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Mix compiler and runtime helpers for Rustler.
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lib/compiler/rustup.ex
defmodule Rustler.Compiler.Rustup do
def rustup_binary, do: System.get_env("RUSTUP_BINARY") || "rustup"
def version do
multirust_exec = System.find_executable(rustup_binary)
if multirust_exec == nil do
:none
else
{version, 0} = System.cmd(rustup_binary, ["--version"])
{:ok, version}
end
end
def version_installed?(version) do
{_resp, return} = System.cmd(rustup_binary, ["run", version, "rustc", "--version"])
case return do
0 -> true
_ -> false
end
end
#def rust_versions do
# {versions_raw, 0} = System.cmd("rustup", ["list-toolchains"])
# versions_raw
# |> String.strip(?\n)
# |> String.split("\n")
#end
def install_toolchain(version) do
{_resp, 0} = System.cmd(rustup_binary, ["install", version],
into: IO.stream(:stdio, :line))
end
def compile_with(path, version, args \\ [], env \\ [], into \\ "") do
System.cmd(rustup_binary, ["run", version, "cargo", "build" | args],
cd: path, into: into, env: env)
end
end