name: Setup OpenCode
description: Install the repository-pinned OpenCode CLI after verifying its archive digest.

runs:
  using: composite
  steps:
    - name: Download and verify OpenCode
      shell: bash
      env:
        OPENCODE_VERSION: v1.17.7
        OPENCODE_SHA256: 60fe5a92dc9af64ec079348fedde17e12da6a867efe7e8353be8038480607924
      run: |
        set -euo pipefail

        archive="${RUNNER_TEMP}/opencode-${OPENCODE_VERSION}.tar.gz"
        curl -fsSL \
          -o "$archive" \
          "https://github.com/anomalyco/opencode/releases/download/${OPENCODE_VERSION}/opencode-linux-x64.tar.gz"
        printf '%s  %s\n' "$OPENCODE_SHA256" "$archive" | sha256sum -c -
        mkdir -p "$HOME/.opencode/bin"
        tar -xzf "$archive" -C "$HOME/.opencode/bin"
        chmod +x "$HOME/.opencode/bin/opencode"
        "$HOME/.opencode/bin/opencode" --version