add brew and wget install

help/is-macos.sh

@@ -24,6 +24,7 @@ set -e
 set -o pipefail
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
+  "${LOCAL}/install-brew.sh"
   exit 0
 else
   exit 1

installs/install-brew.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# MIT License
+#
+# Copyright (c) 2021-2024 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+set -e
+set -o pipefail
+
+if brew -v; then
+    echo "Homebrew is already installed"
+    exit
+fi
+
+tmp=$(mktemp -d)
+mkdir -p "${tmp}"
+cd "${tmp}"
+
+if wget -h; then 
+  echo "wget is already installed"
+else
+  brew install wget
+fi
+
+wget --quiet https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh
+chmod +x install.sh
+./install.sh
+