transform_tempdir <- function(x) {
  x <- sub(tempdir(), "<tempdir>", x, fixed = TRUE)
  x <- sub(normalizePath(tempdir()), "<tempdir>", x, fixed = TRUE)
  x <- sub(
    normalizePath(tempdir(), winslash = "/"),
    "<tempdir>",
    x,
    fixed = TRUE
  )
  x <- sub("\\R\\", "/R/", x, fixed = TRUE)
  x <- sub("[\\\\/]file[a-zA-Z0-9]+", "/<tempfile>", x)
  x <- sub("[A-Z]:.*Rtmp[a-zA-Z0-9]+[\\\\/]", "<tempdir>/", x)
  x <- sub("\\", "/", x, fixed = TRUE)
  x
}