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//! Tools for working with Cargo.
use std::ffi::OsStr;
use std::path::{Path, PathBuf};
use std::process::{Command, Stdio};
use anyhow::{bail, Result};
use serde::{Deserialize, Serialize};
use crate::windows_safe_path;
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct Artifact {
pub executable: PathBuf,
}
/// Execute cargo with the given arguments and from the specified directory.
pub fn run(args: &[String], cwd: &Path) -> Result<()> {
run_with_env::<[(&str, &str); 0], _, _>(args, cwd, [], false)?;
Ok(())
}
/// Execute cargo with the given arguments and from the specified directory.
pub fn run_with_env<I, K, V>(args: &[String], cwd: &Path, envs: I, capture: bool) -> Result<String>
where
I: IntoIterator<Item = (K, V)> + core::fmt::Debug,
K: AsRef<OsStr>,
V: AsRef<OsStr>,
{
if !cwd.is_dir() {
bail!("The `cwd` argument MUST be a directory");
}
// Make sure to not use a UNC as CWD!
// That would make `OUT_DIR` a UNC which will trigger things like the one fixed in https://github.com/dtolnay/rustversion/pull/51
// While it's fixed in `rustversion` it's not fixed for other crates we are
// using now or in future!
let cwd = windows_safe_path(cwd);
println!(
"Running `cargo {}` in {:?} - Environment {:?}",
args.join(" "),
cwd,
envs
);
let mut command = Command::new(get_cargo());
command
.args(args)
.current_dir(cwd)
.envs(envs)
.stdout(if capture { Stdio::piped() } else { Stdio::inherit() })
.stderr(if capture { Stdio::piped() } else { Stdio::inherit() });
if args.iter().any(|a| a.starts_with('+')) {
// Make sure the right cargo runs
command.env_remove("CARGO");
}
let output = command.stdin(Stdio::inherit()).output()?;
// Make sure that we return an appropriate exit code here, as Github Actions
// requires this in order to function correctly:
if output.status.success() {
Ok(String::from_utf8_lossy(&output.stdout).to_string())
} else {
bail!("Failed to execute cargo subcommand `cargo {}`", args.join(" "),)
}
}
fn get_cargo() -> String {
// On Windows when executed via `cargo run` (e.g. via the xtask alias) the
// `cargo` on the search path is NOT the cargo-wrapper but the `cargo` from the
// toolchain - that one doesn't understand `+toolchain`
#[cfg(target_os = "windows")]
let cargo = if let Ok(cargo) = std::env::var("CARGO_HOME") {
format!("{cargo}/bin/cargo")
} else {
String::from("cargo")
};
#[cfg(not(target_os = "windows"))]
let cargo = String::from("cargo");
cargo
}
#[derive(Debug, Default)]
pub struct CargoArgsBuilder {
toolchain: Option<String>,
subcommand: String,
target: Option<String>,
features: Vec<String>,
args: Vec<String>,
}
impl CargoArgsBuilder {
#[must_use]
pub fn new() -> Self {
Self {
toolchain: None,
subcommand: String::new(),
target: None,
features: vec![],
args: vec![],
}
}
#[must_use]
pub fn toolchain<S>(mut self, toolchain: S) -> Self
where
S: Into<String>,
{
self.toolchain = Some(toolchain.into());
self
}
#[must_use]
pub fn subcommand<S>(mut self, subcommand: S) -> Self
where
S: Into<String>,
{
self.subcommand = subcommand.into();
self
}
#[must_use]
pub fn target<S>(mut self, target: S) -> Self
where
S: Into<String>,
{
self.target = Some(target.into());
self
}
#[must_use]
pub fn features(mut self, features: &[String]) -> Self {
self.features = features.to_vec();
self
}
#[must_use]
pub fn artifact_dir<S>(mut self, artifact_dir: S) -> Self
where
S: Into<String>,
{
self.args.push(format!("--artifact-dir={}", artifact_dir.into()));
self
}
#[must_use]
pub fn arg<S>(mut self, arg: S) -> Self
where
S: Into<String>,
{
self.args.push(arg.into());
self
}
#[must_use]
pub fn build(&self) -> Vec<String> {
let mut args = vec![];
if let Some(ref toolchain) = self.toolchain {
args.push(format!("+{toolchain}"));
}
args.push(self.subcommand.clone());
if let Some(ref target) = self.target {
args.push(format!("--target={target}"));
}
if !self.features.is_empty() {
args.push(format!("--features={}", self.features.join(",")));
}
for arg in self.args.iter() {
args.push(arg.clone());
}
args
}
}
#[derive(Debug, Default)]
pub struct CargoBatchBuilder {
commands: Vec<Vec<String>>,
}
impl CargoBatchBuilder {
#[must_use]
pub fn new() -> Self {
Self { commands: vec![] }
}
#[must_use]
pub fn command(mut self, args: Vec<String>) -> Self {
self.commands.push(args);
self
}
pub fn add_command(&mut self, args: Vec<String>) -> &mut Self {
self.commands.push(args);
self
}
#[must_use]
pub fn build(&self) -> Vec<String> {
let mut args = vec!["batch".to_string()];
for command in &self.commands {
args.push("---".to_string());
args.extend(command.clone());
}
args
}
}
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