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use crate::delta::{DiffType, Source, State, StateMachine};
impl<'a> StateMachine<'a> {
#[inline]
fn test_diff_file_missing(&self) -> bool {
self.source == Source::DiffUnified && self.line.starts_with("Only in ")
}
#[inline]
fn test_diff_is_binary(&self) -> bool {
self.line.starts_with("Binary files ")
}
pub fn handle_diff_header_misc_line(&mut self) -> std::io::Result<bool> {
let is_binary: bool = self.test_diff_is_binary();
let file_missing: bool = self.test_diff_file_missing();
if !file_missing && !is_binary {
return Ok(false);
}
if is_binary {
match (self.minus_file.as_str(), self.plus_file.as_str()) {
("", "") => {
return self.handle_additional_cases(match self.state {
State::DiffHeader(_) => self.state.clone(),
_ => State::DiffHeader(DiffType::Unified),
});
}
("/dev/null", _) => self.plus_file.push_str(" (binary file)"),
(_, "/dev/null") => self.minus_file.push_str(" (binary file)"),
(_, _) => (),
};
return Ok(true);
}
self.handle_additional_cases(match self.state {
State::DiffHeader(_) => self.state.clone(),
_ => State::DiffHeader(DiffType::Unified),
})
}
}
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