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chown: changing group to users group #12783

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chown: changing group to users group #12783

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c54f978
chown: changing group to users group #12751
max-amb Jun 11, 2026
def806f
Removed accidental import
max-amb Jun 11, 2026
947bb87
Merge branch 'main' into chown_group
max-amb Jun 13, 2026
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9 changes: 8 additions & 1 deletion src/uu/chown/src/chown.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -194,6 +194,7 @@ fn parse_gid(group: &str, spec: &str) -> UResult<Option<u32>> {
/// * `"owner:group"`,
/// * `"owner"`,
/// * `":group"`,
/// * `"owner:"`,
///
/// and the owner or group can be specified either as an ID or a
/// name. The `sep` argument specifies which character to use as a
Expand Down Expand Up @@ -230,7 +231,13 @@ fn parse_spec(spec: &str, sep: char) -> UResult<(Option<u32>, Option<u32>)> {
));
}

Ok((uid, gid))
if gid.is_none() && !user.is_empty() && spec.ends_with(':') {
// we have input of the form user: and should change the group to the users login group as
// per GNU
Ok((uid, Some(entries::usr2gid(user)?)))
} else {
Ok((uid, gid))
}
}

#[cfg(test)]
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