From 3ce091fd7332db5051b4a836b92edae6e0b90b7c Mon Sep 17 00:00:00 2001
From: Islam AbdelRahman <tec@fb.com>
Date: Tue, 17 Jan 2017 13:38:40 -0800
Subject: [PATCH] Add KEEP_DB env var option

Summary:
When debugging tests, it's useful to preserve the DB to investigate it and check the logs
This will allow us to set KEEP_DB=1 to preserve the DB
Closes https://github.com/facebook/rocksdb/pull/1759

Differential Revision: D4393826

Pulled By: IslamAbdelRahman

fbshipit-source-id: 1bff689
---
 db/db_test_util.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/db/db_test_util.cc b/db/db_test_util.cc
index 23a495e33..e33c1c0e8 100644
--- a/db/db_test_util.cc
+++ b/db/db_test_util.cc
@@ -72,7 +72,12 @@ DBTestBase::~DBTestBase() {
   options.db_paths.emplace_back(dbname_ + "_2", 0);
   options.db_paths.emplace_back(dbname_ + "_3", 0);
   options.db_paths.emplace_back(dbname_ + "_4", 0);
-  EXPECT_OK(DestroyDB(dbname_, options));
+
+  if (getenv("KEEP_DB")) {
+    printf("DB is still at %s\n", dbname_.c_str());
+  } else {
+    EXPECT_OK(DestroyDB(dbname_, options));
+  }
   delete env_;
 }