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Manage your dotfiles across multiple machines, securely.

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Manage your dotfiles across multiple machines, securely.

Documentation

  • Install guide to get chezmoi installed on your machine with one or two commands.
  • Quick start guide for your first steps.
  • How-to guide for achieving specific tasks.
  • FAQ for questions that aren't answered elsewhere.
  • Changes for non-backwards compatible changes.
  • Reference for a complete description of chezmoi.
  • Contributing for people looking to contribute to or package chezmoi.

What does chezmoi do and why should I use it?

chezmoi helps you manage your personal configuration files (dotfiles, like ~/.bashrc) across multiple machines.

chezmoi is helpful if you have spent time customizing the tools you use (e.g. shells, editors, and version control systems) and want to keep machines running different accounts (e.g. home and work) and/or different operating systems (e.g. Linux and macOS) in sync, while still being able to easily cope with differences from machine to machine.

chezmoi has strong support for security, allowing you to manage secrets (e.g. passwords, access tokens, and private keys) securely and seamlessly using a password manager of your choice or gpg encryption.

In all cases you only need to maintain a single source of truth: a single branch in a version control system (e.g. git) for everything public and a single password manager for all your secrets.

If you do not personalize your configuration or only ever use a single operating system with a single account and none of your dotfiles contain secrets then you don't need chezmoi. Otherwise, read on...

What are chezmoi's key features?

  • Flexible: You can share as much configuration across machines as you want, while still being able to control machine-specific details. You only need to maintain a single branch. Your dotfiles can be templates (using text/template syntax). Predefined variables allow you to change behaviour depending on operating system, architecture, and hostname.

  • Personal and secure: Nothing leaves your machine, unless you want it to. You can use the version control system of your choice to manage your configuration, and you can write the configuration file in the format of your choice. chezmoi can retrieve secrets from 1Password, Bitwarden, gopass, KeePassXC, LastPass, pass, Vault, Keychain, Keyring, or any command-line utility of your choice. You can encrypt individual files with gpg. You can checkout your dotfiles repo on as many machines as you want without revealing any secrets to anyone.

  • Transparent: chezmoi includes verbose and dry run modes so you can review exactly what changes it will make to your home directory before making them. chezmoi's source format uses only regular files and directories that map one-to-one with the files, directories, and symlinks in your home directory that you choose to manage. If you decide not to use chezmoi in the future, it is easy to move your data elsewhere.

  • Robust: chezmoi updates all files and symbolic links atomically (using google/renameio). You will never be left with incomplete files that could lock you out, even if the update process is interrupted.

  • Declarative: you declare the desired state of files, directories, and symbolic links in your source of truth and chezmoi updates your home directory to match that state. What you want is what you get.

  • Fast and easy to use: chezmoi runs in fractions of a second and makes most day-to-day operations one line commands, including installation, initialization, and keeping your machines up-to-date. chezmoi can pull and apply changes from your dotfiles repo in a single command, and automatically commit and push changes.

I already have a system to manage my dotfiles, why should I use chezmoi?

If you're using any of the following methods:

Then you've probably run into at least one of the following problems:

  • If you want to synchronize your dotfiles across multiple operating systems or distributions, then you may need to manually perform extra steps to cope with differences from machine to machine. You might need to run different commands on different machines, maintain separate per-machine branches or files (with the associated hassle of merging, rebasing, or copying each change), or hope that your custom logic handles the differences correctly. chezmoi uses a single source of truth (a single branch) and a single command that works on every machine. Individual files can be templates to handle machine to machine differences, if needed.

  • If your system stores secrets in plain text, then you must be very careful about where you clone it. If you clone it on your work machine then anyone with access to your work machine (e.g. your IT department) will have access to your home secrets. If you clone it on your home machine then you risk leaking work secrets. With chezmoi you can store secrets in your password manager or encrypt them, and even use different password managers or encryption keys for your work and home machines. You can clone your repository on every machine, and even make your dotfiles repo public, without leaving personal secrets on your work machine or work secrets on your personal machine.

  • If your system was written by you for your personal use, then it probably has the minimum functionality that you need. You might need special logic to handle dotfiles that need to be private or run configuration scripts occasionally. chezmoi includes a huge range of battle-tested functionality out-of-the-box, including dry-run and diff modes, script execution, conflict resolution, Windows support, and much, much more. chezmoi is used by thousands of people, so it is likely that when you hit the limits of your existing dotfile management system, chezmoi already has a tried-and-tested solution ready to use.

  • If your system is written in a scripting language like Python, Perl, or Ruby, then you also need to install that language's runtime before you can use your system. chezmoi is distributed as a single stand-alone statically-linked binary with no dependencies that you can simply copy onto your machine and run. chezmoi provides one-line installs, pre-built binaries, packages for Linux and BSD distributions, Homebrew formulae, Scoop support on Windows, and a initial config file generation mechanism to make installing your dotfiles on a new machine as painless as possible.

What does a chezmoi dotfile repo look like?

Have a look at repos tagged with chezmoi on GitHub. You can also read what has been written about chezmoi.

How do I start with chezmoi?

Install chezmoi then read the quick start guide. The how-to guide covers most common tasks, and there's the frequently asked questions for specific questions. You can browse other people's dotfiles that use chezmoi. For a full description of chezmoi, consult the reference. If all else fails, open an issue.

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MIT

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