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cmake: Touch $GIT_DIR/logs/HEAD if it does not already exist.
authorPeter Collingbourne <peter@pcc.me.uk>
Thu, 27 Apr 2017 17:04:05 +0000 (17:04 +0000)
committerPeter Collingbourne <peter@pcc.me.uk>
Thu, 27 Apr 2017 17:04:05 +0000 (17:04 +0000)
commit5cb8f643275d9766cbeac525e2dafda672ec7c3f
tree422f2ae6101f174283aac45d2a850306541b4a95
parentdbf2bf739f4651b744d823a392cf50faeb70bff9
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
include/llvm/Support/CMakeLists.txt