Timo Bingmann 4768f10f53 Add custom script packages with Nix dependency management ...

This commit introduces two new custom script packages: tb-scripts for
all systems and tb-dev-scripts for development machines. These packages
provide a maintainable way to distribute utility scripts across the
infrastructure with proper dependency management.

Created pkgs/ directory with two script collections:

1. **tb-scripts** - General utilities available on all systems:
   - ,jq_reformat: Reformat JSON files in-place with atomic file operations
   - ,rename_lower: Convert filenames to lowercase with validation

2. **tb-dev-scripts** - Development-specific tools:
   - ,cmake_update_fetchcontent: Update CMake FetchContent dependencies

All scripts have been significantly enhanced from their original versions:

- Proper quoting to handle filenames with spaces
- Secure temporary file creation using mktemp
- Atomic file replacement to prevent data loss
- Input validation and comprehensive error handling
- Usage help with -h/--help flag
- Extensive inline comments explaining each section
- Cleanup traps on error

- Complete rewrite in Python for consistency
- Validates files exist before attempting rename
- Checks if target lowercase filename already exists
- Skips files already lowercase (no-op)
- Descriptive error messages for each failure case
- Usage documentation with examples
- Proper exit codes

- Interactive CMake FetchContent dependency updater
- Recursively finds all CMakeLists.txt files via add_subdirectory()
- Queries GitHub API for latest releases/tags
- Compares semantic versions and commit hashes
- Shows available updates in formatted table
- Prompts for confirmation before applying updates
- Atomic file updates with validation

Scripts are packaged using writeShellApplication with proper dependency
injection via runtimeInputs:

- tb-scripts requires: jq, python3
- tb-dev-scripts requires: python3, git

Dependencies are automatically available in PATH when scripts run,
eliminating manual dependency checks.

Created system module files to import the script packages:

- system/default/scripts.nix: Adds tb-scripts to nixosModules.default
- system/develop/scripts.nix: Adds tb-dev-scripts to nixosModules.develop

Updated flake.nix to import these modules in the appropriate contexts.

- Scripts have proper Nix-managed dependencies
- No manual installation or PATH configuration needed
- Easy to extend with additional scripts
- Scripts are validated with shellcheck during build
- Clear separation between all-systems and dev-only utilities
- Comprehensive error handling and user documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-19 05:37:09 -08:00

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