fix: Add override OS and linux default

src/index.ts

@@ -2,15 +2,13 @@ import * as fs from 'fs';
 import * as https from 'https';
 import * as path from 'path';
 
-import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 
 import buildExec from './buildExec';
 import {
-  BASEURL,
+  getBaseUrl,
   getPlatform,
   getUploaderName,
-  isValidPlatform,
   setFailure,
 } from './helpers';
 
@@ -19,18 +17,11 @@ import verify from './validate';
 let failCi;
 
 try {
-  const {execArgs, options, failCi} = buildExec();
-  const platform = getPlatform();
-  core.info(`==> ${platform} OS detected`);
+  const {execArgs, options, failCi, os} = buildExec();
+  const platform = getPlatform(os);
 
-  if (!isValidPlatform()) {
-    setFailure(
-        `Codecov: Encountered an unexpected platform: ${platform}`,
-        failCi,
-    );
-  }
-  const filename = path.join( __dirname, getUploaderName());
-  https.get(BASEURL, (res) => {
+  const filename = path.join( __dirname, getUploaderName(platform));
+  https.get(getBaseUrl(platform), (res) => {
     // Image will be stored at this path
     const filePath = fs.createWriteStream(filename);
     res.pipe(filePath);
@@ -43,7 +34,7 @@ try {
         }).on('finish', async () => {
           filePath.close();
 
-          await verify(filename);
+          await verify(filename, platform);
           await fs.chmodSync(filename, '777');
 
           const unlink = () => {