fix: make bash tool use external_directory perm

packages/opencode/src/tool/bash.ts

@@ -12,6 +12,7 @@ import { Filesystem } from "@/util/filesystem"
 import { Wildcard } from "@/util/wildcard"
 import { Permission } from "@/permission"
 import { fileURLToPath } from "url"
+import path from "path"
 
 const MAX_OUTPUT_LENGTH = 30_000
 const DEFAULT_TIMEOUT = 1 * 60 * 1000
@@ -68,7 +69,8 @@ export const BashTool = Tool.define("bash", {
     if (!tree) {
       throw new Error("Failed to parse command")
     }
-    const permissions = await Agent.get(ctx.agent).then((x) => x.permission.bash)
+    const agent = await Agent.get(ctx.agent)
+    const permissions = agent.permission.bash
 
     const askPatterns = new Set<string>()
     for (const node of tree.rootNode.descendantsOfType("command")) {
@@ -107,9 +109,30 @@ export const BashTool = Tool.define("bash", {
                 : resolved
 
             if (!Filesystem.contains(Instance.directory, normalized)) {
-              throw new Error(
-                `This command references paths outside of ${Instance.directory} so it is not allowed to be executed.`,
-              )
+              const parentDir = path.dirname(normalized)
+              if (agent.permission.external_directory === "ask") {
+                await Permission.ask({
+                  type: "external_directory",
+                  pattern: parentDir,
+                  sessionID: ctx.sessionID,
+                  messageID: ctx.messageID,
+                  callID: ctx.callID,
+                  title: `This command references paths outside of ${Instance.directory}`,
+                  metadata: {
+                    command: params.command,
+                  },
+                })
+              } else if (agent.permission.external_directory === "deny") {
+                throw new Permission.RejectedError(
+                  ctx.sessionID,
+                  "external_directory",
+                  ctx.callID,
+                  {
+                    command: params.command,
+                  },
+                  `This command references paths outside of ${Instance.directory} so it is not allowed to be executed.`,
+                )
+              }
             }
           }
         }