fix mac

scripts/macos_dependencies.sh

@@ -1,10 +1,22 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
-ROOT=$DIR/../
+ROOT="$(cd $DIR/../ && pwd)"
+ARCH=$(uname -m)
+
+if [[ $SHELL == "/bin/zsh" ]]; then
+  RC_FILE="$HOME/.zshrc"
+elif [[ $SHELL == "/bin/bash" ]]; then
+  RC_FILE="$HOME/.bash_profile"
+fi
 
+# Install brew if required
 if [[ $(command -v brew) == "" ]]; then
+  echo "Installing Homebrew"
   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
+  echo "[ ] installed brew t=$SECONDS"
 
+  # make brew available now
   if [[ $ARCH == "x86_64" ]]; then
       echo 'eval "$(/usr/local/homebrew/bin/brew shellenv)"' >> $RC_FILE
       eval "$(/usr/local/homebrew/bin/brew shellenv)"