Use a simpler and more reliable command for converting from HEAD to
authorChandler Carruth <chandlerc@gmail.com>
Sat, 10 Dec 2011 10:18:47 +0000 (10:18 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Sat, 10 Dec 2011 10:18:47 +0000 (10:18 +0000)
commit4fd061e4d95dcfc67e933c9f0b0e0e8450f849ab
tree91a368dfeba2c3bb1396d8a62295ee68367d71b4
parent78304a913130bb019e1b29debd8221839d9ea390
Use a simpler and more reliable command for converting from HEAD to
commit-ish. Funny thing, they have a command designed for this. ;]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146325 91177308-0d34-0410-b5e6-96231b3b80d8
cmake/modules/VersionFromVCS.cmake