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Initial shared NixOS modules

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This commit is contained in:
Timo Bingmann
2025-06-23 17:44:56 -07:00
commit 1061e07deb
11 changed files with 464 additions and 0 deletions
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{
"nodes": {
"nixpkgs": {
"locked": {
"lastModified": 1750506804,
"narHash": "sha256-VLFNc4egNjovYVxDGyBYTrvVCgDYgENp5bVi9fPTDYc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "4206c4cb56751df534751b058295ea61357bbbaa",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
description = "Timo's Shared Nix Modules";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
};
outputs = { self, nixpkgs, ... }:
{
# System Modules
nixosModules.default = { ... }: {
imports = [
./system/default/editor.nix
./system/default/nix.nix
./system/default/packages.nix
./system/default/system.nix
];
};
# Home Manager Modules
homeManagerModules.default = { ... }: {
imports = [
./home/default/bash.nix
./home/default/basic.nix
./home/default/direnv.nix
./home/default/git.nix
];
};
homeManagerModules.develop = { ... }: {
imports = [
./home/develop/emacs.nix
];
};
};
}

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{ ... }:
{
programs.bash = {
enable = true;
historyFileSize = 2000000000;
historySize = 100000000;
shellOptions = [ "histappend" "cmdhist" ];
historyControl = [ "ignoredups" "ignorespace" ];
};
}

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home/default/basic.nix Normal file
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{ config, lib, ... }:
{
# Let Home Manager install and manage itself.
programs.home-manager.enable = true;
# Home Manager needs a bit of information about you and the paths it should manage.
home.username = lib.mkDefault "tb";
home.homeDirectory = lib.mkDefault "/home/${config.home.username}";
}

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{ ... }:
{
programs.direnv = {
enable = true;
enableBashIntegration = true;
nix-direnv = {
enable = true;
};
};
}

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{ ... }:
{
programs.git = {
enable = true;
lfs.enable = true;
extraConfig = {
pull.ff = "only";
merge.conflictstyle = "zdiff3";
init.defaultBranch = "main";
diff.algorithm = "histogram";
transfer.fsckobjects = true;
fetch.fsckobjects = true;
receive.fsckObjects = true;
log.date = "iso";
};
};
}

