add --command to opencode run (#2348)

packages/opencode/src/cli/cmd/run.ts

@@ -10,6 +10,7 @@ import { bootstrap } from "../bootstrap"
 import { MessageV2 } from "../../session/message-v2"
 import { Identifier } from "../../id/id"
 import { Agent } from "../../agent/agent"
+import { Command } from "../../command"
 
 const TOOL: Record<string, [string, string]> = {
   todowrite: ["Todo", UI.Style.TEXT_WARNING_BOLD],
@@ -35,6 +36,10 @@ export const RunCommand = cmd({
         array: true,
         default: [],
       })
+      .option("command", {
+        describe: "the command to run, use message for args",
+        type: "string",
+      })
       .option("continue", {
         alias: ["c"],
         describe: "continue the last session",
@@ -64,12 +69,20 @@ export const RunCommand = cmd({
 
     if (!process.stdin.isTTY) message += "\n" + (await Bun.stdin.text())
 
-    if (message.trim().length === 0) {
-      UI.error("Message cannot be empty")
+    if (message.trim().length === 0 && !args.command) {
+      UI.error("You must provide a message or a command")
       return
     }
 
     await bootstrap({ cwd: process.cwd() }, async () => {
+      if (args.command) {
+        const exists = await Command.get(args.command)
+        if (!exists) {
+          UI.error(`Command "${args.command}" not found`)
+          return
+        }
+      }
+
       const session = await (async () => {
         if (args.continue) {
           const it = Session.list()
@@ -172,6 +185,18 @@ export const RunCommand = cmd({
         UI.error(err)
       })
 
+      if (args.command) {
+        await Session.command({
+          messageID: Identifier.ascending("message"),
+          sessionID: session.id,
+          agent: agent.name,
+          model: providerID + "/" + modelID,
+          command: args.command,
+          arguments: message,
+        })
+        return
+      }
+
       const messageID = Identifier.ascending("message")
       const result = await Session.chat({
         sessionID: session.id,