tree 345642a59926a7fe48525269efb222ee26ddeabe
parent 369072a8f00b80132a6442e5c3cb28d014e360c4
author George Burgess IV <gbiv@google.com> 1607363602 -0800
committer George Burgess <gbiv@chromium.org> 1607364224 +0000

llvm_tools: update upstream branch names to point to `main`

LLVM recently renamed their `master` branch to `main` upstream. This
changes our tooling to search for the latter name instead.

BUG=None
TEST=Unittests; ran `git llvm-rev --sha HEAD` in an up-to-date llvm
repo.

Change-Id: Icdc6dac48fda7697d18d0d77935e46670273bf84
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2577643
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: George Burgess <gbiv@chromium.org>