commit 74ff80323c23a41b4b311b0cf67d6f5f59034d08
author Brad King <brad.king@kitware.com> Thu Jul 25 08:24:48 2019 -0400
committer Brad King <brad.king@kitware.com> Mon Jul 29 11:25:44 2019 -0400
tree 61a2247d8a15bf71c96885aa018d8a1272068f6c
parent e1e7986c00912a89b644ff60a8e63189f8ba1ac5

CMakeVersion: Use FindGit module to find Git

We now require at least CMake 3.1 to build, and that has the FindGit
module.

Source/CMakeVersion.cmake

diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 02cf748..4616dee 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -15,9 +15,8 @@
   # Try to identify the current development source version.
   set(CMake_VERSION_SOURCE "")
   if(EXISTS ${CMake_SOURCE_DIR}/.git)
-    find_program(GIT_EXECUTABLE NAMES git git.cmd)
-    mark_as_advanced(GIT_EXECUTABLE)
-    if(GIT_EXECUTABLE)
+    find_package(Git QUIET)
+    if(GIT_FOUND)
       execute_process(
         COMMAND ${GIT_EXECUTABLE} rev-parse --verify -q --short=4 HEAD
         OUTPUT_VARIABLE head