Glob scans broad path despite a literal pattern prefix #46571

Description

Glob can appear stuck when path is broad even if pattern starts with known literal directories. For example:

path: /Users/giampaolocasolla
pattern: .claude/plugins/*

On 1.18.25 this traverses the full home directory because path becomes ripgrep's working directory and pattern is only passed as a filter. Narrowing the traversal root to the literal prefix makes the call immediate.

I can contribute a focused fix that extracts safe literal directory prefixes before invoking ripgrep, preserves anchored glob semantics, and adds equivalence tests. Would that direction be acceptable for a PR? Related closed reports: #29437 and #33540.

Plugins

oh-my-opencode-slim, opencode-cmux, and local plugins. The behavior is in the native Glob implementation.

OpenCode version

1.18.25

Steps to reproduce

1. Run Glob with path set to a large home directory.
2. Set pattern to a narrow literal prefix such as .claude/plugins/*.
3. Observe that Glob traverses unrelated directories and can take minutes.
4. Run the equivalent call with path: /Users/giampaolocasolla/.claude/plugins and pattern: /*; it completes immediately.

Operating System

macOS 26.6.2

Terminal

OpenChamber