From 2c376c5abc764d99ebb62742c6f427c6cf6fbe4d Mon Sep 17 00:00:00 2001
From: Dax Raad <d@ironbay.co>
Date: Thu, 12 Jun 2025 23:39:52 -0400
Subject: [PATCH] bedrock loader

---
 packages/opencode/src/bun/index.ts         | 25 ++++++++++++++++++++++
 packages/opencode/src/provider/provider.ts | 25 +++++++++++++---------
 2 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/packages/opencode/src/bun/index.ts b/packages/opencode/src/bun/index.ts
index bee19a2bf..fc8e7e839 100644
--- a/packages/opencode/src/bun/index.ts
+++ b/packages/opencode/src/bun/index.ts
@@ -1,4 +1,9 @@
+import { z } from "zod"
+import { Global } from "../global"
 import { Log } from "../util/log"
+import path from "path"
+import { NamedError } from "../util/error"
+
 export namespace BunProc {
   const log = Log.create({ service: "bun" })
 
@@ -30,4 +35,24 @@ export namespace BunProc {
   export function which() {
     return process.execPath
   }
+
+  export const InstallFailedError = NamedError.create(
+    "BunInstallFailedError",
+    z.object({
+      pkg: z.string(),
+      version: z.string(),
+    }),
+  )
+  export async function install(pkg: string, version = "latest") {
+    const dir = path.join(Global.Path.cache, `node_modules`, pkg)
+    if (!(await Bun.file(path.join(dir, "package.json")).exists())) {
+      log.info("installing", { pkg })
+      await BunProc.run(["add", `${pkg}@${version}`], {
+        cwd: Global.Path.cache,
+      }).catch(() => {
+        throw new InstallFailedError({ pkg, version })
+      })
+    }
+    return dir
+  }
 }
diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index 687b1484b..a2bdfd5cc 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -48,16 +48,23 @@ export namespace Provider {
         }
       }
       return {
-        source: "oauth",
-        options: {
-          apiKey: "",
-          headers: {
-            authorization: `Bearer ${access}`,
-            "anthropic-beta": "oauth-2025-04-20",
-          },
+        apiKey: "",
+        headers: {
+          authorization: `Bearer ${access}`,
+          "anthropic-beta": "oauth-2025-04-20",
         },
       }
     },
+    "amazon-bedrock": async () => {
+      if (!process.env["AWS_PROFILE"]) return false
+      const { fromNodeProviderChain } = await import(
+        await BunProc.install("@aws-sdk/credential-providers")
+      )
+      return {
+        region: process.env["AWS_REGION"] ?? "us-east-1",
+        credentialProvider: fromNodeProviderChain(),
+      }
+    },
   }
 
   const state = App.state("provider", async () => {
@@ -144,9 +151,7 @@ export namespace Provider {
     // load custom
     for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {
       const result = await fn(database[providerID])
-      if (result) {
-        mergeProvider(providerID, result, "custom")
-      }
+      if (result) mergeProvider(providerID, result, "custom")
     }
 
     // load config