From 80a040ac772132a8d8e7385c0261f545adc88aee Mon Sep 17 00:00:00 2001
From: bunnei <ericbunnie@gmail.com>
Date: Wed, 23 Apr 2014 19:13:00 -0700
Subject: fixes to scm_rev generation to make it conistent with windows build

---
 .../cmake-modules/GetGitRevisionDescription.cmake  | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'externals')

diff --git a/externals/cmake-modules/GetGitRevisionDescription.cmake b/externals/cmake-modules/GetGitRevisionDescription.cmake
index 2b9cde06..087f5dee 100644
--- a/externals/cmake-modules/GetGitRevisionDescription.cmake
+++ b/externals/cmake-modules/GetGitRevisionDescription.cmake
@@ -80,6 +80,34 @@ function(get_git_head_revision _refspecvar _hashvar)
 	set(${_hashvar} "${HEAD_HASH}" PARENT_SCOPE)
 endfunction()
 
+function(git_branch_name _var)
+	if(NOT GIT_FOUND)
+		find_package(Git QUIET)
+	endif()
+
+	if(NOT GIT_FOUND)
+		set(${_var} "GIT-NOTFOUND" PARENT_SCOPE)
+		return()
+	endif()
+
+	execute_process(COMMAND
+		"${GIT_EXECUTABLE}"
+		rev-parse --abbrev-ref HEAD
+		WORKING_DIRECTORY
+		"${CMAKE_SOURCE_DIR}"
+		RESULT_VARIABLE
+		res
+		OUTPUT_VARIABLE
+		out
+		ERROR_QUIET
+		OUTPUT_STRIP_TRAILING_WHITESPACE)
+	if(NOT res EQUAL 0)
+		set(out "${out}-${res}-NOTFOUND")
+	endif()
+
+	set(${_var} "${out}" PARENT_SCOPE)
+endfunction()
+
 function(git_describe _var)
 	if(NOT GIT_FOUND)
 		find_package(Git QUIET)
-- 
cgit v1.2.3