Try again with env variable

.github/workflows/ci.yml

@@ -20,15 +20,15 @@ jobs:
           
           & "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
 
-          $originalWorkingDirectory = Get-Location
-          Set-Location ${{ github.env.GITHUB_WORKSPACE }}
+          $repoRoot = $GITHUB_WORKSPACE
+          Write-Host "The root of the repository is $repoRoot"
 
-          & .\find_clang_format.cmd
+          & $repoRoot\find_clang_format.cmd
           if ($LASTEXITCODE -ne 0) {
             exit $LASTEXITCODE
           }
 
-          & git clang-format origin/master --binary "$env:CLANG_FORMAT" --style file -- cppwinrt/*.h cppwinrt/*.cpp fast_fwd/*.h fast_fwd/*.cpp prebuild/*.h prebuild/*.cpp scratch/*.h scratch/*.cpp strings/*.h strings/*.cpp test/*.h test/*.cpp vsix/*.h vsix/*.cpp
+          & git clang-format origin/master --binary "$env:CLANG_FORMAT" --style file -- $repoRoot/cppwinrt/*.h $repoRoot/cppwinrt/*.cpp $repoRoot/fast_fwd/*.h $repoRoot/fast_fwd/*.cpp $repoRoot/prebuild/*.h $repoRoot/prebuild/*.cpp $repoRoot/scratch/*.h $repoRoot/scratch/*.cpp $repoRoot/strings/*.h $repoRoot/strings/*.cpp $repoRoot/test/*.h $repoRoot/test/*.cpp $repoRoot/vsix/*.h $repoRoot/vsix/*.cpp
 
           if ($LASTEXITCODE -ne 0) {
             Write-Host ::error ERROR: This branch contains changes that have not been formatted with `'clang-format`'
@@ -46,8 +46,6 @@ jobs:
             exit 1
           }
 
-          Set-Location $originalWorkingDirectory
-
   test-msvc-cppwinrt-build:
     name: '${{ matrix.compiler }}: Build (${{ matrix.arch }}, ${{ matrix.config }})'
     strategy: