Ruby debug

What it does

Debugger controls

Its console can evaluate Ruby expressions, inspect program state, control execution, set breakpoints, and activate tracing.checked 9 Oct 2001

Editor integrations

The README describes debugger frontends for VS Code and Chrome DevTools; VS Code use requires the vscode-rdbg extension.checked 9 Oct 2001

Install

The README says to install it with `gem install debug` or add `gem "debug", ">= 1.0.0"` to a Gemfile.checked 9 Oct 2001

IRB console

It can use IRB as the debug console, adding autocompletion, multiline input, and IRB commands such as `show_source` and `show_doc`.checked 9 Oct 2001

License and support

The repository displays a BSD-2-Clause license and invites bug reports and pull requests, while describing the debugger as not mature.checked 9 Oct 2001

Performance

The project says it has no performance penalty when not stepping and no breakpoints are set.checked 9 Oct 2001

Purpose

The library provides debugging functionality for Ruby (MRI) 2.7 and later.checked 9 Oct 2001

Recording and replay

The debugger can record execution and replay it by stepping backward through the execution log.checked 9 Oct 2001

Remote access risk

The README warns that `debug/open_nonstop` can create a vulnerability because it opens debugging access without stopping the program.checked 9 Oct 2001

Remote debugging

It supports remote debugging over UNIX domain sockets or TCP/IP, with a console that can attach to a running debuggee.checked 9 Oct 2001

Ruby program use

The `rdbg` command can launch Ruby scripts or commands such as Rails, Rake, and RSpec under the debugger.checked 9 Oct 2001

Security limitation

The README warns that debugger-to-debuggee messages are not encrypted and advises care when using remote debugging.checked 9 Oct 2001