✨ feat(vscode): 发布分支 git 逻辑（切分支 / 未发布计数 / cherry-pick）

Claude-Session: https://claude.ai/code/session_01HTMgwaE3woqM5yvsHiuSAa

vscode/test/git/release.test.ts

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+import { execFileSync } from 'node:child_process'
+import { promises as fsp, rmSync, writeFileSync } from 'node:fs'
+import * as os from 'node:os'
+import * as path from 'node:path'
+import { afterEach, describe, expect, it } from 'vitest'
+import {
+  cherryPickToRelease,
+  cutRelease,
+  getReleaseStatus,
+  listReleaseBranches,
+  listUnreleasedCommits,
+  normalizeReleasePrefix,
+  pickCurrentRelease,
+  todayReleaseBranch,
+} from '../../src/git/release'
+
+const gitEnv = { ...process.env, GIT_CONFIG_NOSYSTEM: '1', GIT_CONFIG_GLOBAL: '/dev/null', GIT_TERMINAL_PROMPT: '0', GIT_AUTHOR_NAME: 't', GIT_AUTHOR_EMAIL: 't@t', GIT_COMMITTER_NAME: 't', GIT_COMMITTER_EMAIL: 't@t' }
+const git = (cwd: string, args: string[]) => execFileSync('git', ['-C', cwd, ...args], { encoding: 'utf8', env: gitEnv }).trim()
+
+interface Fx { root: string, origin: string, repo: string, peer: string }
+async function setup(): Promise<Fx> {
+  const root = await fsp.mkdtemp(path.join(os.tmpdir(), 'sw-release-'))
+  const origin = path.join(root, 'origin.git')
+  git(root, ['init', '--bare', '-b', 'main', origin])
+  const peer = path.join(root, 'peer')
+  git(root, ['clone', origin, peer])
+  commit(peer, 'a.txt', 'a', 'init')
+  git(peer, ['push', '-u', 'origin', 'main'])
+  const repo = path.join(root, 'repo')
+  git(root, ['clone', origin, repo])
+  return { root, origin, repo, peer }
+}
+function commit(cwd: string, file: string, content: string, msg: string): string {
+  writeFileSync(path.join(cwd, file), `${content}\n`)
+  git(cwd, ['add', file])
+  git(cwd, ['commit', '-m', msg])
+  return git(cwd, ['rev-parse', 'HEAD'])
+}
+let fx: Fx | undefined
+afterEach(() => {
+  if (fx)
+    rmSync(fx.root, { recursive: true, force: true })
+  fx = undefined
+})
+
+describe('纯函数', () => {
+  it('normalizeReleasePrefix', () => {
+    expect(normalizeReleasePrefix('')).toBe('release/')
+    expect(normalizeReleasePrefix(' rel ')).toBe('rel/')
+    expect(normalizeReleasePrefix('release/')).toBe('release/')
+  })
+  it('todayReleaseBranch', () => {
+    expect(todayReleaseBranch('release/', new Date(2026, 7, 31))).toBe('release/2026-08-31')
+  })
+  it('pickCurrentRelease 取前缀内字典序最大', () => {
+    expect(pickCurrentRelease('release/', ['main', 'release/2026-08-01', 'release/2026-08-31', 'hotfix/2027'])).toBe('release/2026-08-31')
+    expect(pickCurrentRelease('release/', ['main'])).toBeUndefined()
+  })
+})
+
+describe('集成', () => {
+  it('无发布分支 → current undefined，unreleased 0', async () => {
+    fx = await setup()
+    const s = await getReleaseStatus({ cwd: fx.repo, devBranch: 'main', prefix: 'release/' })
+    expect(s).toMatchObject({ devBranch: 'main', current: undefined, unreleased: 0 })
+    expect(s.unavailable).toBeUndefined()
+  })
+  it('cutRelease 纯远端切分支，不建本地分支', async () => {
+    fx = await setup()
+    const { repo, origin } = fx
+    await cutRelease({ cwd: repo, devBranch: 'main', branch: 'release/2026-08-31' })
+    expect(git(origin, ['rev-parse', 'release/2026-08-31'])).toBe(git(origin, ['rev-parse', 'main']))
+    expect(() => git(repo, ['rev-parse', '--verify', 'refs/heads/release/2026-08-31'])).toThrow()
+    await expect(cutRelease({ cwd: repo, devBranch: 'main', branch: 'release/2026-08-31' })).rejects.toThrow(/已存在/)
+  })
+  it('unreleased 计数忽略已 cherry-pick 的提交；cherryPickToRelease 推远端并清理 worktree', async () => {
+    fx = await setup()
+    await cutRelease({ cwd: fx.repo, devBranch: 'main', branch: 'release/2026-08-31' })
+    const fix = commit(fx.peer, 'b.txt', 'b', 'fix b')
+    commit(fx.peer, 'c.txt', 'c', 'feat c')
+    git(fx.peer, ['push', 'origin', 'main'])
+    let s = await getReleaseStatus({ cwd: fx.repo, devBranch: 'main', prefix: 'release/' })
+    expect(s).toMatchObject({ current: 'release/2026-08-31', unreleased: 2 })
+    const list = await listUnreleasedCommits({ cwd: fx.repo, devBranch: 'main', current: 'release/2026-08-31' })
+    expect(list.map(c => c.subject)).toEqual(['feat c', 'fix b'])
+    await cherryPickToRelease({ cwd: fx.repo, branch: 'release/2026-08-31', shas: [fix] })
+    expect(git(fx.origin, ['log', '--format=%s', 'release/2026-08-31'])).toBe('fix b\ninit')
+    expect(git(fx.repo, ['worktree', 'list']).split('\n')).toHaveLength(1)
+    s = await getReleaseStatus({ cwd: fx.repo, devBranch: 'main', prefix: 'release/' })
+    expect(s.unreleased).toBe(1)
+  })
+  it('cherry-pick 冲突 → 抛错、远端不变、worktree 已清理', async () => {
+    fx = await setup()
+    await cutRelease({ cwd: fx.repo, devBranch: 'main', branch: 'release/2026-08-31' })
+    commit(fx.peer, 'a.txt', 'a2', 'change a')
+    const conflict = commit(fx.peer, 'a.txt', 'a3', 'change a again')
+    git(fx.peer, ['push', 'origin', 'main'])
+    const before = git(fx.origin, ['rev-parse', 'release/2026-08-31'])
+    await expect(cherryPickToRelease({ cwd: fx.repo, branch: 'release/2026-08-31', shas: [conflict] })).rejects.toThrow(/冲突/)
+    expect(git(fx.origin, ['rev-parse', 'release/2026-08-31'])).toBe(before)
+    expect(git(fx.repo, ['worktree', 'list']).split('\n')).toHaveLength(1)
+  })
+  it('listReleaseBranches 新→旧', async () => {
+    fx = await setup()
+    await cutRelease({ cwd: fx.repo, devBranch: 'main', branch: 'release/2026-08-01' })
+    await cutRelease({ cwd: fx.repo, devBranch: 'main', branch: 'release/2026-08-31' })
+    git(fx.repo, ['fetch', 'origin'])
+    expect(await listReleaseBranches({ cwd: fx.repo, prefix: 'release/' })).toEqual(['release/2026-08-31', 'release/2026-08-01'])
+  })
+})