rusty_ci/helper/
cmd.rs

1use std::fmt::Display;
2use std::process::Command;
3use std::str::from_utf8;
4
5/// This struct is basically identical to the std::process::Command,
6/// but when it is executed, it returns the stdout of the process as a string.
7#[derive(Clone, PartialEq, Debug)]
8pub struct Cmd {
9    pub program: String,
10    pub args: Vec<String>,
11}
12
13impl Cmd {
14    /// Create a command that will call `program`.
15    /// For example, if you want to run the command
16    /// `echo 'hello world!'`, you would write:
17    /// Cmd::new("echo").arg("'hello world!'").run();
18    pub fn new<S: Display>(program: S) -> Self {
19        Self {
20            program: program.to_string(),
21            args: vec![],
22        }
23    }
24
25    /// Give another arg to the program we're calling
26    pub fn arg<S: Display>(mut self, s: S) -> Self {
27        self.args.push(s.to_string());
28        self
29    }
30
31    /// Execute the shell command we've defined
32    pub fn run(&self) -> String {
33        match Command::new(&self.program).args(&self.args).output() {
34            // If Ok, return stdout as String
35            Ok(o) => match from_utf8(&o.stdout) {
36                Ok(s) => s.to_string(),
37                Err(_) => String::from(""),
38            },
39            Err(_) => String::from(""),
40        }
41    }
42}
rusty_ci/helper/cmd.rs

rusty_ci/helper/
cmd.rs
