From c65cde4cf8b718625cce2200f8bbffd0283a54eb Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Sat, 1 Aug 2020 07:45:39 +0200
Subject: [PATCH] Avoid update and upgrades to brew (#17815)

Ci is currently failing on brew update with the error:
```
Error: Cannot install bazelisk because conflicting formulae are installed.
  bazel: because Bazelisk replaces the bazel binary

Please `brew unlink bazel` before continuing.

Unlinking removes a formula's symlinks from /usr/local. You can
link the formula again after the install finishes. You can --force this
install, but the build may fail or cause obscure side effects in the
resulting software.
```
Avoiding:
```
$ brew update
$ brew upgrade
```
solves the issue by preventing the risk of conflicting formulae
---
 .github/workflows/macos_unit_tests.yaml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/macos_unit_tests.yaml b/.github/workflows/macos_unit_tests.yaml
index f4b55bab86..1e60f76918 100644
--- a/.github/workflows/macos_unit_tests.yaml
+++ b/.github/workflows/macos_unit_tests.yaml
@@ -26,8 +26,6 @@ jobs:
           pip install --upgrade flake8 pep8-naming
     - name: Setup Homebrew packages
       run: |
-        brew update
-        brew upgrade
         brew install gcc gnupg2 dash kcov
     - name: Run unit tests
       run: |
-- 
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