feat: Add GHES support 🏢 (#580)

Changes for #579

Co-authored-by: dom <dominik.meyer01@sap.com>

src/git-utils.ts

@@ -3,6 +3,7 @@ import * as exec from '@actions/exec';
 import * as glob from '@actions/glob';
 import path from 'path';
 import fs from 'fs';
+import {URL} from 'url';
 import {Inputs, CmdResult} from './interfaces';
 import {createDir} from './utils';
 import {cp, rm} from 'shelljs';
@@ -13,6 +14,10 @@ export async function createBranchForce(branch: string): Promise<void> {
   return;
 }
 
+export function getServerUrl(): URL {
+  return new URL(process.env['GITHUB_SERVER_URL'] || 'https://github.com');
+}
+
 export async function deleteExcludedAssets(destDir: string, excludeAssets: string): Promise<void> {
   if (excludeAssets === '') return;
   core.info(`[INFO] delete excluded assets`);