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use std::process::{Command, Output, Stdio};
use anyhow::{Context, Result};
use crate::project_root;
pub struct Cmd<'a> {
pub unix: &'a str,
pub windows: &'a str,
pub work_dir: &'a str,
}
impl Cmd<'_> {
pub fn run(self) -> Result<()> {
if cfg!(windows) {
run(self.windows, self.work_dir)
} else {
run(self.unix, self.work_dir)
}
}
pub fn run_with_output(self) -> Result<String> {
if cfg!(windows) {
run_with_output(self.windows, self.work_dir)
} else {
run_with_output(self.unix, self.work_dir)
}
}
}
pub fn run(cmdline: &str, dir: &str) -> Result<()> {
do_run(cmdline, dir, &mut |c| {
c.stdout(Stdio::inherit());
})
.map(|_| ())
}
pub fn run_with_output(cmdline: &str, dir: &str) -> Result<String> {
let output = do_run(cmdline, dir, &mut |_| {})?;
let stdout = String::from_utf8(output.stdout)?;
Ok(stdout)
}
fn do_run(cmdline: &str, dir: &str, f: &mut dyn FnMut(&mut Command)) -> Result<Output> {
eprintln!("\nwill run: {}", cmdline);
let proj_dir = project_root().join(dir);
let mut args = cmdline.split_whitespace();
let exec = args.next().unwrap();
let mut cmd = Command::new(exec);
f(cmd.args(args).current_dir(proj_dir).stderr(Stdio::inherit()));
let output = cmd.output().with_context(|| format!("running `{}`", cmdline))?;
if !output.status.success() {
anyhow::bail!("`{}` exited with {}", cmdline, output.status);
}
Ok(output)
}
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