feat(core): add managed repository cache (#30408)

packages/core/test/fixture/git.ts

@@ -0,0 +1,49 @@
+import { execFile } from "child_process"
+import fs from "fs/promises"
+import path from "path"
+import { promisify } from "util"
+import { pathToFileURL } from "url"
+import { Repository } from "@opencode-ai/core/repository"
+
+const exec = promisify(execFile)
+
+export async function gitRemote(root: string) {
+  const origin = path.join(root, "origin.git")
+  const source = path.join(root, "source")
+  await git(root, "init", "--bare", origin)
+  await git(root, "init", source)
+  await git(source, "config", "user.email", "test@example.com")
+  await git(source, "config", "user.name", "Test")
+  await fs.writeFile(path.join(source, "README.md"), "one\n")
+  await git(source, "add", "README.md")
+  await git(source, "commit", "-m", "initial")
+  await git(source, "branch", "-M", "main")
+  await git(source, "remote", "add", "origin", pathToFileURL(origin).href)
+  await git(source, "push", "-u", "origin", "main")
+  await git(root, "--git-dir", origin, "symbolic-ref", "HEAD", "refs/heads/main")
+  return {
+    root,
+    source,
+    remote: pathToFileURL(origin).href,
+    reference: { ...Repository.parseRemote("owner/repo"), remote: pathToFileURL(origin).href },
+  }
+}
+
+export async function commit(source: string, content: string, message: string) {
+  await fs.writeFile(path.join(source, "README.md"), content)
+  await git(source, "add", "README.md")
+  await git(source, "commit", "-m", message)
+  await git(source, "push")
+}
+
+export async function branch(source: string, name: string, content: string) {
+  await git(source, "checkout", "-b", name)
+  await fs.writeFile(path.join(source, "README.md"), content)
+  await git(source, "add", "README.md")
+  await git(source, "commit", "-m", name)
+  await git(source, "push", "-u", "origin", name)
+}
+
+export async function git(cwd: string, ...args: string[]) {
+  await exec("git", args, { cwd })
+}