multiversx_sc_meta_lib/tools/
build_target.rs

1use colored::Colorize;
2use rustc_version::{version_meta, Version};
3use std::{
4    env,
5    ffi::OsString,
6    process::{exit, Command},
7};
8
9use crate::{
10    contract::sc_config::execute_command::execute_command, print_util, tools::RustcVersion,
11};
12
13pub const WASM32_TARGET: &str = "wasm32-unknown-unknown";
14pub const WASM32V1_TARGET: &str = "wasm32v1-none";
15const FIRST_RUSTC_VERSION_WITH_WASM32V1_TARGET: Version = Version::new(1, 85, 0);
16
17/// Gets the rustc wasm32 target name.
18///
19/// It is currently "wasm32v1-none", except for before Rust 1.85, where we use "wasm32-unknown-unknown".
20pub fn default_target() -> &'static str {
21    if is_wasm32v1_available() {
22        WASM32V1_TARGET
23    } else {
24        WASM32_TARGET
25    }
26}
27
28pub fn is_wasm32v1_available() -> bool {
29    let Ok(version) = version_meta() else {
30        return false;
31    };
32
33    version.semver >= FIRST_RUSTC_VERSION_WITH_WASM32V1_TARGET
34}
35
36fn rustup_command() -> Command {
37    let rustup = env::var_os("RUSTUP").unwrap_or_else(|| OsString::from("rustup"));
38    Command::new(rustup)
39}
40
41pub fn is_target_installed(rustc_version: &RustcVersion, target_name: &str) -> bool {
42    let mut cmd = rustup_command();
43    cmd.arg(rustc_version.to_cli_arg())
44        .arg("target")
45        .arg("list")
46        .arg("--installed");
47
48    print_util::print_rustup_check_target(rustc_version, target_name, &cmd);
49
50    let output_rustup_command = execute_command(&mut cmd, "rustup");
51    let str_output_rustup = match output_rustup_command {
52        Ok(output) => output,
53        Err(err) => {
54            println!("\n{}", err.to_string().red().bold());
55            exit(1);
56        }
57    };
58
59    let installed = str_output_rustup.contains(target_name);
60
61    print_util::print_rustup_check_target_result(installed);
62
63    installed
64}
65
66pub fn install_target(rustc_version: Option<&RustcVersion>, target_name: &str) {
67    let mut cmd = rustup_command();
68    if let Some(rustc_version) = rustc_version {
69        cmd.arg(rustc_version.to_cli_arg());
70    }
71    cmd.arg("target").arg("add").arg(target_name);
72
73    print_util::print_rustup_install_target(target_name, &cmd);
74
75    let exit_status = cmd.status().expect("failed to execute `rustup`");
76
77    assert!(
78        exit_status.success(),
79        "failed to install {target_name} target"
80    );
81
82    print_util::print_rustup_install_target_success(target_name);
83}
multiversx_sc_meta_lib/tools/build_target.rs

multiversx_sc_meta_lib/tools/
build_target.rs
