集成: GitHub Action

name: "opencode GitHub Action"
description: "Run opencode in GitHub Actions workflows"
 
inputs:
  model:
    description: "Model to use (e.g., anthropic/claude-sonnet-4-20250514)"
    required: true
  agent:
    description: "Agent to use (must be primary agent)"
    required: false
  share:
    description: "Share session link (default: true for public repos)"
    required: false
  mentions:
    description: "Trigger phrases (default: /opencode,/oc)"
    required: false
 
runs:
  using: "composite"
  steps:
    - name: Install opencode
      run: curl -fsSL https://opencode.ai/install | bash
    - name: Run opencode
      run: opencode github run
      env:
        MODEL: ${{ inputs.model }}

function createOpencode() {
  const host = "127.0.0.1"
  const port = 4096
  const url = `http://${host}:${port}`
  
  // 在 Action Runner 中启动 Server 进程
  const proc = spawn(`opencode`, [`serve`, `--hostname=${host}`, `--port=${port}`])
  const client = createOpencodeClient({ baseUrl: url })
 
  return { server: { url, close: () => proc.kill() }, client }
}

if (isPullRequest()) {
  const prData = await fetchPR()
  
  if (prData.headRepository === prData.baseRepository) {
    // 本地 PR: 直接 push 到 head 分支
    await checkoutLocalBranch(prData)
    const response = await chat(userPrompt)
    if (await branchIsDirty()) {
      await pushToLocalBranch(summary)
    }
  } else {
    // Fork PR: push 到 fork 仓库
    await checkoutForkBranch(prData)
    const response = await chat(userPrompt)
    if (await branchIsDirty()) {
      await pushToForkBranch(summary, prData)
    }
  }
} else {
  // Issue: 创建新分支并开 PR
  const branch = await checkoutNewBranch()
  const response = await chat(userPrompt)
  if (await branchIsDirty()) {
    await createPR(defaultBranch, branch, summary, response)
  }
}

function buildPromptDataForPR(pr: GitHubPullRequest): string {
  return `
## Pull Request Context
 
**Title**: ${pr.title}
**Author**: ${pr.author.login}
**Base**: ${pr.baseRefName} ← **Head**: ${pr.headRefName}
**State**: ${pr.state}
 
### Description
${pr.body}
 
### Changed Files (${pr.additions}+ / ${pr.deletions}-)
${pr.files.nodes.map(f => `- ${f.path} (+${f.additions} -${f.deletions})`).join('\n')}
 
### Recent Commits
${pr.commits.nodes.map(c => `- ${c.commit.message}`).join('\n')}
 
### Review Comments
${pr.reviews.nodes.map(r => `**${r.author.login}**: ${r.body}`).join('\n')}
  `
}

async function subscribeSessionEvents() {
  const response = await fetch(`${server.url}/event`)
  const reader = response.body.getReader()
 
  while (true) {
    const { done, value } = await reader.read()
    if (done) break
 
    const chunk = decoder.decode(value)
    for (const line of chunk.split("\n")) {
      if (!line.startsWith("data: ")) continue
      const evt = JSON.parse(line.slice(6))
 
      if (evt.type === "message.part.updated") {
        const part = evt.properties.part
        if (part.type === "tool" && part.state.status === "completed") {
          // 在 Action 日志中显示工具进度
          console.log(`| ${part.tool.padEnd(7)} | ${part.state.title}`)
        }
      }
    }
  }
}

function generateBranchName(type: "issue" | "pr") {
  const timestamp = new Date()
    .toISOString()
    .replace(/[:-]/g, "")
    .split("T")
    .join("")
  return `opencode/${type}${useIssueId()}-${timestamp}`
}
// 例如: opencode/issue42-20260106163000

// 匹配 GitHub 图片 URL
const imgMatches = prompt.matchAll(
  /!\[.*?\]\((https:\/\/github\.com\/user-attachments\/[^)]+)\)/gi
)
 
for (const match of imgMatches) {
  // 下载图片
  const res = await fetch(url, {
    headers: { Authorization: `Bearer ${accessToken}` }
  })
  // 替换为本地引用
  prompt = prompt.replace(match[0], `@${filename}`)
  // 将图片作为附件传给 LLM
  promptFiles.push({
    filename,
    mime: contentType,
    content: Buffer.from(await res.arrayBuffer()).toString("base64"),
  })
}

async function assertPermissions() {
  const { actor, repo } = useContext()
  
  const response = await octoRest.repos.getCollaboratorPermissionLevel({
    owner: repo.owner,
    repo: repo.repo,
    username: actor,
  })
 
  // 只有 admin 或 write 权限的用户才能触发
  if (!["admin", "write"].includes(response.data.permission)) {
    throw new Error(`User ${actor} does not have write permissions`)
  }
}

# .github/workflows/opencode.yml
name: OpenCode
on:
  issue_comment:
    types: [created]
  pull_request_review_comment:
    types: [created]
 
jobs:
  opencode:
    if: contains(github.event.comment.body, '/opencode') || contains(github.event.comment.body, '/oc')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      issues: write
      pull-requests: write
      id-token: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: anomalyco/opencode@main
        with:
          model: "anthropic/claude-sonnet-4-20250514"