16 lines
654 B
Rust
16 lines
654 B
Rust
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use anyhow::{Context, Result};
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use std::fs;
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use std::path::Path;
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/// Acts the same as [`reflink::reflink_or_copy()`], but it removes existing files first. This works
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/// around a limitation of macOS that the reflink crate also applies to other platforms to stay
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/// consistent. See the [`reflink`] crate documentation or #26 for more information.
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pub fn reflink<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<Option<u64>> {
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let to = to.as_ref();
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if to.exists() {
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fs::remove_file(to).context("Could not remove file before reflinking")?;
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}
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reflink::reflink_or_copy(from, to).context("Could not reflink or copy file")
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}
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