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src/tools.rs: new helper to handle command_output (std::process::Output)

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This commit is contained in:
Dietmar Maurer
2020-05-27 06:52:21 +02:00
parent ed216fd773
commit 97fab7aa11
2 changed files with 27 additions and 17 deletions
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19
src/config/network/helper.rs
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@ -149,23 +149,8 @@ pub fn compute_file_diff(filename: &str, shadow: &str) -> Result<String, Error>
.output()
.map_err(|err| format_err!("failed to execute diff - {}", err))?;
if !output.status.success() {
match output.status.code() {
Some(code) => {
if code == 0 { return Ok(String::new()); }
if code != 1 {
let msg = String::from_utf8(output.stderr)
.map(|m| if m.is_empty() { String::from("no error message") } else { m })
.unwrap_or_else(|_| String::from("non utf8 error message (suppressed)"));
bail!("diff failed with status code: {} - {}", code, msg);
}
}
None => bail!("diff terminated by signal"),
}
}
let diff = String::from_utf8(output.stdout)?;
let diff = crate::tools::command_output(output)
.map_err(|err| format_err!("diff failed: {}", err))?;
Ok(diff)
}