Refactor the install procedure and structure.

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "tmux/dot-tmux/plugins/tpm"]
-	path = tmux/dot-tmux/plugins/tpm
+	path = stowers/tmux/dot-tmux/plugins/tpm
 	url = https://github.com/tmux-plugins/tpm
 [submodule "zsh/dot-oh-my-zsh"]
-	path = zsh/dot-oh-my-zsh
+	path = stowers/zsh/dot-oh-my-zsh
 	url = https://github.com/ohmyzsh/ohmyzsh

install.sh

@@ -1,50 +1,102 @@
 #!/bin/bash
 
-function do_stow() {
-    local package="$1"
-    local opts=( "--dotfiles" "--dir" "${DOTFILES_DIR}" )
+set -euo pipefail
 
-    if [[ "$#" -ge 2 ]]; then
-        opts+=( "--target" "$2" )
-    fi
+DOTFILES_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
+STOWERS_DIR="${DOTFILES_DIR}/stowers"
+MODULES_DIR="${DOTFILES_DIR}/modules"
+TARGET_DIR="${HOME}"
 
-    stow "${opts[@]}" "$package"
-}
-
-function basic_git_setup() {
-    if ! command -v git &> /dev/null; then
-        echo "[!] Git is not installed! Not running git setup."
+install_stower() {
+    if ! command -v stow &>/dev/null; then
+        echo "[!] GNU Stow is not installed!" >&2
         return 1
     fi
 
-    git config --global user.name "Hans Goor"
-    git config --global user.email "me@eyedevelop.org"
-    git config --global push.autoSetupRemote true
-    git config --global pull.rebase true
-    git config --global commit.gpgsign true
-    git config --global merge.ff no
-    git config --global init.defaultBranch main
+    if [[ "$#" -lt 1 ]]; then
+        echo "[!] No stower given!" >&2
+        return 1
+    fi
+
+    local stower_name stower_dir
+    stower_name="$1"
+    stower_dir="${STOWERS_DIR}/${stower_name}"
+
+    if [[ ! -d "${stower_dir}" ]]; then
+        echo "[!] Stower (${stower_dir}) is not a directory!" >&2
+        return 1
+    fi
+
+    local COMMAND_DEPS 
+    COMMAND_DEPS=()
+    if [[ -f "${stower_dir}"/config.sh ]]; then
+        source "${stower_dir}"/config.sh
+    fi
+
+    for required_cmd in "${COMMAND_DEPS[@]}"; do
+        if ! command -v "${required_cmd}" &>/dev/null; then
+            echo "[${stower_name}] Missing required command: ${required_cmd}" >&2
+            return 1
+        fi
+    done
+
+    stow --dotfiles \
+         --dir "${STOWERS_DIR}" \
+         --target "${TARGET_DIR}" \
+         --ignore "config.sh" "${stower_name}" || \
+        { echo "[!] [${stower_name}] Failed to install!" >&2; return 1; }
+
+    echo "[+] [${stower_name}] Installed!"
 }
 
-set -eo pipefail
+install_module() {
+    if [[ "$#" -lt 1 ]]; then
+        echo "[!] No module given!" >&2
+        return 1
+    fi
 
-DOTFILES_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"
-TARGET_DIR="${HOME}"
+    local module_dir
+    module_dir="${MODULES_DIR}/$1"
 
-if ! command -v stow &> /dev/null; then
-    echo "[!] Stow is not installed!"
-    exit 1
+    if [[ ! -d "${module_dir}" ]] || [[ ! -f "${module_dir}/install.sh" ]]; then
+        echo "[!] Module (${module_dir}) is not a module!" >&2
+        return 1
+    fi
+
+    /bin/bash "${module_dir}/install.sh"
+}
+
+STOWERS=()
+MODULES=()
+if [[ "$#" -gt 0 ]]; then
+    for stower_or_module in "$@"; do
+        if [[ -e "${STOWERS_DIR}/${stower_or_module}" ]]; then
+            STOWERS+=("${stower_or_module}")
+        elif [[ -e "${MODULES_DIR}/${stower_or_module}" ]]; then
+            MODULES+=("${stower_or_module}")
+        else
+            echo "[!] No such stower/module: ${stower_or_module}" >&2
+            return 1
+        fi
+    done
+else
+    for stower in "${STOWERS_DIR}"/*/; do
+        stower_name="$(basename -- "${stower}")"
+        STOWERS+=("${stower_name}")
+    done
+
+    for module in "${MODULES_DIR}"/*/; do
+        module_name="$(basename -- "${module}")"
+        MODULES+=("$module")
+    done
 fi
 
-# Make sure directories exist.
-mkdir -p "${TARGET_DIR}/.ssh"
-mkdir -p "${TARGET_DIR}/.config"
+for stower in "${STOWERS[@]}"; do
+    install_stower "${stower}" || true
+done
 
-# Install SSH separately, as it requres a different target.
-do_stow ssh "${TARGET_DIR}/.ssh" || true
-do_stow tmux || true
-do_stow git || (basic_git_setup || true)
-do_stow zsh || true
-do_stow nvim "${TARGET_DIR}/.config" || true
+for module in "${MODULES[@]}"; do
+    install_module "${module}" || true
+done
 
-echo "[+] Installed!"
+echo "[!] Installed everything!"

stowers/bash/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("bash")

stowers/git/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("git")

stowers/nvim/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("nvim")

stowers/ssh/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("ssh")

stowers/tmux/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("tmux")

stowers/zsh/config.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+COMMAND_DEPS=("zsh")