If where fails on windows, run which instead (#170)

Author: MituuZ

build.gradle.kts

@@ -49,6 +49,9 @@ intellijPlatform {
             <li>
                 Update minimum version to 2026.1
             </li>
+            <li>
+                Add fallback for finding rg with wsl2
+            </li>
         </ul>
     """.trimIndent()
 

changelog.md

@@ -5,6 +5,7 @@
 - Update dependencies
 - Fix ETD errors
 - Update minimum version to 2026.1
+- Add fallback for finding rg with wsl2
 
 ## Version 2.2.1
 

src/main/kotlin/com/mituuz/fuzzier/grep/backend/BackendResolver.kt

@@ -24,6 +24,7 @@
 
 package com.mituuz.fuzzier.grep.backend
 
+import com.intellij.execution.process.ProcessNotCreatedException
 import com.intellij.openapi.components.service
 import com.mituuz.fuzzier.runner.CommandRunner
 import com.mituuz.fuzzier.settings.FuzzierGlobalSettingsService
@@ -47,14 +48,17 @@ class BackendResolver(val isWindows: Boolean) {
         executable: String,
         projectBasePath: String
     ): Boolean {
-        val command = if (isWindows) {
-            listOf("where", executable)
+        val result = if (isWindows) {
+            try {
+                commandRunner.runCommandForOutput(listOf("where", executable), projectBasePath)
+            } catch (_: ProcessNotCreatedException) {
+                // Fallback for WSL2
+                commandRunner.runCommandForOutput(listOf("which", executable), projectBasePath)
+            }
         } else {
-            listOf("which", executable)
+            commandRunner.runCommandForOutput(listOf("which", executable), projectBasePath)
         }
 
-        val result = commandRunner.runCommandForOutput(command, projectBasePath)
-
         return !(result.isNullOrBlank() || result.contains("Could not find files"))
     }
 }