fix: subDir detection when walking the repo content

__tests__/unit/lib/adapter/GitAdapter.test.ts

@@ -667,6 +667,29 @@ describe('GitAdapter', () => {
     })
 
     describe('when filepath should be treated', () => {
+      describe(`when "config.source" is '.'`, () => {
+        it('returns the normalized path', async () => {
+          // Arrange
+          const firstEntry = {
+            type: jest.fn(() => Promise.resolve('blob')),
+            oid: jest.fn(() => undefined),
+          } as unknown as WalkerEntry
+          const secondEntry = {
+            type: jest.fn(() => Promise.resolve('blob')),
+            oid: jest.fn(() => 10),
+          } as unknown as WalkerEntry
+
+          // Act
+          const result = await diffLineWalker({
+            ...config,
+            source: '.',
+          })('force-app/test.file', [firstEntry, secondEntry])
+
+          // Assert
+          expect(result).toBe('A\tforce-app/test.file')
+        })
+      })
+
       describe(`when filepath starts with "config.source"`, () => {
         it('returns the normalized path', async () => {
           // Arrange

src/adapter/GitAdapter.ts

@@ -16,7 +16,7 @@ import {
 import type { Config } from '../types/config'
 import type { FileGitRef } from '../types/git'
 import { SOURCE_DEFAULT_VALUE } from '../utils/cliConstants'
-import { dirExists, fileExists, treatPathSep } from '../utils/fsUtils'
+import { dirExists, fileExists, isSubDir, treatPathSep } from '../utils/fsUtils'
 import { getLFSObjectContentPath, isLFS } from '../utils/gitLfsHelper'
 
 const firstCommitParams = ['rev-list', '--max-parents=0', 'HEAD']
@@ -293,7 +293,7 @@ const pathDoesNotStartsWith = (root: string) => {
 
   return (path: string) =>
     gitFormattedRoot !== SOURCE_DEFAULT_VALUE &&
-    !path.startsWith(gitFormattedRoot)
+    !isSubDir(gitFormattedRoot, path)
 }
 
 const evaluateShouldSkip = (base: string) => {