feat: migrate to isomorphic-git instead of spawn (#740)

.github/linters/.cspell.json

@@ -24,6 +24,7 @@
         "FORCEINCLUDE",
         "FULLNAME",
         "Flexi",
+        "gitdir",
         "hardlinks",
         "Iframe",
         "knip",
@@ -119,6 +120,7 @@
         "quotepath",
         "recentsha",
         "repogitdiff",
+        "revparse",
         "rulesets",
         "samlssoconfig",
         "samlssoconfigs",

README.md

@@ -537,9 +537,11 @@ console.log(JSON.stringify(work))
 - [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) - Validate XML, Parse XML to JS/JSON and vise versa, or parse XML to Nimn rapidly without C/C++ based libraries and no callback
 - [fs-extra](https://github.com/jprichardson/node-fs-extra) - Node.js: extra methods for the fs object like copy(), remove(), mkdirs().
 - [ignore](https://github.com/kaelzhang/node-ignore#readme) - is a manager, filter and parser which implemented in pure JavaScript according to the .gitignore spec 2.22.1.
+- [isomorphic-git](https://github.com/isomorphic-git/isomorphic-git) - A pure JavaScript implementation of git for node and browsers!
 - [lodash](https://github.com/lodash/lodash) - A modern JavaScript utility library delivering modularity, performance & extras.
-- [xmlbuilder2](https://github.com/oozcitak/xmlbuilder2) - An XML builder for node.js.
 - [MegaLinter](https://megalinter.io) - Open-Source tool for CI/CD workflows that analyzes the consistency of your code, IAC, configuration, and scripts
+- [simple-git](https://github.com/steveukx/git-js) - A light weight interface for running git commands in any node.js application.
+- [xmlbuilder2](https://github.com/oozcitak/xmlbuilder2) - An XML builder for node.js.
 
 ## Versioning
 

__tests__/functional/main.test.ts

@@ -7,7 +7,7 @@ const mockValidateConfig = jest.fn()
 jest.mock('../../src/utils/cliHelper', () => {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const actualModule: any = jest.requireActual('../../src/utils/cliHelper')
-  return jest.fn().mockImplementation(function () {
+  return jest.fn().mockImplementation(() => {
     return {
       ...actualModule,
       validateConfig: mockValidateConfig,
@@ -19,7 +19,7 @@ const mockGetLines = jest.fn()
 jest.mock('../../src/utils/repoGitDiff', () => {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const actualModule: any = jest.requireActual('../../src/utils/repoGitDiff')
-  return jest.fn().mockImplementation(function () {
+  return jest.fn().mockImplementation(() => {
     return {
       ...actualModule,
       getLines: mockGetLines,
@@ -33,7 +33,7 @@ jest.mock('../../src/service/diffLineInterpreter', () => {
   const actualModule: any = jest.requireActual(
     '../../src/service/diffLineInterpreter'
   )
-  return jest.fn().mockImplementation(function () {
+  return jest.fn().mockImplementation(() => {
     return {
       ...actualModule,
       process: mockProcess,