From bec60b9f1f561c69d5ff72398bbb5b21bd1e16ad Mon Sep 17 00:00:00 2001
From: Avinash Baliga <fifoforlifo@gmail.com>
Date: Sun, 3 Mar 2013 21:33:19 -0600
Subject: NINJA_STATUS now takes %e for elapsed time.

---
 src/build.cc | 8 ++++++++
 src/build.h  | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/build.cc b/src/build.cc
index 701fa92..2f5b267 100644
--- a/src/build.cc
+++ b/src/build.cc
@@ -238,6 +238,14 @@ string BuildStatus::FormatProgressStatus(
         out += buf;
         break;
 
+      case 'e':
+      {
+        double elapsed = overall_rate_.Elapsed();
+        snprintf(buf, sizeof(buf), "%.3fs", elapsed);
+        out += buf;
+        break;
+      }
+
       default:
         Fatal("unknown placeholder '%%%c' in $NINJA_STATUS", *s);
         return "";
diff --git a/src/build.h b/src/build.h
index 23f653e..5747170 100644
--- a/src/build.h
+++ b/src/build.h
@@ -220,6 +220,7 @@ struct BuildStatus {
     RateInfo() : rate_(-1) {}
 
     void Restart() { stopwatch_.Restart(); }
+    double Elapsed() const { return stopwatch_.Elapsed(); }
     double rate() { return rate_; }
 
     void UpdateRate(int edges) {
-- 
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