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cob: Don't panic on missing root 

This can happen if the change was not able to be loaded due to open file
limit issues for example.
This commit is contained in:
cloudhead 2024-01-17 13:27:31 +01:00
parent ccc675b304
commit 44fc11dff8
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1 changed files with 3 additions and 1 deletions
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4
radicle-cob/src/change_graph.rs
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@ -17,6 +17,8 @@ pub enum EvaluateError {
Init(Box<dyn std::error::Error + Sync + Send + 'static>), Init(Box<dyn std::error::Error + Sync + Send + 'static>),
#[error("invalid signature for entry '{0}'")] #[error("invalid signature for entry '{0}'")]
Signature(EntryId), Signature(EntryId),
#[error("root entry '{0}' missing from graph")]
MissingRoot(EntryId),
} }
/// The graph of changes for a particular collaborative object /// The graph of changes for a particular collaborative object
@ -100,7 +102,7 @@ impl ChangeGraph {
let root = self let root = self
.graph .graph
.get(&root) .get(&root)
.expect("ChangeGraph::evaluate: root must be part of change graph"); .ok_or(EvaluateError::MissingRoot(root))?;
if !root.valid_signatures() { if !root.valid_signatures() {
return Err(EvaluateError::Signature(root.id)); return Err(EvaluateError::Signature(root.id));