Fixed race condition for link creation

lib/src/commands/doctor_command.dart

@@ -1,3 +1,4 @@
+import 'package:fvm/src/version.dart';
 import 'package:io/io.dart';
 import 'package:process_run/shell.dart';
 
@@ -33,6 +34,9 @@ class DoctorCommand extends BaseCommand {
       final cacheVersion =
           await CacheService.getByVersionName(project.pinnedVersion!);
       FvmLogger.spacer();
+
+      FvmLogger.info('FVM Version: $packageVersion');
+      FvmLogger.divider();
       FvmLogger.fine('FVM config found:');
       FvmLogger.divider();
       FvmLogger.info('Project: ${project.name}');
@@ -84,6 +88,9 @@ class DoctorCommand extends BaseCommand {
     FvmLogger.info('Dart:');
     FvmLogger.info(dartWhich ?? '');
     FvmLogger.spacer();
+    FvmLogger.info('FVM_HOME:');
+    FvmLogger.info(kEnvVars['FVM_HOME'] ?? 'not set');
+    FvmLogger.spacer();
 
     return ExitCode.success.code;
   }

lib/src/commands/flutter_command.dart

@@ -34,8 +34,7 @@ class FlutterCommand extends BaseCommand {
       // Runs flutter command with pinned version
       return await flutterCmd(cacheVersion, args);
     } else {
-      // Running null will default to flutter version on path
-
+      // Running null will default to flutter version on paths
       return await flutterGlobalCmd(args);
     }
   }

lib/src/services/config_service.dart

@@ -30,7 +30,7 @@ class ConfigService {
 
   /// Updates link for the project SDK from the [config]
   static Future<void> updateSdkLink(FvmConfig config) async {
-    await createLink(config.sdkSymlink, File(config.flutterSdkPath));
+    await createLink(config.sdkSymlink, Directory(config.flutterSdkPath));
   }
 
   /// Saves a fvm [config]

lib/src/utils/helpers.dart

@@ -54,9 +54,18 @@ Future<String> getParentDirPath(String filePath) async {
 /// Creates a symlink from [source] to the [target]
 Future<void> createLink(Link source, FileSystemEntity target) async {
   try {
-    if (await source.exists()) {
+    // Check if needs to do anything
+    // TODO: Move this check higher up the stack
+    final sourceExists = await source.exists();
+    if (sourceExists && await source.target() == target.path) {
+      logger.trace('Link is setup correctly');
+      return;
+    }
+
+    if (sourceExists) {
       await source.delete();
     }
+
     await source.create(
       target.path,
       recursive: true,

pubspec.yaml

@@ -26,8 +26,7 @@ dev_dependencies:
   build_runner: ^2.0.1
   build_version: ^2.0.3
   effective_dart: ^1.3.1
-  cli_pkg:
-    git: https://github.com/leoafarias/dart_cli_pkg
+  cli_pkg: ^1.3.0
 
   grinder: ^0.9.0
   test: ^1.17.2

tool/grind.dart

@@ -1,5 +1,5 @@
-import 'package:grinder/grinder.dart';
 import 'package:cli_pkg/cli_pkg.dart' as pkg;
+import 'package:grinder/grinder.dart';
 
 void main(List<String> args) {
   pkg.name.value = 'fvm';