karldw commented on code in PR #12973:
URL: https://github.com/apache/arrow/pull/12973#discussion_r861386651
##########
r/tools/nixlibs.R:
##########
@@ -462,27 +471,41 @@ turn_off_all_optional_features <- function(env_var_list) {
replace(env_var_list, names(turn_off), turn_off)
}
+get_component_names <- function() {
+ if (!isTRUE(Sys.which("bash") != "")) {
+ stop("nixlibs.R requires bash to be installed and available in your PATH")
+ }
+ deps_bash <- normalizePath("tools/download_dependencies_R.sh", mustWork =
TRUE)
Review Comment:
Good point -- I was using it as a check that the file exists, but bash will
error if it doesn't.
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