x, base_path, env) {
   )
   cat(txt, file = rmd_path)
 
+  local_reproducible_output()
   tryCatch(
     rmarkdown::render(
       rmd_path,

tests/testthat/test-rd-include-rmd.R

@@ -282,3 +282,18 @@ test_that("useful warnings", {
     transform = function(x) gsub("/[a-zA-Z0-9_/]+", "<temp-path>", x)
   )
 })
+
+test_that("sets width", {
+  skip_if_not(rmarkdown::pandoc_available("2.17"))
+
+  local_options(width = 123)
+  temp_rd <- withr::local_tempfile(lines = "`r getOption('width')`")
+
+  rox <- sprintf("
+    #' Title
+    #' @includeRmd %s
+    #' @name foobar
+    NULL", temp_rd)
+  out <- roc_proc_text(rd_roclet(), rox)[[1]]
+  expect_equal(out$get_value("details"), "80")
+})