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feat(core): port GitHub Copilot OAuth (#36336)

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Co-authored-by: Dax Raad <d@ironbay.co>
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opencode-agent[bot] 2026-07-10 21:11:12 -04:00 • committed by GitHub
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4 changed files with 643 additions and 10 deletions
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43
packages/core/test/plugin/provider-github-copilot.test.ts
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@ -5,8 +5,9 @@ import { Catalog } from "@opencode-ai/core/catalog"
import { ModelV2 } from "@opencode-ai/core/model"
import { PluginV2 } from "@opencode-ai/core/plugin"
import { PluginHost } from "@opencode-ai/core/plugin/host"
import { GithubCopilotPlugin } from "@opencode-ai/core/plugin/provider/github-copilot"
import { copilotFetch, GithubCopilotPlugin } from "@opencode-ai/core/plugin/provider/github-copilot"
import { ProviderV2 } from "@opencode-ai/core/provider"
import { Integration } from "@opencode-ai/core/integration"
import type { LanguageModelV3 } from "@ai-sdk/provider"
import { testEffect } from "../lib/effect"
import { PluginTestLayer } from "./fixture"
@ -39,6 +40,46 @@ function fakeSelectorSdk(calls: string[]) {
}
describe("GithubCopilotPlugin", () => {
it.effect("registers GitHub Copilot device OAuth", () =>
Effect.gen(function* () {
yield* addPlugin()
expect((yield* (yield* Integration.Service).get(Integration.ID.make("github-copilot")))?.methods).toContainEqual({
id: Integration.MethodID.make("device"),
type: "oauth",
label: "Login with GitHub Copilot",
prompts: expect.any(Array),
})
}),
)
it.live("adds Copilot authentication and request metadata headers", () =>
Effect.gen(function* () {
const requests: Headers[] = []
const send = copilotFetch(
"token",
async (_input: Parameters<typeof fetch>[0], init?: RequestInit) => {
requests.push(new Headers(init?.headers))
return Response.json({ ok: true })
},
false,
)
yield* Effect.promise(() =>
send("https://api.githubcopilot.com/chat/completions", {
method: "POST",
headers: { "x-api-key": "old" },
body: JSON.stringify({
messages: [{ role: "user", content: [{ type: "image_url", image_url: { url: "data:image/png" } }] }],
}),
}),
)
expect(requests[0]?.get("authorization")).toBe("Bearer token")
expect(requests[0]?.has("x-api-key")).toBe(false)
expect(requests[0]?.get("x-initiator")).toBe("user")
expect(requests[0]?.get("copilot-vision-request")).toBe("true")
expect(requests[0]?.get("x-github-api-version")).toBe("2026-06-01")
}),
)
it.effect("creates the bundled Copilot SDK for the GitHub Copilot package", () =>
Effect.gen(function* () {
const plugin = yield* PluginV2.Service