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Add function to delete a reference header entry

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Matthias Beyer 2018-02-18 18:00:41 +01:00
parent fd6a7f877a
commit 1153fb180b
1 changed files with 12 additions and 1 deletions
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13
lib/entry/libimagentryref/src/reference.rs
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@ -28,8 +28,9 @@ use libimagentryutil::isa::IsKindHeaderPathProvider;
use libimagstore::store::Entry; use libimagstore::store::Entry;
use toml_query::read::TomlValueReadExt; use toml_query::read::TomlValueReadExt;
use refstore::UniqueRefPathGenerator; use toml_query::delete::TomlValueDeleteExt;
use refstore::UniqueRefPathGenerator;
use error::Result; use error::Result;
use error::RefError as RE; use error::RefError as RE;
use error::RefErrorKind as REK; use error::RefErrorKind as REK;
@ -52,6 +53,8 @@ pub trait Ref {
/// Check whether the referenced file still matches its hash /// Check whether the referenced file still matches its hash
fn hash_valid<RPG: UniqueRefPathGenerator>(&self) -> RResult<bool, RPG::Error>; 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()` /// Alias for `r.fs_link_exists() && r.deref().is_file()`
fn is_ref_to_file(&self) -> Result<bool> { fn is_ref_to_file(&self) -> Result<bool> {
self.get_path().map(|p| p.is_file()) self.get_path().map(|p| p.is_file())
@ -104,5 +107,13 @@ impl Ref for Entry {
.and_then(|h| Ok(h == self.get_hash()?)) .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(())
}
} }