Add rehash for version already exsit

Author: sinoru

dist/index.js

@@ -33,6 +33,7 @@ async function installSwift(options = {}) {
   core.startGroup('Install swift');
 
   await swiftenv.install(options);
+  await swiftenv.rehash(options);
 
   core.endGroup();
 }

dist/index.js.map

@@ -13,3 +13,13 @@ export async function install(options = {}) {
 
     await exec.exec(commandLine)
 }
+
+export async function rehash(options = {}) {
+    let commandLine = 'swiftenv rehash';
+
+    if (options['debug']) {
+        commandLine += ' --verbose';
+    }
+
+    await exec.exec(commandLine)
+}