tree 422f2ae6101f174283aac45d2a850306541b4a95
parent dbf2bf739f4651b744d823a392cf50faeb70bff9
author Peter Collingbourne <peter@pcc.me.uk> 1493312645 +0000
committer Peter Collingbourne <peter@pcc.me.uk> 1493312645 +0000

cmake: Touch $GIT_DIR/logs/HEAD if it does not already exist.

Apparently some git tools (such as "repo") may not create this file.
Patch by Quentin Neill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301565 91177308-0d34-0410-b5e6-96231b3b80d8