add install_homebrew_packages function

install

@@ -2,8 +2,11 @@
 set -euo pipefail
 cd -- "$(dirname -- "$0")"
 . mod.bash
-(($(id -u) == 0)) \
-  && [[ -f /etc/debian_version ]] \
+if (($(id -u) == 0)); then
+  [[ -f /etc/debian_version ]] \
     && install_apt_packages
+  [[ $(uname -sm) =~ ^(Linux x86_64|Darwin .*)$ ]] \
+    && install_homebrew_packages
+fi
 install_dotfiles
 install_addons "$@"

mod.bash

@@ -24,6 +24,17 @@ function install_apt_packages() {
     && rsync -rv etc/default/ /etc/default/
   apt update
   apt install -y "${packages[@]}"
+  rsync -rv etc/apt/sources.list.d/ "$apt_sources_dir"
+}
+
+function install_homebrew_packages() {
+  local uid
+  uid=${SUDO_UID:-$(id -u)}
+  sudo --user="#$uid" \
+    NONINTERACTIVE=1 \
+    bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
+  sudo --user="#$uid" \
+    /home/linuxbrew/.linuxbrew/bin/brew bundle --file=.Brewfile
 }
 
 function install_addons() {