FERRUM

FERRUM is a feature-rich, extensible shell written in C, designed for Linux systems. It offers advanced productivity enhancements, built-in commands, fuzzy search integration, git repository support, and interactive utilities for developers and power users.

Features

• Built-in Shell Commands
  Includes common shell commands (cd, ls, dir, pwd, cat, history, copy, move, mkdir, rmdir, del, touch, clear, ps, etc.) and many custom commands.
• Powerful Directory Bookmarks
  Save, list, and quickly navigate to frequently used directories with bookmark, bookmarks, goto, and unbookmark.
• Alias System
  Define command aliases for faster workflows.
• Interactive Fuzzy Finder
  Integrated fzf support for file, history, and command search.
• Ripgrep Integration
  Perform lightning-fast code search using ripgrep (rg) with interactive fuzzy filtering.
• Tab Completion and Suggestions
  Tab completion for commands and file paths; type a partial command followed by ? for suggestions.
• Command History
  Persistent command history with navigation via arrow keys.
• Focus Timer and Countdown Utility
  Pomodoro-style focus_timer and countdown timers to help manage your work intervals.
• Git Integration
  Status bar displays repository info; built-in commands (git_status, gg) for quick access to common git actions.
• Status Bar
  Dynamic status bar at the bottom of the terminal, including git info and timer display.
• Themes
  Customizable shell color themes.
• Diff Viewer
  Ncurses-powered diff viewer for git changes.
• Weather and City Info
  Fetch weather or favorite cities’ info directly from the shell.
• Extensible Builtins
  Easily add new built-in commands in C.

Installation

Prerequisites

• GCC (or compatible C compiler)
• ncurses library (libncurses-dev or equivalent)
• fzf (optional, for fuzzy finding)
• ripgrep (optional, for fast code search)

Build Instructions

Clone the repository and build:

git clone https://github.com/marcusDenslow/FERRUM.git
cd FERRUM
make

This will produce the shell executable: shell

Dependencies

• fzf: For interactive fuzzy finding.
  • Install with:
    git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf && ~/.fzf/install
• ripgrep: For fast code search.
  • Install with:
    sudo apt install ripgrep

Usage

Start the shell:

./shell

Common Built-in Commands

• cd <dir>: Change directory
• ls or dir: List files in current directory
• pwd: Print working directory
• cat <file>: View file contents
• history: Show command history
• bookmark <name>: Bookmark current directory
• bookmarks: List all bookmarks
• goto <name>: Jump to bookmarked directory
• alias <name> <command>: Create a command alias
• grep <pattern>: Search files with grep
• ripgrep <pattern>: Search files with ripgrep
• fzf: Launch fuzzy finder
• git_status: Show git repo status
• gg <command>: Quick git commands (s=status, c=commit, p=pull, etc.)
• focus_timer <minutes>: Start a focus timer
• theme <name>: Change shell theme

Type help or help <command> for detailed information on any command.

Advanced Features

• Tab completion: Use Tab to auto-complete commands and paths.
• Command suggestions: Type a partial command + ? for suggestions.
• Status bar: Shows useful info at the bottom of your terminal.

Extending FERRUM

• Add new built-in commands in builtins.c and builtins.h.
• Extend fuzzy and ripgrep functionality in fzf_native.c, ripgrep.c.

Contribution

Contributions, suggestions, and bug reports are welcome!

1. Fork the repository.
2. Create a new feature branch.
3. Make your changes.
4. Submit a pull request.

Please follow the style and structure of existing code.

FERRUM: Your productivity shell for the modern terminal.
GitHub Repository