aur_fetch/
error.rs

1use std::error;
2use std::fmt::{self, Display, Formatter};
3use std::io;
4use std::path::PathBuf;
5
6/// Info for a command that exited non 0.
7#[derive(Debug, Clone)]
8pub struct CommandFailed {
9    /// The current working directory of the command ran.
10    pub dir: PathBuf,
11    /// The command that was ran.
12    pub command: PathBuf,
13    /// Args passed to the command that was ran.
14    pub args: Vec<String>,
15    /// The stderr from the command ran.
16    pub stderr: Option<String>,
17}
18
19impl Display for CommandFailed {
20    fn fmt(&self, fmt: &mut Formatter) -> Result<(), fmt::Error> {
21        write!(
22            fmt,
23            "command failed: {}: {}",
24            self.dir.display(),
25            self.command.display()
26        )?;
27        for arg in &self.args {
28            write!(fmt, " {}", arg)?;
29        }
30        if let Some(stderr) = &self.stderr {
31            write!(fmt, ":\n    {}", &stderr.trim().replace('\n', "\n    "))
32        } else {
33            Ok(())
34        }
35    }
36}
37
38/// The error type for this crate.
39#[derive(Debug)]
40pub enum Error {
41    /// A command exited with non 0.
42    CommandFailed(CommandFailed),
43    /// An io error occurred.
44    Io(io::Error),
45}
46
47impl Display for Error {
48    fn fmt(&self, fmt: &mut Formatter) -> Result<(), fmt::Error> {
49        use Error::*;
50
51        match self {
52            CommandFailed(e) => e.fmt(fmt),
53            Io(e) => e.fmt(fmt),
54        }
55    }
56}
57
58impl error::Error for Error {
59    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
60        use Error::*;
61
62        match self {
63            Io(e) => e.source(),
64            _ => None,
65        }
66    }
67}
68
69impl From<io::Error> for Error {
70    fn from(e: io::Error) -> Self {
71        Error::Io(e)
72    }
73}
aur_fetch/error.rs

aur_fetch/
error.rs
