make solver_describe_decision always return a rule, add solver_rule2solvable()

[platform/upstream/libsolv.git] / src / rules.c

diff --git a/src/rules.c b/src/rules.c
index ae14eba..677807c 100644 (file)
--- a/src/rules.c
+++ b/src/rules.c
@@ -2307,6 +2307,16 @@ solver_rule2job(Solver *solv, Id rid, Id *whatp)
   return solv->job.elements[idx];
 }
 
+Id
+solver_rule2solvable(Solver *solv, Id rid)
+{
+  if (rid >= solv->updaterules && rid < solv->updaterules_end)
+    return rid - solv->updaterules;
+  if (rid >= solv->featurerules && rid < solv->featurerules_end)
+    return rid - solv->featurerules;
+  return 0;
+}
+
 /* check if the newest versions of pi still provides the dependency we're looking for */
 static int
 solver_choicerulecheck(Solver *solv, Id pi, Rule *r, Map *m)