35 lines
849 B
Rust
35 lines
849 B
Rust
use std::mem::ManuallyDrop;
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use std::path::Path;
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use tempfile::TempDir;
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/// This is used to avoid TempDir being dropped on error paths unintentionally.
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#[derive(Debug)]
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pub struct MaybeTempDir {
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dir: ManuallyDrop<TempDir>,
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// Whether the TempDir should be deleted on drop.
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keep: bool,
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}
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impl Drop for MaybeTempDir {
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fn drop(&mut self) {
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// Safety: We are in the destructor, and no further access will
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// occur.
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let dir = unsafe { ManuallyDrop::take(&mut self.dir) };
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if self.keep {
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dir.into_path();
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}
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}
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}
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impl AsRef<Path> for MaybeTempDir {
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fn as_ref(&self) -> &Path {
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self.dir.path()
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}
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}
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impl MaybeTempDir {
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pub fn new(dir: TempDir, keep_on_drop: bool) -> MaybeTempDir {
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MaybeTempDir { dir: ManuallyDrop::new(dir), keep: keep_on_drop }
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}
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}
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