diff --git a/.chezmoi.toml.tmpl b/.chezmoi.toml.tmpl
new file mode 100644
index 0000000..458d1d5
--- /dev/null
+++ b/.chezmoi.toml.tmpl
@@ -0,0 +1,3 @@
+[git]
+    autoCommit = true
+    autoPush = true
diff --git a/.chezmoidata/packages.yaml b/.chezmoidata/packages.yaml
new file mode 100644
index 0000000..7102123
--- /dev/null
+++ b/.chezmoidata/packages.yaml
@@ -0,0 +1,69 @@
+packages:
+  darwin:
+    brews:
+      - abseil
+      - asdf
+      - autoconf
+      - autojump
+      - automake
+      - awscli
+      - bitwarden-cli
+      - brotli
+      - c-ares
+      - ca-certificates
+      - chezmoi
+      - coreutils
+      - gettext
+      - gmp
+      - icu4c
+      - jq
+      - jsoncpp
+      - liblinear
+      - libnghttp2
+      - libssh2
+      - libtool
+      - libuv
+      - libvterm
+      - libyaml
+      - lpeg
+      - lua
+      - luajit
+      - luv
+      - m4
+      - mactop
+      - mosh
+      - mpdecimal
+      - msgpack
+      - neofetch
+      - neovim
+      - nmap
+      - node
+      - oniguruma
+      - openssl@3
+      - pcre2
+      - primer3
+      - protobuf
+      - pulumi
+      - python-setuptools
+      - python@3.11
+      - python@3.12
+      - readline
+      - screenresolution
+      - sqlite
+      - thefuck
+      - tree
+      - tree-sitter
+      - typescript
+      - unibilium
+      - unixodbc
+      - xz
+      - zsh-autocomplete
+    casks:
+      - alacritty
+      - bitwarden
+      - crystalfetch
+      - divvy
+      - docker
+      - keepingyouawake
+      - loop
+      - utm
diff --git a/run_onchange_install_macos_packages.sh.tmpl b/run_onchange_install_macos_packages.sh.tmpl
new file mode 100644
index 0000000..b4bc437
--- /dev/null
+++ b/run_onchange_install_macos_packages.sh.tmpl
@@ -0,0 +1,12 @@
+{{ if eq .chezmoi.os "darwin" -}}
+#!/bin/bash
+
+brew bundle --no-lock --file=/dev/stdin <<EOF
+{{ range .packages.darwin.brews -}}
+brew {{ . | quote }}
+{{ end -}}
+{{ range .packages.darwin.casks -}}
+cask {{ . | quote }}
+{{ end -}}
+EOF
+{{ end -}}