Just validate command is in PATH; forking a shell is wasteful

This commit is contained in:
Mark Felder 2021-01-14 16:58:18 -06:00
parent 5453038ce9
commit 8d6e9b25a4

View file

@ -30,7 +30,10 @@ def compile_dir(dir) when is_binary(dir) do
"""
@spec command_available?(String.t()) :: boolean()
def command_available?(command) do
match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
case :os.find_executable(String.to_charlist(command)) do
false -> false
_ -> true
end
end
@doc "creates the uniq temporary directory"