From e177bb3ebcd76431c34cc07ed888cdc4b522cf40 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Sat, 5 Sep 2020 01:02:55 -0700
Subject: [PATCH] Adds a git_version generated header

Allows us to get the short git hash at runtime
---
 External/FEXCore/CMakeLists.txt           | 21 +++++++++++++++++++++
 External/FEXCore/include/git_version.h.in |  3 +++
 2 files changed, 24 insertions(+)
 create mode 100644 External/FEXCore/include/git_version.h.in

diff --git a/External/FEXCore/CMakeLists.txt b/External/FEXCore/CMakeLists.txt
index 3ebcd3f1a..c8dc27070 100644
--- a/External/FEXCore/CMakeLists.txt
+++ b/External/FEXCore/CMakeLists.txt
@@ -41,6 +41,27 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 include_directories(${CMAKE_SOURCE_DIR}/External/SonicUtils/include/SonicUtils)
 
+# Find our git hash
+find_package(Git)
+
+set(GIT_SHORT_HASH "Unknown")
+
+if (GIT_FOUND)
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    OUTPUT_VARIABLE GIT_SHORT_HASH
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+endif()
+
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/include/git_version.h.in
+  ${CMAKE_BINARY_DIR}/generated/git_version.h)
+
+include_directories(${CMAKE_BINARY_DIR}/generated)
+
 add_subdirectory(Source/)
 
 install (DIRECTORY include/FEXCore ${CMAKE_BINARY_DIR}/include/FEXCore
diff --git a/External/FEXCore/include/git_version.h.in b/External/FEXCore/include/git_version.h.in
new file mode 100644
index 000000000..d7e8b7712
--- /dev/null
+++ b/External/FEXCore/include/git_version.h.in
@@ -0,0 +1,3 @@
+#pragma once
+
+#define GIT_SHORT_HASH "@GIT_SHORT_HASH@"