cargo-xbuild 0.6.6

Automatically cross-compiles the sysroot crates core, compiler_builtins, and alloc.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

use std::process::{Command, ExitStatus};

use anyhow::{anyhow, Context, Result};

pub trait CommandExt {
    fn run(&mut self, verbose: bool) -> Result<()>;
    fn run_and_get_status(&mut self, verbose: bool) -> Result<ExitStatus>;
    fn run_and_get_stdout(&mut self, verbose: bool) -> Result<String>;
}

impl CommandExt for Command {
    /// Runs the command to completion
    fn run(&mut self, verbose: bool) -> Result<()> {
        let status = self.run_and_get_status(verbose)?;

        if status.success() {
            Ok(())
        } else {
            Err(anyhow!(
                "`{:?}` failed with exit code: {:?}",
                self,
                status.code()
            ))
        }
    }

    /// Runs the command to completion
    fn run_and_get_status(&mut self, verbose: bool) -> Result<ExitStatus> {
        if verbose {
            eprintln!("+ {:?}", self);
        }

        self.status()
            .with_context(|| format!("couldn't execute `{:?}`", self))
    }

    /// Runs the command to completion and returns its stdout
    fn run_and_get_stdout(&mut self, verbose: bool) -> Result<String> {
        if verbose {
            eprintln!("+ {:?}", self);
        }

        let out = self
            .output()
            .with_context(|| format!("couldn't execute `{:?}`", self))?;

        if out.status.success() {
            Ok(String::from_utf8(out.stdout)
                .with_context(|| format!("`{:?}` output was not UTF-8", self))?)
        } else {
            Err(anyhow!(
                "`{:?}` failed with exit code: {:?}",
                self,
                out.status.code()
            ))?
        }
    }
}