Use macos-10.15 for AutoBrew

dev/tasks/homebrew-formulae/github.macos.autobrew.yml

@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+{% import 'macros.jinja' as macros with context %}
+
+{{ macros.github_header() }}
+
+jobs:
+  homebrew:
+    name: "AutoBrew"
+    runs-on: macos-10.15
+    steps:
+      {{ macros.github_checkout_arrow()|indent }}
+
+      {{ macros.configure_homebrew_arrow(formula)|indent }}
+      - name: Test formula
+        run: |
+          brew install -v --HEAD apache-arrow
+          brew test apache-arrow
+          brew audit --strict apache-arrow
+
+          if [ -f ${ARROW_GLIB_FORMULA} ]; then
+            brew install -v --HEAD apache-arrow-glib
+            brew test apache-arrow-glib
+            brew audit --strict apache-arrow-glib
+          fi

dev/tasks/r/github.macos.autobrew.yml

@@ -21,8 +21,8 @@
 
 jobs:
   autobrew:
-    name: "Autobrew"
-    runs-on: macos-latest
+    name: "AutoBrew"
+    runs-on: macos-10.15
     steps:
       {{ macros.github_checkout_arrow()|indent }}
 

dev/tasks/tasks.yml

@@ -798,7 +798,7 @@ tasks:
 
   homebrew-cpp-autobrew:
     ci: github
-    template: homebrew-formulae/github.macos.yml
+    template: homebrew-formulae/github.macos.autobrew.yml
     params:
       formula: autobrew/apache-arrow.rb