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cacache-rs
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feat(read): added has_content()

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Kat Marchán 2019-05-22 22:03:59 -07:00
parent 70cf52e136
commit bff95f20ec
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1 changed files with 8 additions and 0 deletions
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8
src/content/read.rs
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@ -19,3 +19,11 @@ pub fn read_to_string(cache: &Path, sri: &Integrity) -> io::Result<String> {
pub fn copy(cache: &Path, sri: &Integrity, to: &Path) -> io::Result<u64> {
fs::copy(content_path(&cache, &sri), to)
}
pub fn has_content(cache: &Path, sri: &Integrity) -> Option<Integrity> {
if content_path(&cache, &sri).exists() {
Some(sri.clone())
} else {
None
}
}