dotfiles/CLAUDE.md

Chezmoi Dotfiles Repository - AI Assistant Guidelines

Repository Context

This is a chezmoi source directory for managing dotfiles across multiple machines. Files here are SOURCE files that get templated and deployed to the home directory.

Key Concepts

Source vs Target Pattern:

• Source: ~/.local/share/chezmoi/home/dot_bashrc.tmpl (what you edit)
• Target: ~/.bashrc (what gets deployed after chezmoi apply)
• Edit source files only. DO NOT modify target files directly.

File Naming Conventions:

• dot_ . (e.g., dot_bashrc becomes ~/.bashrc)
• .tmpl suffix Go template file (rendered with platform detection)
• private_ prefix 600 permissions
• encrypted_*.age age-encrypted files (safe to commit)
• run_onchange_* executable scripts that run during apply

Template System:

• Uses Go templates with platform detection
• Variables: .chezmoi.os, .chezmoi.homeDir, .data.*
• Conditional rendering for Windows/Linux/macOS/WSL

Secret Management:

• Age encryption for sensitive files (recipient: age1s3ctpj9lafl6qwyvd89sn448us7gdzd53d8yyhsc7zny78c0k4sqerrkze)
• Doppler integration for API keys/tokens
• Encryption key bootstrapped via hooks from Doppler

Hooks:

• .init_pre.ts and .update_pre.ts (TypeScript via Bun)
• Bootstrap encryption key from Doppler before apply
• Handle chezmoi init and chezmoi update --init

Critical Restrictions

NEVER Do These Actions

1. DO NOT apply changes to filesystem

   • NO chezmoi apply
   • NO direct file writes to ~/.bashrc, ~/.gitconfig, etc.
   • Changes stay in source directory only

2. DO NOT commit or push automatically

   • NO git commit without explicit user request
   • NO git push on your own
   • Let user review changes first

3. DO NOT embed secrets in plaintext

   • NO API keys, tokens, or passwords in plain text
   • Use Doppler variables: {{ dopplerProjectJson.KEY_NAME }}
   • Use age encryption for sensitive files
   • Reference encryption: encrypted_private_*.age

4. DO NOT verify changes yourself

   • NO running build/test commands unless requested
   • Let user test changes with chezmoi diff or chezmoi apply --dry-run
   • Ask user to verify after making changes

Recommended Actions

1. Edit source files in home/ directory

   • Modify .tmpl files with proper template syntax
   • Respect platform conditionals ({{ if eq .chezmoi.os "windows" }})
   • Maintain existing template structure

2. Explain impact of changes

   • Which target files will be affected
   • Platform-specific behavior
   • What the user should test

3. Suggest verification commands

   • chezmoi diff - preview changes
   • chezmoi apply --dry-run - simulate apply
   • chezmoi status - see what's changed

4. Use templates correctly

   • Platform detection: .chezmoi.os, .data.wsl, .data.chassis
   • Doppler secrets: {{ dopplerProjectJson.SECRET_NAME }}
   • Conditional logic: {{ if }}...{{ else }}...{{ end }}

Common Tasks

Add new dotfile:

# DO NOT run - explain this to user instead
chezmoi add ~/.newconfig
# Edit: home/dot_newconfig or home/dot_newconfig.tmpl

Add sensitive config:

# DO NOT run - explain this to user instead
chezmoi add --encrypt ~/.ssh/config
# Creates: home/private_dot_ssh/encrypted_config.age

Edit existing file:

• Locate source: home/dot_config/nushell/config.nu.tmpl
• Make changes to source file
• User runs: chezmoi apply or chezmoi apply ~/.config/nushell/config.nu

Platform Coverage

• OS: Windows, Linux (WSL/native), macOS
• Shells: bash, fish, nushell, PowerShell
• Tools: 30+ development tools configured (pyenv, bun, cargo, etc.)
• Secrets: Doppler + age encryption

When Uncertain

1. Ask before modifying templates with complex platform logic
2. Clarify secret handling before adding sensitive data
3. Let user verify all changes before suggesting next steps
4. Prefer explanations over automated actions

Extended Documentation

@README.md @TODO.md @FAQ.md @ONBOARDING.md