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find: accept egrep and posix-egrep regex types to match GNU #848

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find: accept egrep and posix-egrep regex types to match GNU #848

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15 changes: 15 additions & 0 deletions src/find/matchers/regex.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,8 @@ impl FromStr for RegexType {
"posix-extended" => Ok(Self::PosixExtended),
// ed and sed are the same as posix-basic
"ed" | "sed" => Ok(Self::PosixBasic),
// egrep and posix-egrep are the same as posix-extended
"egrep" | "posix-egrep" => Ok(Self::PosixExtended),
_ => Err(ParseRegexTypeError(s.to_owned())),
}
}
Expand Down Expand Up @@ -222,4 +224,17 @@ mod tests {
let deps = FakeDependencies::new();
assert!(!matcher.matches(&abbbc, &mut deps.new_matcher_io()));
}

#[test]
fn egrep_aliases_map_to_posix_extended() {
// GNU accepts egrep and posix-egrep as names for the extended syntax.
assert_eq!(
"egrep".parse::<RegexType>().unwrap(),
RegexType::PosixExtended
);
assert_eq!(
"posix-egrep".parse::<RegexType>().unwrap(),
RegexType::PosixExtended
);
}
}
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