Don't look recursively for a .git dir

[quassel.git] / cmake / modules / GetGitRevisionDescription.cmake

diff --git a/cmake/modules/GetGitRevisionDescription.cmake b/cmake/modules/GetGitRevisionDescription.cmake
index aa2ef71..10e3707 100644 (file)
--- a/cmake/modules/GetGitRevisionDescription.cmake
+++ b/cmake/modules/GetGitRevisionDescription.cmake
@@ -40,19 +40,12 @@ set(__get_git_revision_description YES)
 get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
 
 function(get_git_head_revision _refspecvar _hashvar)
-       set(GIT_PARENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
-       set(GIT_DIR "${GIT_PARENT_DIR}/.git")
-       while(NOT EXISTS "${GIT_DIR}")  # .git dir not found, search parent directories
-               set(GIT_PREVIOUS_PARENT "${GIT_PARENT_DIR}")
-               get_filename_component(GIT_PARENT_DIR ${GIT_PARENT_DIR} PATH)
-               if(GIT_PARENT_DIR STREQUAL GIT_PREVIOUS_PARENT)
-                       # We have reached the root directory, we are not in git
-                       set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
-                       set(${_hashvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
-                       return()
-               endif()
-               set(GIT_DIR "${GIT_PARENT_DIR}/.git")
-       endwhile()
+       set(GIT_DIR "${CMAKE_SOURCE_DIR}/.git")
+       if(NOT EXISTS "${GIT_DIR}")     # .git dir not found
+               set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
+               set(${_hashvar} "GITDIR-NOTFOUND" PARENT_SCOPE)
+               return()
+       endif()
        # check if this is a submodule
        if(NOT IS_DIRECTORY ${GIT_DIR})
                file(READ ${GIT_DIR} submodule)