dotfiles/setup at master · ng/dotfiles · GitHub

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#!/bin/bash

################################################################################
# Dotfiles Setup
#
# Backs up existing dotfiles, creates symlinks, and bootstraps local configs.
#
# What gets linked:
#   root_files     Listed below. Linked as ~/.name
#   sourced/*      Auto-scanned. Linked as ~/.sourced_* (auto-sourced by zshrc)
#   local/*        Auto-scanned. Linked as ~/.local_*   (non-shell configs, gitignored)
#                  Templates in local.example/ copied on first run.
#
# Usage:
#   ./setup
#   BASE_ROOT_DIR=~/.mydir DOTFILE_SRC=/path/to/dotfiles ./setup
#
# Options (env vars):
#   BASE_ROOT_DIR  Root for backups (default: ~/.ng)
#   DOTFILE_SRC    Dotfiles repo path (default: script directory)
################################################################################

# Root dotfiles: linked as ~/.name (or ~/.dotfile_name if using name:dotfile_name)
root_files=(
    # Shell
    aliases
    bashrc
    zshrc
    zprofile
    # Tools
    emacs
    gitconfig
    tmux.conf
    gemrc
    Guardfile
    Xmodmap
    xinitrc
)

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
dotfile_src="$(cd "${DOTFILE_SRC:-$SCRIPT_DIR}" 2>/dev/null && pwd)" || {
    echo "DOTFILE_SRC not found: ${DOTFILE_SRC:-$SCRIPT_DIR}"; exit 1
}
base_root_dir="${BASE_ROOT_DIR:-$HOME/.ng}"
backup_dir="$base_root_dir/dotfiles/backup/$(date +%Y%m%d_%H%M%S)"

green() { tput setaf 2; printf '%s' "$1"; tput sgr0; }
purple() { tput setaf 5; printf '%s' "$1"; tput sgr0; }
yellow() { tput setaf 3; printf '%s' "$1"; tput sgr0; }

link() {
    local src="$1" name="$2"
    mv ~/."$name" "$backup_dir"/ 2>/dev/null || true
    ln -sf "$src" ~/."$name"
    echo "  $(green "$(basename "$src")") -> $(purple "~/.$name")"
}

# Nerd Font (for powerline tmux status bar)
if command -v brew >/dev/null 2>&1; then
    if ! ls ~/Library/Fonts/*NerdFont* &>/dev/null 2>&1; then
        echo "Installing JetBrainsMono Nerd Font..."
        brew install --cask font-jetbrains-mono-nerd-font
        echo "  $(yellow "Set your terminal font to 'JetBrainsMono Nerd Font'")"
    fi
fi

# TPM (tmux plugin manager)
if [ ! -d ~/.tmux/plugins/tpm ]; then
    echo "Installing TPM..."
    git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
fi

# Tmux helper scripts
echo "Linking tmux scripts..."
ln -sfn "$dotfile_src/tmux" ~/.dotfiles-tmux

mkdir -p "$backup_dir"

# Root symlinks
echo "Linking root configs..."
for entry in "${root_files[@]}"; do
    repo_file="${entry%%:*}"
    dotfile_name="${entry##*:}"
    link "$dotfile_src/$repo_file" "$dotfile_name"
done

# sourced/ -> ~/.sourced_*
echo "Linking sourced configs..."
for file in "$dotfile_src"/sourced/*; do
    [ -f "$file" ] || continue
    link "$file" "sourced_$(basename "$file")"
done

# local/ -> ~/.local_* (bootstrap from local.example/ on first run)
echo "Linking local configs..."
for example in "$dotfile_src"/local.example/*; do
    [ -f "$example" ] || continue
    name="$(basename "$example")"
    if [ ! -f "$dotfile_src/local/$name" ]; then
        cp "$example" "$dotfile_src/local/$name"
        echo "  $(yellow "created local/$name from template")"
    fi
done
for file in "$dotfile_src"/local/*; do
    [ -f "$file" ] || continue
    link "$file" "local_$(basename "$file")"
done

echo "Done."