rtk-ai/rtk

rtk fails to handle --pcre2 flag when agent tries to use rg

Open

#1,651 opened on Apr 30, 2026

View on GitHub
 (1 comment) (0 reactions) (0 assignees)Rust (2,914 forks)batch import
area:clibugeffort-smallfilter-qualitygood first issuepriority:medium

Repository metrics

Stars
 (48,085 stars)
PR merge metrics
 (Avg merge 11d 1h) (45 merged PRs in 30d)

Description

$ rtk grep -n --pcre2 "e2e-tests(?!-v2)"
/usr/bin/grep: unrecognized option '--pcre2'
Usage: grep [OPTION]... PATTERNS [FILE]...
Try 'grep --help' for more information.

Contributor guide

Research direction
Investigate how the agent decides between using grep and rg, and ensure that the pcre2 flag is only passed to rg, not to grep.
Tech stack
rust
Domain
cli
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RustGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70