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Code Issues Activity

chown: clean up parse_spec

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This commit is contained in:
Jeong YunWon 2021-06-11 18:44:28 +09:00
parent e985131c83
commit 9e8be3093f
1 changed files with 30 additions and 33 deletions
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55
src/uu/chown/src/chown.rs
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@ -278,42 +278,25 @@ fn parse_spec(spec: &str) -> Result<(Option<u32>, Option<u32>), String> {
let usr_only = args.len() == 1 && !args[0].is_empty();
let grp_only = args.len() == 2 && args[0].is_empty();
let usr_grp = args.len() == 2 && !args[0].is_empty() && !args[1].is_empty();
let r = if usr_only {
(
let uid = if usr_only || usr_grp {
Some(
Passwd::locate(args[0])
.map_err(|_| format!("invalid user: ‘{}’", spec))?
.uid(),
),
None,
)
} else if grp_only {
(
None,
Some(
Group::locate(args[1])
.map_err(|_| format!("invalid group: ‘{}’", spec))?
.gid(),
),
)
} else if usr_grp {
(
Some(
Passwd::locate(args[0])
.map_err(|_| format!("invalid user: ‘{}’", spec))?
.uid(),
),
Some(
Group::locate(args[1])
.map_err(|_| format!("invalid group: ‘{}’", spec))?
.gid(),
),
)
} else {
(None, None)
None
};
Ok(r)
let gid = if grp_only || usr_grp {
Some(
Group::locate(args[1])
.map_err(|_| format!("invalid group: ‘{}’", spec))?
.gid(),
)
} else {
None
};
Ok((uid, gid))
}
enum IfFrom {
@ -502,3 +485,17 @@ impl Chowner {
}
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_parse_spec() {
assert_eq!(parse_spec(":"), Ok((None, None)));
assert!(parse_spec("::")
.err()
.unwrap()
.starts_with("invalid group: "));
}
}