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{ ... }:
{
programs.emacs = {
enable = true;
# Optionally provide extra packages not in the configuration file.
extraPackages = epkgs: with epkgs; [
# === SEARCH AND FILE UTILITIES ===
ag # Silver searcher integration for fast text search
# === WEB AND SERVER CONFIGURATION ===
apache-mode # Syntax highlighting for Apache config files
nginx-mode # Syntax highlighting for Nginx config files
# === HARDWARE AND EMBEDDED DEVELOPMENT ===
arduino-mode # Arduino sketch development support
# === DOCUMENT PREPARATION ===
auctex # Comprehensive LaTeX editing environment
pandoc-mode # Pandoc document converter integration
# === PROGRAMMING LANGUAGE SUPPORT ===
basic-mode # BASIC programming language support
bison-mode # Bison parser generator syntax
cmake-mode # CMake build system configuration
coffee-mode # CoffeeScript programming language
csharp-mode # C# programming language
groovy-mode # Groovy/Jenkins pipeline scripting
haskell-mode # Haskell functional programming
js2-mode # Enhanced JavaScript editing mode
lua-mode # Lua scripting language
php-mode # PHP web development
python-mode # Python programming language
scala-mode # Scala programming language
# === MARKUP AND DATA FORMATS ===
csv-mode # Comma-separated values file editing
dockerfile-mode # Docker container definition files
jinja2-mode # Jinja2 template engine syntax
markdown-mode # Markdown markup language
nix-mode # Nix expression language (NixOS configs)
protobuf-mode # Protocol Buffers schema definitions
qml-mode # Qt QML user interface markup
yaml-mode # YAML configuration files
gnuplot-mode # Gnuplot script editing and plotting integration
# === TEXT COMPLETION AND PRODUCTIVITY ===
company # Text completion framework
smex # Enhanced M-x command with history
# === USER INTERFACE ENHANCEMENTS ===
diminish # Hide minor modes from the mode line
smooth-scrolling # Smoother scrolling experience
rainbow-delimiters # Color-code nested parentheses/brackets
# === ENVIRONMENT AND PROJECT MANAGEMENT ===
direnv # Environment variable management per directory
projectile # Project interaction and navigation library
# === LANGUAGE SERVER PROTOCOL (LSP) ===
# Modern language support with intelligent features
eglot # Built-in LSP client (simpler alternative to lsp-mode)
lsp-mode # Comprehensive Language Server Protocol client
lsp-java # Java language server integration
lsp-metals # Scala language server (Metals) integration
eglot-java # Java support for eglot LSP client
sbt-mode # Scala Build Tool integration
dap-mode # Debug Adapter Protocol for debugging support
# === SYNTAX CHECKING ===
flycheck # On-the-fly syntax checking framework
# === VERSION CONTROL ===
git-link # Generate links to Git repository web interfaces
magit # Comprehensive Git porcelain for Emacs
# === TEXT EDITING ENHANCEMENTS ===
goto-last-change # Jump to the location of last edit
iedit # Edit multiple occurrences of text simultaneously
bm # Visual bookmarks for quick navigation
# === CODE FORMATTING AND CLEANUP ===
web-beautify # Format and beautify web code (HTML/CSS/JS)
whitespace-cleanup-mode # Automatically clean up whitespace on save
# === PARENTHESES AND STRUCTURE EDITING ===
paredit # Balanced parentheses editing for Lisp-like languages
smartparens # Smart handling of pairs (parentheses, quotes, etc.)
# === SNIPPETS AND TEMPLATES ===
yasnippet # Template system for inserting code snippets
quelpa-use-package # Package management for packages not in MELPA
# === VISUAL THEMES ===
grandshell-theme # Dark theme with good contrast
leuven-theme # Light theme designed for readability
# === TREE-SITTER GRAMMARS ===
# Modern syntax highlighting and parsing using tree-sitter
treesit-grammars.with-all-grammars # All available tree-sitter language grammars
# === TREE-SITTER BASED MODES ===
# These modes use tree-sitter for better performance and accuracy
awk-ts-mode # AWK script editing with tree-sitter
dart-mode # Dart programming (Flutter development)
graphql-ts-mode # GraphQL query language with tree-sitter
jq-ts-mode # jq JSON processor with tree-sitter
markdown-ts-mode # Markdown with tree-sitter parsing
mermaid-ts-mode # Mermaid diagram syntax with tree-sitter
scala-ts-mode # Scala with tree-sitter (alternative to scala-mode)
swift-ts-mode # Swift programming with tree-sitter
#"dired+"
#dired-copy-paste
#frame-cmds
#frame-fns
#sourcepair
#zoom-frm
];
extraConfig = ''
(setq standard-indent 2)
(load-theme 'grandshell t)
'';
};
}

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{ ... }:
{
# Configure nano as a more user-friendly editor
environment.variables = {
EDITOR = "nano";
VISUAL = "nano";
};
}

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{ ... }:
{
# Nix package manager configuration
nix = {
settings = {
# Enable experimental features for modern Nix functionality
# - "nix-command": Enables the new unified 'nix' command interface
# - "flakes": Enables Nix flakes for reproducible and composable configurations
experimental-features = "nix-command flakes";
# Specify which users are allowed to run nix commands
allowed-users = [ "tb" ];
# Users who can act as trusted users (can override settings)
# Trusted users can use --option flags and import from derivations
trusted-users = [ "root" "tb" ];
# Show more lines of build output on failure
log-lines = 50;
};
# Automatic garbage collection configuration
# Helps manage disk space by cleaning up unused store paths
gc = {
# Enable automatic garbage collection
automatic = true;
# Delete store paths older than 30 days during garbage collection
options = "--delete-older-than 30d";
};
# Automatic store optimization configuration
# Reduces disk usage by hard-linking identical files in the Nix store
optimise = {
# Enable automatic store optimization
# This deduplicates files to save disk space
automatic = true;
# Run optimization weekly
dates = [ "weekly" ];
};
};
# Nixpkgs package collection configuration
nixpkgs = {
config = {
# Allow installation of packages with non-free licenses
# This includes proprietary software like Discord, Slack, etc.
# Without this, only free/open-source packages can be installed
allowUnfree = true;
# Allow packages marked as broken (use with caution)
#allowBroken = false;
};
};
}

