From 67b5d507010be0528c886133cae73fff0e3c7712 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 23 Feb 2013 18:46:23 +0100
Subject: Use 'git describe' output as version string when available

---
 GitVersion.cmake | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 GitVersion.cmake

(limited to 'GitVersion.cmake')

diff --git a/GitVersion.cmake b/GitVersion.cmake
new file mode 100644
index 0000000..8eed8c5
--- /dev/null
+++ b/GitVersion.cmake
@@ -0,0 +1,13 @@
+find_program(GIT_EXECUTABLE git DOC "path to the git executable")
+mark_as_advanced(GIT_EXECUTABLE)
+
+function(git_version RESULT_VAR DIR)
+  set(${RESULT_VAR} "" PARENT_SCOPE)
+  if(GIT_EXECUTABLE)
+    execute_process(COMMAND ${GIT_EXECUTABLE} describe WORKING_DIRECTORY ${DIR} OUTPUT_VARIABLE git_version_OUTPUT ERROR_VARIABLE git_version_ERROR RESULT_VARIABLE git_version_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    if(${git_version_RESULT} EQUAL 0)
+      set(${RESULT_VAR} "${git_version_OUTPUT}" PARENT_SCOPE)
+    endif()
+  endif()
+endfunction(git_version)
-- 
cgit v1.2.3