[Updated] D11946: hg-cpython: implement vcsgraph::Graph for our Index

[pacien (Pacien)]

Closed by commit rHG8e8737a1fa7d: hg-cpython: implement vcsgraph::Graph for our Index (authored by pacien).
This revision was automatically updated to reflect the committed changes.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D11946?vs=31561&id=31565

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D11946/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D11946

AFFECTED FILES
  rust/hg-cpython/src/cindex.rs

CHANGE DETAILS

diff --git a/rust/hg-cpython/src/cindex.rs b/rust/hg-cpython/src/cindex.rs
--- a/rust/hg-cpython/src/cindex.rs
+++ b/rust/hg-cpython/src/cindex.rs
@@ -155,6 +155,24 @@
     }
 }
 
+impl vcsgraph::graph::Graph for Index {
+    fn parents(
+        &self,
+        rev: Revision,
+    ) -> Result<vcsgraph::graph::Parents, vcsgraph::graph::GraphReadError>
+    {
+        match Graph::parents(self, rev) {
+            Ok(parents) => Ok(vcsgraph::graph::Parents(parents)),
+            Err(GraphError::ParentOutOfRange(rev)) => {
+                Err(vcsgraph::graph::GraphReadError::KeyedInvalidKey(rev))
+            }
+            Err(GraphError::WorkingDirectoryUnsupported) => Err(
+                vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported,
+            ),
+        }
+    }
+}
+
 impl RevlogIndex for Index {
     /// Note C return type is Py_ssize_t (hence signed), but we shall
     /// force it to unsigned, because it's a length



To: pacien, #hg-reviewers, SimonSapin, Alphare
Cc: mercurial-patches
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