Nothing
renv_envvars_list <- function() {
c(
"R_PROFILE", "R_PROFILE_USER",
"R_ENVIRON", "R_ENVIRON_USER",
"R_LIBS_USER", "R_LIBS_SITE", "R_LIBS"
)
}
renv_envvars_save <- function() {
# save the common set of environment variables
keys <- renv_envvars_list()
vals <- Sys.getenv(keys, unset = "<NA>")
# check for defaults that have already been set
defkeys <- paste("RENV_DEFAULT", keys, sep = "_")
defvals <- Sys.getenv(defkeys, unset = NA)
if (any(!is.na(defvals)))
return(FALSE)
# prepare defaults
env <- vals
names(env) <- defkeys
do.call(Sys.setenv, as.list(env))
TRUE
}
renv_envvars_restore <- function() {
# read defaults
keys <- renv_envvars_list()
defkeys <- paste("RENV_DEFAULT", renv_envvars_list(), sep = "_")
defvals <- Sys.getenv(defkeys, unset = "<NA>")
# remove previously-unset environment variables
missing <- defvals == "<NA>"
Sys.unsetenv(keys[missing])
# restore old values for envvars
existing <- as.list(defvals[!missing])
if (length(existing)) {
names(existing) <- sub("^RENV_DEFAULT_", "", names(existing))
do.call(Sys.setenv, existing)
}
# remove saved RENV_DEFAULT values
Sys.unsetenv(defkeys)
TRUE
}
renv_envvars_init <- function() {
renv_envvars_normalize()
}
renv_envvars_normalize <- function() {
Sys.setenv(R_LIBS_SITE = .expand_R_libs_env_var(Sys.getenv("R_LIBS_SITE")))
Sys.setenv(R_LIBS_USER = .expand_R_libs_env_var(Sys.getenv("R_LIBS_USER")))
keys <- c(
"RENV_PATHS_ROOT",
"RENV_PATHS_LIBRARY",
"RENV_PATHS_LIBRARY_ROOT",
"RENV_PATHS_LIBRARY_STAGING",
"RENV_PATHS_LOCAL",
"RENV_PATHS_CELLAR",
"RENV_PATHS_SOURCE",
"RENV_PATHS_BINARY",
"RENV_PATHS_CACHE",
"RENV_PATHS_RTOOLS",
"RENV_PATHS_EXTSOFT",
"RENV_PATHS_MRAN"
)
envvars <- as.list(keep(Sys.getenv(), keys))
if (empty(envvars))
return()
args <- lapply(envvars, renv_path_normalize)
do.call(Sys.setenv, args)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.