dotfiles 管理：换台机器五分钟恢复手感

# 方式 A：直接放（简单）
dotfiles/
├── bashrc
├── vimrc
├── gitconfig
├── tmux.conf
├── install.sh
└── README.md

# 方式 B：按应用分目录（配合 stow）
dotfiles/
├── bash/.bashrc
├── vim/.vimrc
├── git/.gitconfig
└── tmux/.tmux.conf

#!/usr/bin/env bash
# install.sh —— 把仓库里的配置软链到 $HOME
set -euo pipefail

DOT="$(cd "$(dirname "$0")" && pwd)"
BACKUP="$HOME/.dotfiles-backup-$(date +%s)"

link() {
  local src="$1" dst="$2"
  # 目标已存在且不是软链 → 先备份
  if [ -e "$dst" ] && [ ! -L "$dst" ]; then
    mkdir -p "$BACKUP"
    mv "$dst" "$BACKUP/"
    echo "已备份原文件 → $BACKUP/$(basename "$dst")"
  fi
  ln -sfn "$src" "$dst"
  echo "链接 $dst → $src"
}

link "$DOT/bashrc"      "$HOME/.bashrc"
link "$DOT/vimrc"       "$HOME/.vimrc"
link "$DOT/gitconfig"   "$HOME/.gitconfig"
link "$DOT/tmux.conf"   "$HOME/.tmux.conf"
link "$DOT/inputrc"     "$HOME/.inputrc"

echo "完成。执行 source ~/.bashrc 生效。"

chmod +x install.sh && ./install.sh

sudo apt install -y stow

cd ~/dotfiles
stow bash vim git tmux      # 按目录名创建软链
stow -D bash                # 撤销
stow -R vim                 # 重做（先撤再建）

# 预演：看会做什么
stow -n -v bash

# 一行命令（前提：仓库是公开的，或配好了 SSH key）
git clone https://github.com/you/dotfiles.git ~/dotfiles && ~/dotfiles/install.sh

# 或者用 bootstrap 脚本，连依赖一起装
curl -fsSL https://raw.githubusercontent.com/you/dotfiles/main/bootstrap.sh | bash

#!/usr/bin/env bash
set -euo pipefail

echo "==> 安装基础软件"
sudo apt update
sudo apt install -y git vim tmux curl rsync jq htop btop ncdu mtr stow

echo "==> 拉取 dotfiles"
if [ ! -d "$HOME/dotfiles" ]; then
  git clone https://github.com/you/dotfiles.git "$HOME/dotfiles"
fi

echo "==> 建立软链"
cd "$HOME/dotfiles" && stow bash vim git tmux

echo "==> 完成，请重新登录或 source ~/.bashrc"

# ~/.bashrc 末尾
[ -f "$HOME/.bashrc.local" ] && source "$HOME/.bashrc.local"

export CF_TOKEN="${CF_TOKEN:-}"      # 从外部注入

sudo apt install -y git-crypt
cd dotfiles
git-crypt init
echo "secrets/* filter=git-crypt diff=git-crypt" > .gitattributes
git-crypt export-key ~/dotfiles-key   # 备份密钥

[user]
	name = 白泽
	email = user@example.com

[alias]
	st = status -sb
	co = checkout
	br = branch
	lg = log --oneline --graph --decorate -20
	diff = diff --word-diff
	undo = reset --soft HEAD~1

[core]
	autocrlf = input
	quotepath = false        # 中文文件名不转义

[init]
	defaultBranch = main

[pull]
	rebase = true

alias ll="ls -alhF"
alias ..="cd .."
alias dfh="df -h | grep -vE '^tmpfs|overlay'"
alias ports="ss -lntp"
alias myip="curl -s ifconfig.me"
alias reload="source ~/.bashrc"

# 快速查看 journal
jlog() { journalctl -u "$1" -n 50 --no-pager; }

# 备份文件（而不是直接覆盖）
bk() { cp "$1" "$1.bak-$(date +%m%d)"; }

# 服务器版 .bashrc 我通常只留这几行
export EDITOR=vim
alias ll="ls -alhF"
alias ports="ss -lntp"
alias dush="du -sh * | sort -rh | head"
PS1="[\u@\h \W]\$ "