From 036aab424f917b0b8e9b878e402c05e733f312a3 Mon Sep 17 00:00:00 2001
From: konstin <konstin@mailbox.org>
Date: Thu, 12 Dec 2024 13:42:19 +0100
Subject: [PATCH] Allow access to undecided packages

Allow introspecting which packages are to be decided. uv currently uses this for (trace) logging in the resolver.
---
 src/internal/partial_solution.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/internal/partial_solution.rs b/src/internal/partial_solution.rs
index 22115388..63279c1d 100644
--- a/src/internal/partial_solution.rs
+++ b/src/internal/partial_solution.rs
@@ -214,6 +214,13 @@ impl<DP: DependencyProvider> PartialSolution<DP> {
         self.next_global_index += 1;
     }
 
+    /// The list of package that have not been selected after the last prioritization.
+    ///
+    /// This list gets updated by [`Self::pick_highest_priority_pkg`] and cleared by backtracking.
+    pub fn undecided_packages(&self) -> impl Iterator<Item = (&Id<DP::P>, &DP::Priority)> {
+        self.prioritized_potential_packages.iter()
+    }
+
     /// Add a derivation.
     pub(crate) fn add_derivation(
         &mut self,