library(R.cache)
findOSCachePath <- R.cache:::findOSCachePath
getOS <- R.cache:::getOS
message("findOSCachePath() ...")
oses <- getOS()
if (isTRUE(as.logical(Sys.getenv("R_CHECK_FULL", "FALSE")))) {
oses <- c("unix", "windows", "macos")
}
for (os in oses) {
message("Operating system: ", sQuote(os))
message("- getOS(): ", sQuote(getOS()))
## Fake the OS?
fake_os <- (os != getOS())
if (fake_os) {
if (os == "windows") {
Sys.setenv(LOCALAPPDATA = normalizePath("~/AppData/Local", mustWork = FALSE))
}
}
path <- findOSCachePath(os)
message("- findOSCachePath(): ", sQuote(path))
if (getRversion() >= "4.0.0") {
R_user_dir <- tools::R_user_dir
path_R <- local({
if (fake_os) {
if (os == "macos") {
tracer <- quote(Sys.info <- function() c(sysname = "Darwin"))
} else {
tracer <- quote(.Platform <- list(OS.type = os))
}
trace(R_user_dir, tracer = tracer)
on.exit(untrace(R_user_dir))
}
R_user_dir("R.cache", which = "cache")
})
message("- R_user_dir('R.cache', which = 'cache'): ", sQuote(path_R))
path_R <- normalizePath(path_R, mustWork = FALSE)
message("- Normalized version: ", sQuote(path_R))
res <- identical(path, path_R)
message("- Identical to findOSCachePath(): ", res)
if (!res) {
message("- findOSCachePath() differ from R_user_dir(): ",
sQuote(path), " != ", sQuote(path_R))
}
}
} ## for (os ...)
message("findOSCachePath() ... done")
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