Add function to delete a reference header entry

This commit is contained in:
Matthias Beyer 2018-02-18 18:00:41 +01:00
parent fd6a7f877a
commit 1153fb180b

View file

@ -28,8 +28,9 @@ use libimagentryutil::isa::IsKindHeaderPathProvider;
use libimagstore::store::Entry;
use toml_query::read::TomlValueReadExt;
use refstore::UniqueRefPathGenerator;
use toml_query::delete::TomlValueDeleteExt;
use refstore::UniqueRefPathGenerator;
use error::Result;
use error::RefError as RE;
use error::RefErrorKind as REK;
@ -52,6 +53,8 @@ pub trait Ref {
/// Check whether the referenced file still matches its hash
fn hash_valid<RPG: UniqueRefPathGenerator>(&self) -> RResult<bool, RPG::Error>;
fn remove_ref(&mut self) -> Result<()>;
/// Alias for `r.fs_link_exists() && r.deref().is_file()`
fn is_ref_to_file(&self) -> Result<bool> {
self.get_path().map(|p| p.is_file())
@ -104,5 +107,13 @@ impl Ref for Entry {
.and_then(|h| Ok(h == self.get_hash()?))
}
fn remove_ref(&mut self) -> Result<()> {
let hdr = self.get_header_mut();
let _ = hdr.delete("ref.hash")?;
let _ = hdr.delete("ref.path")?;
let _ = hdr.delete("ref")?;
Ok(())
}
}