From 5178693db324229b39d5d514c02c2de219eac736 Mon Sep 17 00:00:00 2001
From: Evan Martin <martine@danga.com>
Date: Wed, 20 Oct 2010 22:51:37 -0700
Subject: [PATCH] attempt to flush out a bug with a test, fail

---
 ninja.cc      |  4 ++--
 ninja.h       |  5 ++++-
 ninja_test.cc | 20 ++++++++++++++++++++
 3 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/ninja.cc b/ninja.cc
index 6e39145..9c49dc4 100644
--- a/ninja.cc
+++ b/ninja.cc
@@ -14,10 +14,10 @@ int main(int argc, char** argv) {
     return 1;
   }
 
+  state.stat_cache()->Dump();
   Shell shell;
   Builder builder(&state);
-  Node* node = builder.AddTarget(argv[1]);
-  node->in_edge_->RecomputeDirty(builder.stat_helper_);
+  builder.AddTarget(argv[1]);
   state.stat_cache()->Dump();
 
   bool success = builder.Build(&shell, &err);
diff --git a/ninja.h b/ninja.h
index f2044ca..bf4d20f 100644
--- a/ninja.h
+++ b/ninja.h
@@ -404,8 +404,11 @@ struct Builder {
   virtual ~Builder() {}
 
   Node* AddTarget(const string& name) {
-    Node* node = plan_.AddTarget(name);
+    Node* node = plan_.state_->GetNode(name);
     node->file_->StatIfNecessary(stat_helper_);
+    if (node->in_edge_)
+      node->in_edge_->RecomputeDirty(stat_helper_);
+    plan_.AddTarget(node);
     return node;
   }
   bool Build(Shell* shell, string* err);
diff --git a/ninja_test.cc b/ninja_test.cc
index d870ddd..bd3645b 100644
--- a/ninja_test.cc
+++ b/ninja_test.cc
@@ -336,3 +336,23 @@ TEST_F(StatTest, Tree) {
   ASSERT_TRUE(GetNode("mid1")->dirty_);
   ASSERT_EQ("in11", stats_[2]);
 }
+
+
+TEST_F(StatTest, Middle) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"build out: cat mid\n"
+"build mid: cat in\n"));
+
+  mtimes_["out"] = 1;
+  // mid remains missing.
+  mtimes_["in"] = 1;
+
+  Node* out = GetNode("out");
+  out->file_->Stat(this);
+  ASSERT_EQ(1, stats_.size());
+  Edge* edge = out->in_edge_;
+  edge->RecomputeDirty(this);
+  ASSERT_FALSE(GetNode("in")->dirty_);
+  ASSERT_TRUE(GetNode("mid")->dirty_);
+  ASSERT_TRUE(GetNode("out")->dirty_);
+}
-- 
2.7.4