avoiding Hombrew auto cleanup

CI/MacOS/mac-build.yml

@@ -6,50 +6,11 @@ steps:
       keychain: 'temp'
     condition: eq(variables['Build.Reason'], 'Manual')
 
-  # - task: CmdLine@2
-  #   inputs:
-  #     script: 'brew uninstall openssl'
-  #   displayName: 'Uninstalling bogous tap'
-
-  # - task: CmdLine@2
-  #   inputs:
-  #     script: 'brew cleanup'
-  #   displayName: 'Cleaning Up Homebrew'
-  # /usr/local/Cellar/openssl
-
-  - task: CmdLine@2
-    inputs:
-      script: 'mkdir -p /usr/local/Cellar/openssl'
-    displayName: 'Creating placebo directory'
-
-  - task: CmdLine@2
-    inputs:
-      script: 'brew update'
-    displayName: 'Updating Homebrew'
-
-  - task: CmdLine@2
-    inputs:
-      script: 'brew upgrade'
-    displayName: 'Upgrading Homebrew'
-
-  # - task: CmdLine@2
-  #   inputs:
-  #     script: 'brew install openssl'
-  #   displayName: 'Installing OpenSSL'
-
-  # - task: CmdLine@2
-  #   inputs:
-  #     script: 'brew link openssl --force'
-  #   displayName: 'creating Links for OpenSSL'
-
-  # - task: CmdLine@2
-  #   inputs:
-  #     script: 'ln -s /usr/local/opt/openssl/include/openssl /usr/local/include/.'
-  #   displayName: 'Manual Link'
-
   - task: CmdLine@2
     inputs:
       script: 'brew install qt'
+      env:
+        HOMEBREW_NO_INSTALL_CLEANUP: 1
     displayName: 'Installing QT'
 
   - task: CmdLine@2