SDK: support working directory and skipGitRepoCheck options (#4563)

Make options not required, add support for working directory and
skipGitRepoCheck options on the turn

sdk/typescript/src/codex.ts

@@ -6,7 +6,7 @@ export class Codex {
   private exec: CodexExec;
   private options: CodexOptions;
 
-  constructor(options: CodexOptions) {
+  constructor(options: CodexOptions = {}) {
     this.exec = new CodexExec(options.codexPathOverride);
     this.options = options;
   }

sdk/typescript/src/codexOptions.ts

@@ -2,4 +2,5 @@ export type CodexOptions = {
   codexPathOverride?: string;
   baseUrl?: string;
   apiKey?: string;
+  workingDirectory?: string;
 };

sdk/typescript/src/exec.ts

@@ -12,8 +12,14 @@ export type CodexExecArgs = {
   baseUrl?: string;
   apiKey?: string;
   threadId?: string | null;
+  // --model
   model?: string;
+  // --sandbox
   sandboxMode?: SandboxMode;
+  // --cd
+  workingDirectory?: string;
+  // --skip-git-repo-check
+  skipGitRepoCheck?: boolean;
 };
 
 export class CodexExec {
@@ -33,12 +39,18 @@ export class CodexExec {
       commandArgs.push("--sandbox", args.sandboxMode);
     }
 
-    if (args.threadId) {
-      commandArgs.push("resume", args.threadId, args.input);
-    } else {
-      commandArgs.push(args.input);
+    if (args.workingDirectory) {
+      commandArgs.push("--cd", args.workingDirectory);
     }
 
+    if (args.skipGitRepoCheck) {
+      commandArgs.push("--skip-git-repo-check");
+    }
+
+    if (args.threadId) {
+      commandArgs.push("resume", args.threadId);
+    } 
+
     const env = {
       ...process.env,
     };
@@ -55,11 +67,25 @@ export class CodexExec {
 
     let spawnError: unknown | null = null;
     child.once("error", (err) => (spawnError = err));
+    
+    if (!child.stdin) {
+      child.kill();
+      throw new Error("Child process has no stdin");
+    }
+    child.stdin.write(args.input);
+    child.stdin.end();
 
     if (!child.stdout) {
       child.kill();
       throw new Error("Child process has no stdout");
     }
+    const stderrChunks: Buffer[] = [];
+
+    if (child.stderr) {
+      child.stderr.on("data", (data) => {
+        stderrChunks.push(data);
+      });
+    }
 
     const rl = readline.createInterface({
       input: child.stdout,
@@ -72,12 +98,13 @@ export class CodexExec {
         yield line as string;
       }
 
-      const exitCode = new Promise((resolve) => {
-        child.once("exit", (code) => { 
+      const exitCode = new Promise((resolve, reject) => {
+        child.once("exit", (code) => {
           if (code === 0) {
             resolve(code);
           } else {
-            throw new Error(`Codex Exec exited with code ${code}`);
+            const stderrBuffer = Buffer.concat(stderrChunks);
+            reject(new Error(`Codex Exec exited with code ${code}: ${stderrBuffer.toString('utf8')}`));
           }
         });
       });

sdk/typescript/src/thread.ts

@@ -41,6 +41,8 @@ export class Thread {
       threadId: this.id,
       model: options?.model,
       sandboxMode: options?.sandboxMode,
+      workingDirectory: options?.workingDirectory,
+      skipGitRepoCheck: options?.skipGitRepoCheck,
     });
     for await (const item of generator) {
       const parsed = JSON.parse(item) as ThreadEvent;

sdk/typescript/src/turnOptions.ts

@@ -5,4 +5,6 @@ export type SandboxMode = "read-only" | "workspace-write" | "danger-full-access"
 export type TurnOptions = {
   model?: string;
   sandboxMode?: SandboxMode;
+  workingDirectory?: string;
+  skipGitRepoCheck?: boolean;
 };