From 984a18a75bd73fecafa9050fbec7e8bf58ac3084 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Wed, 25 May 2016 10:58:57 -0700
Subject: cmake: When git describe fails, just use defaults instead of printing
 warnings.

---
 host/cmake/Modules/UHDVersion.cmake | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/host/cmake/Modules/UHDVersion.cmake b/host/cmake/Modules/UHDVersion.cmake
index a344969d1..4b26efdb2 100644
--- a/host/cmake/Modules/UHDVersion.cmake
+++ b/host/cmake/Modules/UHDVersion.cmake
@@ -69,16 +69,27 @@ EXECUTE_PROCESS(
 IF(_git_describe_result EQUAL 0)
     EXECUTE_PROCESS(
         WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        COMMAND ${PYTHON_EXECUTABLE} -c "print('${_git_describe}'.split('-')[-2])"
+        COMMAND ${PYTHON_EXECUTABLE} -c "
+try:
+    print('${_git_describe}'.split('-')[-2])
+except IndexError:
+    print('0')
+"
         OUTPUT_VARIABLE UHD_GIT_COUNT OUTPUT_STRIP_TRAILING_WHITESPACE
     )
     EXECUTE_PROCESS(
         WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        COMMAND ${PYTHON_EXECUTABLE} -c "print('${_git_describe}'.split('-')[-1])"
+        COMMAND ${PYTHON_EXECUTABLE} -c "
+try:
+    print('${_git_describe}'.split('-')[-1])
+except IndexError:
+    print('unknown')
+"
         OUTPUT_VARIABLE UHD_GIT_HASH OUTPUT_STRIP_TRAILING_WHITESPACE
     )
 ENDIF()
 
+## Set default values if all fails. Make sure they're identical to the ones above.
 IF(NOT UHD_GIT_COUNT)
     SET(UHD_GIT_COUNT "0")
 ENDIF()
-- 
cgit v1.2.3