enforce .zip extension on download item (#170)

forces a .zip extension on the downloaded item due to inconsistent windows behavior in unzipping files with no extension
upstream issue: actions/toolkit#1179

package.json

@@ -26,13 +26,15 @@
     "azure-actions-webclient": "^1.0.3",
     "glob": "^7.1.4",
     "mssql": "^8.1.0",
+    "uuid": "^3.3.2",
     "winreg": "^1.2.4"
   },
   "devDependencies": {
     "@types/glob": "^7.1.1",
     "@types/jest": "^24.0.13",
     "@types/mssql": "^8.0.0",
     "@types/node": "^12.0.4",
+    "@types/uuid": "^3.4.4",
     "@types/winreg": "^1.2.30",
     "jest": "^29.1.1",
     "jest-circus": "^24.7.1",

src/Setup.ts

@@ -3,6 +3,8 @@
 
 import * as core from '@actions/core';
 import * as tc from '@actions/tool-cache';
+import * as path from 'path';
+import uuidV4 from 'uuid/v4';
 
 export const sqlcmdToolName = 'go-sqlcmd';
 export const sqlcmdVersion = '0.12.0';
@@ -36,7 +38,10 @@ export default class Setup {
                 return await tc.extractTar(downloadPath, undefined, 'xj');
 
             case 'win32':
-                downloadPath = await tc.downloadTool(`https://github.com/microsoft/go-sqlcmd/releases/download/v${sqlcmdVersion}/sqlcmd-v${sqlcmdVersion}-windows-x64.zip`);
+                // forcing a .zip extension on the downloaded item due to inconsistent windows behavior in unzipping files with no extension
+                // upstream issue: https://github.com/actions/toolkit/issues/1179
+                const dest = path.join(process.env['RUNNER_TEMP'] || '', uuidV4()+'.zip');
+                downloadPath = await tc.downloadTool(`https://github.com/microsoft/go-sqlcmd/releases/download/v${sqlcmdVersion}/sqlcmd-v${sqlcmdVersion}-windows-x64.zip`, dest);
                 return await tc.extractZip(downloadPath);
 
             default: