Check which files are ignored and which will stay in your R package using .Rbuildignore

check_buildignore.R

check_buildignore <- function() {
  patterns <- readLines(".Rbuildignore")
  hits <- list()
  for (pat in patterns) {
    hit <- dir(
      full.names = FALSE, recursive = TRUE,
      all.files = TRUE, include.dirs = TRUE, no.. = TRUE
    )[grepl(
      pat,
      dir(
        full.names = FALSE, recursive = TRUE,
        all.files = TRUE, include.dirs = TRUE, no.. = TRUE
      )
    )]
    hits[[pat]] <- hit
  }
  root <- dir(
    pattern = ".*",
    full.names = FALSE, recursive = FALSE,
    all.files = TRUE, include.dirs = TRUE, no.. = TRUE
  )

  pass <- root[!(root %in% unique(unlist(hits)))]

  return(list(ignored = hits, pass = pass))
}