From 0bae47a75488e2fd1bcab8b141976763e4d81e95 Mon Sep 17 00:00:00 2001
From: Unknown <fireice2@o2.pl>
Date: Fri, 10 Nov 2017 19:19:07 +0000
Subject: [PATCH] Define GIT_COMMIT_HASH via cmake or git archive

---
 .gitattributes            |  1 +
 CMakeLists.txt            | 28 ++++++++++++++++++++++++++++
 xmrstak/cli/cli-miner.cpp |  2 +-
 xmrstak/version.hpp       | 13 +++++++++++++
 4 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 .gitattributes

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..c71d4e1
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+xmrstak/version.hpp export-subst
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e13aa0..0faa56d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,6 +358,34 @@ if(WIN32)
     set(LIBS ${LIBS} wsock32 ws2_32)
 endif()
 
+################################################################################
+# Versioning
+################################################################################
+
+# Get the current working branch
+execute_process(
+  COMMAND git rev-parse --abbrev-ref HEAD
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE GIT_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 ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE GIT_COMMIT_HASH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+if(NOT "${GIT_COMMIT_HASH}" STREQUAL "")
+	add_definitions("-DGIT_COMMIT_HASH=\"${GIT_COMMIT_HASH}\"")
+endif()
+if(NOT "${GIT_BRANCH}" STREQUAL "")
+	add_definitions("-DGIT_BRANCH=\"${GIT_BRANCH}\"")
+endif()
+
+
 ################################################################################
 # Compile & Link
 ################################################################################
diff --git a/xmrstak/cli/cli-miner.cpp b/xmrstak/cli/cli-miner.cpp
index 5c16c1b..d103293 100644
--- a/xmrstak/cli/cli-miner.cpp
+++ b/xmrstak/cli/cli-miner.cpp
@@ -85,7 +85,7 @@ void help()
 	cout<<"  -u, --user USERNAME   pool user name or wallet address"<<endl;
 	cout<<"  -p, --pass PASSWD     pool password, in the most cases x or empty \"\""<<endl;
 	cout<<" \n"<<endl;
-	cout<<XMR_STAK_NAME<<" "<<XMR_STAK_VERSION<<endl;
+	cout<<XMR_STAK_NAME << " " << XMR_STAK_VERSION << " " << GIT_COMMIT_HASH << " " << GIT_BRANCH << endl;
 	cout<<"Brought to by fireice_uk and psychocrypt under GPLv3."<<endl;
 }
 
diff --git a/xmrstak/version.hpp b/xmrstak/version.hpp
index 44214c8..4267c75 100644
--- a/xmrstak/version.hpp
+++ b/xmrstak/version.hpp
@@ -1,4 +1,17 @@
 #pragma once
 
+//! git will put "#define GIT_ARCHIVE 1" on the next line inside archives. $Format:%n#define GIT_ARCHIVE 1$
+#if defined(GIT_ARCHIVE) && !defined(GIT_COMMIT_HASH)
+#define GIT_COMMIT_HASH "$Format:%h$"
+#endif
+
+#ifndef GIT_COMMIT_HASH
+#define GIT_COMMIT_HASH "0000000"
+#endif
+
+#ifndef GIT_BRANCH
+#define GIT_BRANCH "unknown"
+#endif
+
 #define XMR_STAK_NAME "xmr-stak"
 #define XMR_STAK_VERSION "2.0.0-predev"