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# Default commandline utility packages.
# These are installed on all systems for essential functionality.
# Organized by category for maintainability.
{ config, pkgs, ... }: {
environment.systemPackages = with pkgs; [
# === CORE SYSTEM UTILITIES ===
# Essential command-line tools for basic system operations
bc # Command-line calculator
coreutils # Basic file, shell and text manipulation utilities
file # Determine file types
which # Locate commands in PATH
# === TEXT EDITORS AND VIEWERS ===
# Basic text editing and viewing capabilities
nano # Simple, user-friendly text editor
# === VERSION CONTROL ===
# Source code management
git # Distributed version control system
# === SEARCH AND FILTERING ===
# Tools for finding and processing text/files
gnugrep # Pattern matching and text search
ripgrep # Fast text search tool (rg)
# === FILE MANAGERS ===
# Interactive file management
mc # Midnight Commander - text-based file manager
# === NETWORK UTILITIES ===
# Network diagnostics and file transfer
curl # Command-line HTTP client
nmap # Network exploration and security auditing
openssl # Cryptographic toolkit and SSL/TLS library
wget # File downloader
# === SYNC AND BACKUP ===
# File synchronization and backup tools
rclone # Cloud storage sync tool
rsync # Fast, versatile file copying tool
# === FILE UTILITIES ===
# File manipulation and organization
jq # JSON processor
ncdu # Disk usage analyzer with ncurses interface
pv # Progress viewer for data through pipes
renameutils # Bulk file renaming utilities
# === COMPRESSION AND ARCHIVES ===
# Support for various compression formats
lzip # Lzip compression
pigz # Parallel gzip implementation
unzip # Extract ZIP archives
xz # XZ compression utilities
zip # Create ZIP archives
zstd # Zstandard compression
# === SYSTEM MONITORING ===
# Performance monitoring and system information
bmon # Network bandwidth monitor
htop # Interactive process viewer
lsof # List open files and network connections
# === TERMINAL AND SHELL ===
# Terminal functionality and shell tools
screen # Terminal multiplexer
rxvt-unicode-unwrapped.terminfo # Terminal info for urxvt
# === DEVELOPMENT TOOLS ===
# Development and debugging utilities
xxd # Hex dump utility
# === HARDWARE UTILITIES ===
# Hardware information and diagnostics
lshw # Hardware information tool
pciutils # PCI bus utilities (lspci)
smartmontools # Hard drive health monitoring
# === DISK AND STORAGE ===
# Storage testing and management
disk-filltest # Disk testing utility
] ++ (if pkgs.stdenv.isLinux then [
# === LINUX-SPECIFIC PACKAGES ===
# Packages that are only available/useful on Linux systems
# --- KERNEL AND SYSTEM ---
config.boot.kernelPackages.cpupower # CPU frequency utilities
# --- NETWORK ADMINISTRATION ---
iptables # Firewall administration
ethtool # Ethernet device configuration
# --- HARDWARE MANAGEMENT ---
hdparm # Hard disk parameter tuning
usbutils # USB device utilities (lsusb)
dmidecode # DMI/SMBIOS information
# --- PROCESS AND SYSTEM MONITORING ---
iotop # I/O monitoring by process
psmisc # Additional process utilities (killall, pstree)
# --- COMPRESSION (Linux-specific) ---
unrar # Extract RAR archives (non-free)
# --- FILE SYSTEM UTILITIES ---
inotify-tools # File system event monitoring
sshfs # Mount remote filesystems over SSH
] else [
]) ++ (if pkgs.stdenv.isDarwin then [
# === MACOS-SPECIFIC PACKAGES ===
# Packages specifically for macOS systems
# Currently empty - add macOS-specific tools here as needed
# Examples: darwin.apple_sdk.frameworks.Security
] else []);
}

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{ ... }:
{
# Environment package management
# Remove unnecessary default packages to keep system minimal
# Default packages usually include basic utilities that might not be needed
environment.defaultPackages = [ ];
# Clean up temporary files on every boot
# This prevents /tmp from accumulating old files and filling up
boot.tmp.cleanOnBoot = true;
# Disable coredumps to prevent filling up /var/lib/systemd/coredump/
# Coredumps can quickly consume large amounts of disk space
systemd.coredump.enable = false;
}