From b62b756b288a946db44695ef0049c7d4bd139a13 Mon Sep 17 00:00:00 2001
From: Yan Chunwei <yanchunwei@outlook.com>
Date: Mon, 28 Jan 2019 14:46:00 +0800
Subject: [PATCH] add version support (#15469)

---
 paddle/fluid/framework/CMakeLists.txt    | 22 +++++++++++++++++++++-
 paddle/fluid/framework/commit.h.in       | 21 +++++++++++++++++++++
 paddle/fluid/inference/api/api.cc        | 10 ++++++++++
 paddle/fluid/inference/api/api_tester.cc |  6 ++++++
 paddle/fluid/inference/api/paddle_api.h  |  2 ++
 5 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 paddle/fluid/framework/commit.h.in

diff --git a/paddle/fluid/framework/CMakeLists.txt b/paddle/fluid/framework/CMakeLists.txt
index 2ba2437de66..66f11dedbac 100644
--- a/paddle/fluid/framework/CMakeLists.txt
+++ b/paddle/fluid/framework/CMakeLists.txt
@@ -1,4 +1,3 @@
-
 #windows treat symbolic file as a real file, which is different with unix
 #We create a hidden file and compile it instead of origin source file.
 function(windows_symbolic TARGET)
@@ -207,3 +206,24 @@ endif (NOT WIN32)
 
 cc_library(dlpack_tensor SRCS dlpack_tensor.cc DEPS tensor dlpack)
 cc_test(dlpack_tensor_test SRCS dlpack_tensor_test.cc DEPS dlpack_tensor glog)
+
+# Get the current working branch
+execute_process(
+  COMMAND git rev-parse --abbrev-ref HEAD
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE PADDLE_BRANCH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+# Get the latest abbreviated commit hash of the working branch
+execute_process(
+  COMMAND git log -1 --format=%h
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE PADDLE_COMMIT
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+message(STATUS "commit: ${PADDLE_COMMIT}")
+message(STATUS "branch: ${PADDLE_BRANCH}")
+
+configure_file(commit.h.in commit.h)
diff --git a/paddle/fluid/framework/commit.h.in b/paddle/fluid/framework/commit.h.in
new file mode 100644
index 00000000000..3a33ece6244
--- /dev/null
+++ b/paddle/fluid/framework/commit.h.in
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <string>
+
+namespace paddle {
+namespace framework {
+
+static std::string paddle_commit() {
+  return "@PADDLE_COMMIT@";
+}
+
+static std::string paddle_compile_branch() {
+  return "@PADDLE_BRANCH@";
+}
+
+static std::string paddle_version() {
+  return "@PADDLE_VERSION@";
+}
+
+}  // namespace framework
+}  // namespace paddle
diff --git a/paddle/fluid/inference/api/api.cc b/paddle/fluid/inference/api/api.cc
index 9be059c73e2..6cd18277d63 100644
--- a/paddle/fluid/inference/api/api.cc
+++ b/paddle/fluid/inference/api/api.cc
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include <sstream>
+#include "paddle/fluid/framework/commit.h"
 #include "paddle/fluid/framework/lod_tensor.h"
 #include "paddle/fluid/framework/scope.h"
 #include "paddle/fluid/inference/api/paddle_inference_api.h"
@@ -97,4 +99,12 @@ void PaddleBuf::Free() {
   }
 }
 
+std::string get_version() {
+  std::stringstream ss;
+  ss << "version: " << framework::paddle_version() << "\n";
+  ss << "commit: " << framework::paddle_commit() << "\n";
+  ss << "branch: " << framework::paddle_compile_branch() << "\n";
+  return ss.str();
+}
+
 }  // namespace paddle
diff --git a/paddle/fluid/inference/api/api_tester.cc b/paddle/fluid/inference/api/api_tester.cc
index 7a579610eef..2c450ef7cea 100644
--- a/paddle/fluid/inference/api/api_tester.cc
+++ b/paddle/fluid/inference/api/api_tester.cc
@@ -61,4 +61,10 @@ TEST(paddle_inference_api, demo) {
   predictor->Run({}, &outputs);
 }
 
+TEST(paddle_inference_api, get_version) {
+  LOG(INFO) << "paddle version:\n" << get_version();
+  auto version = get_version();
+  ASSERT_FALSE(version.empty());
+}
+
 }  // namespace paddle
diff --git a/paddle/fluid/inference/api/paddle_api.h b/paddle/fluid/inference/api/paddle_api.h
index 4fc12c294ac..40698322461 100644
--- a/paddle/fluid/inference/api/paddle_api.h
+++ b/paddle/fluid/inference/api/paddle_api.h
@@ -296,4 +296,6 @@ std::unique_ptr<PaddlePredictor> CreatePaddlePredictor(const ConfigT& config);
 
 int PaddleDtypeSize(PaddleDType dtype);
 
+std::string get_version();
+
 }  // namespace paddle
-- 
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