ci(windows): stage git.exe next to dart.exe; show all git matches

.gitea/workflows/build-windows.yml

@@ -123,36 +123,55 @@ jobs:
           Add-Content -Path $env:GITHUB_PATH -Value "$tools\bin"
 
       - name: Generate Rust <-> Dart bridge
-        # Run in pwsh, NOT bash. Git-Bash-on-Windows mangles entries like
-        # `C:\Program Files\Git\cmd` during MSYS PATH conversion -- when bash
-        # spawns dart.exe, dart sees a malformed PATH and `pub` fails with
-        # "Unable to find git in your PATH" even though `which git` works in bash.
         shell: pwsh
         env:
           LIBCLANG_PATH: '${{ env.LLVM_HOME }}\bin'
         run: |
           $ErrorActionPreference = 'Stop'
 
-          # Belt-and-suspenders for the cargo-installed tools.
-          $env:PATH = "C:\cargo-tools\bin;$env:PATH"
+          # Force-prepend cargo-tools and Git so they win the lookup race even if
+          # something earlier in PATH owns the same name.
+          $env:PATH = "C:\cargo-tools\bin;C:\Program Files\Git\cmd;C:\Program Files\Git\bin;$env:PATH"
 
-          Write-Host "== PATH visibility check =="
+          Write-Host "== Tool resolution =="
           foreach ($t in 'git','flutter','flutter_rust_bridge_codegen','dart') {
             $cmd = Get-Command $t -ErrorAction SilentlyContinue
             if ($cmd) { Write-Host ("{0,-30} {1}" -f $t, $cmd.Source) }
             else      { Write-Host ("{0,-30} MISSING" -f $t) }
           }
-          Write-Host ("git --version  -> " + ((git --version) 2>&1))
+
+          # `where git` shows ALL git.exe matches on PATH. If multiple, the first
+          # is what CreateProcess will pick -- and it might be a broken shim.
+          Write-Host "`n== where git =="
+          where.exe git 2>&1
+
+          Write-Host "`n== git --version =="
+          git --version
+
+          # Workaround: stage git.exe next to dart.exe. CreateProcessW searches
+          # the calling exe's directory before PATH -- so dropping git.exe here
+          # bypasses any PATH oddities the dart child may inherit from its
+          # parents (powershell -> cmd -> flutter.bat -> dart.exe).
+          $dartBin   = 'C:\tools\flutter\bin\cache\dart-sdk\bin'
+          $stagedGit = Join-Path $dartBin 'git.exe'
+          $sourceGit = 'C:\Program Files\Git\cmd\git.exe'
+          if ((Test-Path $dartBin) -and -not (Test-Path $stagedGit)) {
+            Write-Host "`nStaging $sourceGit -> $stagedGit"
+            Copy-Item -Force $sourceGit $stagedGit
+          }
 
           if (-not (Test-Path "$env:LIBCLANG_PATH\libclang.dll")) {
             throw "libclang.dll not found at $env:LIBCLANG_PATH"
           }
 
+          Write-Host "`n== flutter pub get =="
           Push-Location flutter
           flutter pub get
-          if ($LASTEXITCODE -ne 0) { throw "flutter pub get failed ($LASTEXITCODE)" }
+          $rc = $LASTEXITCODE
           Pop-Location
+          if ($rc -ne 0) { throw "flutter pub get failed ($rc)" }
 
+          Write-Host "`n== flutter_rust_bridge_codegen =="
           flutter_rust_bridge_codegen `
             --llvm-path "$env:LLVM_HOME" `
             --rust-input ./src/flutter_ffi.rs `