fix(core): plugins are always reinstalled (#9675)

packages/opencode/src/bun/index.ts

@@ -6,6 +6,7 @@ import { Filesystem } from "../util/filesystem"
 import { NamedError } from "@opencode-ai/util/error"
 import { readableStreamToText } from "bun"
 import { Lock } from "../util/lock"
+import { PackageRegistry } from "./registry"
 
 export namespace BunProc {
   const log = Log.create({ service: "bun" })
@@ -73,7 +74,17 @@ export namespace BunProc {
     const dependencies = parsed.dependencies ?? {}
     if (!parsed.dependencies) parsed.dependencies = dependencies
     const modExists = await Filesystem.exists(mod)
-    if (dependencies[pkg] === version && modExists) return mod
+    const cachedVersion = dependencies[pkg]
+
+    if (!modExists || !cachedVersion) {
+      // continue to install
+    } else if (version !== "latest" && cachedVersion === version) {
+      return mod
+    } else if (version === "latest") {
+      const isOutdated = await PackageRegistry.isOutdated(pkg, cachedVersion, Global.Path.cache)
+      if (!isOutdated) return mod
+      log.info("Cached version is outdated, proceeding with install", { pkg, cachedVersion })
+    }
 
     const proxied = !!(
       process.env.HTTP_PROXY ||

packages/opencode/src/bun/registry.ts

@@ -0,0 +1,48 @@
+import { readableStreamToText, semver } from "bun"
+import { Log } from "../util/log"
+
+export namespace PackageRegistry {
+  const log = Log.create({ service: "bun" })
+
+  function which() {
+    return process.execPath
+  }
+
+  export async function info(pkg: string, field: string, cwd?: string): Promise<string | null> {
+    const result = Bun.spawn([which(), "info", pkg, field], {
+      cwd,
+      stdout: "pipe",
+      stderr: "pipe",
+      env: {
+        ...process.env,
+        BUN_BE_BUN: "1",
+      },
+    })
+
+    const code = await result.exited
+    const stdout = result.stdout ? await readableStreamToText(result.stdout) : ""
+    const stderr = result.stderr ? await readableStreamToText(result.stderr) : ""
+
+    if (code !== 0) {
+      log.warn("bun info failed", { pkg, field, code, stderr })
+      return null
+    }
+
+    const value = stdout.trim()
+    if (!value) return null
+    return value
+  }
+
+  export async function isOutdated(pkg: string, cachedVersion: string, cwd?: string): Promise<boolean> {
+    const latestVersion = await info(pkg, "version", cwd)
+    if (!latestVersion) {
+      log.warn("Failed to resolve latest version, using cached", { pkg, cachedVersion })
+      return false
+    }
+
+    const isRange = /[\s^~*xX<>|=]/.test(cachedVersion)
+    if (isRange) return !semver.satisfies(latestVersion, cachedVersion)
+
+    return semver.order(cachedVersion, latestVersion) === -1
+  }
+}