feat: add homebrew and common dependencies

orka/templates/macos-11-intel-test.pkr.hcl

@@ -53,9 +53,27 @@ build {
   ]
   provisioner "shell" {
     inline = [
-      "echo we are running on the remote host",
-      "hostname",
-      "touch .we-ran-packer-successfully"
+      "echo 'Installing Homebrew...'",
+      "/bin/bash -c \"$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\"",
+      "echo 'eval \"$(/usr/local/bin/brew shellenv)\"' >> /Users/${var.ssh_default_username}/.zprofile",
+      "eval \"$(/usr/local/bin/brew shellenv)\"",
+      "source /Users/${var.ssh_default_username}/.zprofile"
+    ]
+  }
+  // Check Homebrew. Ignore errors as macos 11 is deprecated
+  provisioner "shell" {
+    inline = [
+      "echo 'Checking Homebrew...'",
+      "source /Users/${var.ssh_default_username}/.zprofile",
+      "brew doctor || true"
+    ]
+  }
+  // Install dependencies using Homebrew. This can take hours to complete as all has to be compiled from source
+  provisioner "shell" {
+    inline = [
+      "echo 'Installing packages using Homebrew...'",
+      "source /Users/${var.ssh_default_username}/.zprofile",
+      "brew install git automake bash libtool cmake python ccache"
     ]
   }
 }