Nothing
#' @include util.R
ini_cache <- new.env(parent = emptyenv())
os_env_cache <- new.env(parent = emptyenv())
set_os_env_cache <- function() {
env_vars <- system("printenv", intern = TRUE)
# only cache AWS_* environment variables to avoid caching sensitive information
# that may stored as environment variables
aws_env_vars <- env_vars[grepl("^AWS_", env_vars)]
# exit if no environment variables can be found
if (length(aws_env_vars) == 0) {
return()
}
aws_env_vars <- trimws(parse_in_half(aws_env_vars))
for (i in seq_len(nrow(aws_env_vars))) {
os_env_cache[[aws_env_vars[i, 1]]] <- aws_env_vars[i, 2]
}
}
#' @title Clear down paws cache environments
#' @description Clears down the cache environments.
#' * `ini_cache`: an environment that stores the results from `read_ini`, mainly used for storing AWS config files.
#' * `os_env_cache`: an environment that stores environmental variables from Unix Operating Systems.
#' @export
paws_reset_cache <- function() {
rm(list = names(ini_cache), envir = ini_cache)
if (.Platform$OS.type == "unix") {
rm(list = names(os_env_cache), envir = os_env_cache)
set_os_env_cache()
}
}
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