release: v0.1.23

- Check file size >10KB to filter out placeholder files
- Check cached binary first
- Then npm package paths with validation
- Homebrew paths as last resort
- Fixes SIGTRAP/ENOEXEC from invalid binaries

package.json

@@ -1,6 +1,6 @@
 {
   "name": "oh-my-opencode",
-  "version": "0.1.19",
+  "version": "0.1.23",
   "description": "OpenCode plugin - custom agents (oracle, librarian) and enhanced features",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/tools/ast-grep/constants.ts

@@ -1,10 +1,18 @@
 import { createRequire } from "module"
 import { dirname, join } from "path"
-import { existsSync } from "fs"
+import { existsSync, statSync } from "fs"
 import { getCachedBinaryPath } from "./downloader"
 
 type Platform = "darwin" | "linux" | "win32" | "unsupported"
 
+function isValidBinary(filePath: string): boolean {
+  try {
+    return statSync(filePath).size > 10000
+  } catch {
+    return false
+  }
+}
+
 function getPlatformPackageName(): string | null {
   const platform = process.platform as Platform
   const arch = process.arch
@@ -25,13 +33,18 @@ function getPlatformPackageName(): string | null {
 export function findSgCliPathSync(): string | null {
   const binaryName = process.platform === "win32" ? "sg.exe" : "sg"
 
+  const cachedPath = getCachedBinaryPath()
+  if (cachedPath && isValidBinary(cachedPath)) {
+    return cachedPath
+  }
+
   try {
     const require = createRequire(import.meta.url)
     const cliPkgPath = require.resolve("@ast-grep/cli/package.json")
     const cliDir = dirname(cliPkgPath)
     const sgPath = join(cliDir, binaryName)
 
-    if (existsSync(sgPath)) {
+    if (existsSync(sgPath) && isValidBinary(sgPath)) {
       return sgPath
     }
   } catch {
@@ -47,7 +60,7 @@ export function findSgCliPathSync(): string | null {
       const astGrepName = process.platform === "win32" ? "ast-grep.exe" : "ast-grep"
       const binaryPath = join(pkgDir, astGrepName)
 
-      if (existsSync(binaryPath)) {
+      if (existsSync(binaryPath) && isValidBinary(binaryPath)) {
         return binaryPath
       }
     } catch {
@@ -58,17 +71,12 @@ export function findSgCliPathSync(): string | null {
   if (process.platform === "darwin") {
     const homebrewPaths = ["/opt/homebrew/bin/sg", "/usr/local/bin/sg"]
     for (const path of homebrewPaths) {
-      if (existsSync(path)) {
+      if (existsSync(path) && isValidBinary(path)) {
         return path
       }
     }
   }
 
-  const cachedPath = getCachedBinaryPath()
-  if (cachedPath) {
-    return cachedPath
-  }
-
   return null
 }
 

src/tools/ast-grep/tools.ts

@@ -15,10 +15,12 @@ function getEmptyResultHint(pattern: string, lang: CliLanguage): string | null {
 
   if (lang === "python") {
     if (src.startsWith("class ") && src.endsWith(":")) {
-      return `💡 Hint: Python class patterns need body. Try "class $NAME" or include body with $$$BODY`
+      const withoutColon = src.slice(0, -1)
+      return `💡 Hint: Remove trailing colon. Try: "${withoutColon}"`
     }
     if ((src.startsWith("def ") || src.startsWith("async def ")) && src.endsWith(":")) {
-      return `💡 Hint: Python function patterns need body. Try "def $FUNC($$$):\\n    $$$BODY"`
+      const withoutColon = src.slice(0, -1)
+      return `💡 Hint: Remove trailing colon. Try: "${withoutColon}"`
     }
   }