cargo-rail 0.28.1

Cargo-native Rust workspace engine for affected CI, Rust source-surface analysis, compiler reuse, dependency coherence, exact-SHA releases, and split/sync
Documentation 
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//! Shared subprocess helpers for release flows.
//!
//! Centralizes process execution for cargo/gh/rustup checks and actions so
//! release code paths behave consistently.

use crate::error::{RailError, RailResult};
use std::path::Path;
use std::process::{Command, Output};

fn format_command(program: &str, args: &[&str]) -> String {
    if args.is_empty() {
        program.to_string()
    } else {
        format!("{} {}", program, args.join(" "))
    }
}

/// Run a command and map spawn failures into `RailError`.
pub(crate) fn run(program: &str, args: &[&str], current_dir: Option<&Path>) -> RailResult<Output> {
    let mut cmd = Command::new(program);
    if let Some(dir) = current_dir {
        cmd.current_dir(dir);
    }
    cmd.args(args)
        .output()
        .map_err(|e| RailError::message(format!("Failed to run {}: {}", format_command(program, args), e)))
}

/// Return true if command invocation succeeds with a zero exit status.
pub(crate) fn succeeds(program: &str, args: &[&str], current_dir: Option<&Path>) -> bool {
    run(program, args, current_dir)
        .map(|o| o.status.success())
        .unwrap_or(false)
}