fix checking supported build options

src/helpers.ts

@@ -34,15 +34,3 @@ export function logError(error: unknown): void {
 		core.info(`Unexpected error type: '${typeof error}'`)
 	}
 }
-
-export async function supportedBuildOptions(argsToTest: string[]): Promise<string[]> {
-	const helpText = await exec('swift', ['build', '--help'])
-	const validArgs: string[] = []
-	for (const arg of argsToTest) {
-		const regex = RegExp(`(${arg})\\s`)
-		if (regex.test(helpText)) {
-			validArgs.push(arg)
-		}
-	}
-	return validArgs
-}

src/installer.ts

@@ -4,7 +4,7 @@ import * as fs from 'fs'
 import * as os from 'os'
 import * as semver from 'semver'
 
-import { exec, getUuid, logError, supportedBuildOptions } from './helpers'
+import { exec, getUuid, logError } from './helpers'
 
 export class SwiftToolInstaller {
 	// Input
@@ -97,8 +97,7 @@ export class SwiftToolInstaller {
 			// They didn't make any difference when building SwiftLint
 			// '--disable-automatic-resolution' caused build error on Linux for realm/[email protected]:
 			//    'cannot update Package.resolved file because automatic resolution is disabled'
-			const additionalOptions = await supportedBuildOptions(['--disable-sandbox'])
-			await exec('swift', ['build', '--package-path', this.workingDirectory, '--configuration', 'release'].concat(additionalOptions))
+			await exec('swift', ['build', '--package-path', this.workingDirectory, '--configuration', 'release', '--disable-sandbox'])
 		})
 	}