Add a skip-go-installation to use pre-installed Go (#144)

* update package-lock.json

* Add skip-go-installation to use pre-installed Go

Add the golangci-lint to PATH

src/install.ts

@@ -56,6 +56,12 @@ export async function installLint(versionConfig: VersionConfig): Promise<string>
 }
 
 export async function installGo(): Promise<void> {
+  const skipGoInstallation = core.getInput(`skip-go-installation`, { required: true }).trim()
+  if (skipGoInstallation.toLowerCase() == "true") {
+    core.info(`Skipping the installation of Go`)
+    return
+  }
+
   const startedAt = Date.now()
   process.env[`INPUT_GO-VERSION`] = `1`
   await setupGo()

src/run.ts

@@ -187,6 +187,7 @@ async function runLint(lintPath: string, patchPath: string): Promise<void> {
 export async function run(): Promise<void> {
   try {
     const { lintPath, patchPath } = await core.group(`prepare environment`, prepareEnv)
+    core.addPath(path.dirname(lintPath))
     await core.group(`run golangci-lint`, () => runLint(lintPath, patchPath))
   } catch (error) {
     core.error(`Failed to run: ${error}, ${error.stack}`)