github_actions/
file_command.rs

1use std::env;
2use std::fmt;
3use std::fs::OpenOptions;
4use std::io::{self, Write};
5
6#[derive(Debug)]
7pub enum FileCommandError {
8    VarError(env::VarError),
9    FileError(io::Error),
10}
11
12pub fn issue_file_command(env: &str, message: &str) -> Result<(), FileCommandError> {
13    let file = env::var(env).map_err(FileCommandError::VarError)?;
14
15    let mut file = OpenOptions::new()
16        .append(true)
17        .open(file)
18        .map_err(FileCommandError::FileError)?;
19
20    writeln!(file, "{}", message).map_err(FileCommandError::FileError)?;
21    Ok(())
22}
23
24pub fn prepare_key_value_message<K, V>(key: K, value: V, delimiter: &str) -> Result<String, String>
25where
26    K: AsRef<str>,
27    V: fmt::Display,
28{
29    let value = value.to_string();
30
31    if key.as_ref().contains(delimiter) {
32        return Err(format!(
33            "Unexpected input: key should not contain the delimiter \"{}\"",
34            delimiter
35        ));
36    }
37
38    if value.contains(delimiter) {
39        return Err(format!(
40            "Unexpected input: value should not contain the delimiter \"{}\"",
41            delimiter
42        ));
43    }
44
45    Ok(format!(
46        "{}<<{}{}{}{}{}",
47        key.as_ref(),
48        delimiter,
49        crate::EOL,
50        value,
51        crate::EOL,
52        delimiter
53    ))
54}
github_actions/file_command.rs

github_actions/
file_command.rs
