mirror of https://github.com/zkat/cacache-rs.git
39 lines
997 B
Rust
39 lines
997 B
Rust
use ssri::Integrity;
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use std::path::{Path, PathBuf};
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const CONTENT_VERSION: &str = "2";
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// Current format of content file path:
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//
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// sha512-BaSE64Hex= ->
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// ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee
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//
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pub fn content_path(cache: &Path, sri: &Integrity) -> PathBuf {
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let mut path = PathBuf::new();
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let (algo, hex) = sri.to_hex();
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path.push(cache);
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path.push(format!("content-v{}", CONTENT_VERSION));
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path.push(algo.to_string());
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path.push(&hex[0..2]);
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path.push(&hex[2..4]);
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path.push(&hex[4..]);
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path
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}
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#[cfg(test)]
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mod tests {
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use super::content_path;
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use ssri::Integrity;
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use std::path::Path;
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#[test]
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fn basic_test() {
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let sri = Integrity::from(b"hello world");
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let cpath = content_path(Path::new("~/.my-cache"), &sri);
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assert_eq!(
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cpath.to_str().unwrap(),
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"~/.my-cache/content-v2/sha256/b9/4d/27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
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);
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}
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}
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