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use crate::poem::Verse;
use std::env;
/// export
///
/// The builtin `export` command. Used to set global environment variables for
/// the current instance of the shell.
///
/// # Aliases
/// * export
/// * set
///
/// # Shell Examples
/// ```sh
/// export FOO=BAR
/// ```
pub fn incant(verse: &Verse) -> i32 {
match verse.clause() {
Some(clause) => {
for stanza in clause {
let (key, val) = match stanza.split_once("=") {
Some((key, val)) => (key, val),
None => continue,
};
env::set_var(key, val);
}
}
None => {
for (key, val) in env::vars() {
println!("{}={}", key, val);
}
}
}
0
}
/// unset
///
/// The builtin `unset` command. Used to remove global environment variables
/// from the current instance of the shell, since `export` may be called with
/// an empty string as the value.
///
/// # Shell Examples
/// ```sh
/// unset FOO
/// ```
pub fn unincant(verse: &Verse) -> i32 {
match verse.clause() {
Some(clause) => {
for stanza in clause {
env::remove_var(stanza);
}
}
None => {
eprintln!("unset: not enough arguments");
return 1;
}
}
0
}
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