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fix(blame): avoid underflow when blaming an empty file #2969

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fix(blame): avoid underflow when blaming an empty file #2969

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9 changes: 7 additions & 2 deletions src/popups/blame_file.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -326,7 +326,10 @@ impl Component for BlameFilePopup {
.as_ref()
.and_then(|blame| blame.result());
if let Some(blame_result) = maybe_blame_result {
let max_line = blame_result.lines().len() - 1;
let max_line = blame_result
.lines()
.len()
.saturating_sub(1);
self.queue.push(
InternalEvent::OpenGotoLinePopup(
max_line,
Expand Down Expand Up @@ -703,7 +706,9 @@ impl BlameFilePopup {
self.blame
.as_ref()
.and_then(|blame| blame.result())
.map_or(0, |file_blame| file_blame.lines().len() - 1)
.map_or(0, |file_blame| {
file_blame.lines().len().saturating_sub(1)
})
}

fn get_line_number_width(&self) -> usize {
Expand Down