Downgrading versions using install script does not work

[kotarCreative]

Description

When using the example provided in the install script to select the version to install it still installs the latest version.

Plugins

None

OpenCode version

1.4.10

Steps to reproduce

1. Run curl -fsSL https://opencode.ai/install | bash -s -- --version 1.4.8
2. Run opencode --version

Screenshot and/or share link

No response

Operating System

macOS 26.4.1

Terminal

Ghostty