Add method for pushing Oids on an RefsReferringToIter

neithernut · neithernut · commit 7651f62ee9f6 · 2018-04-30T15:58:48.000+02:00
The `Oid`s will be pushed onto the underlying `Revwalk`.
diff --git a/lib/src/iter.rs b/lib/src/iter.rs
@@ -220,6 +220,15 @@ impl<'r> RefsReferringTo<'r> {
         Self { refs: HashMap::new(), inner: messages, current_refs: Vec::new() }
     }
 
+    /// Push a starting point for the iteration
+    ///
+    /// The message will be pushed onto the underlying `Revwalk` used for
+    /// iterating over messages.
+    ///
+    pub fn push(&mut self, message: git2::Oid) -> Result<()> {
+        self.inner.push(message).chain_err(|| EK::CannotConstructRevwalk)
+    }
+
     /// Start watching a reference
     ///
     /// A watched reference may be returned by the iterator.
