gitlab-ci: Try upstream ninja development branch in a Windows nightly job

.gitlab-ci.yml

@@ -742,6 +742,8 @@ test:windows-vs2022-x64-ninja:
         - build:windows-vs2022-x64-ninja
     needs:
         - build:windows-vs2022-x64-ninja
+    variables:
+        CMAKE_CI_JOB_NIGHTLY_NINJA: "true"
 
 test:windows-vs2022-x64:
     extends:

.gitlab/ci/ninja-nightly.ps1

@@ -0,0 +1,9 @@
+$erroractionpreference = "stop"
+
+Invoke-Expression -Command .gitlab/ci/vcvarsall.ps1
+Set-Location -Path ".gitlab"
+git clone https://github.com/ninja-build/ninja.git ninja-src
+cmake -S ninja-src -B ninja-src/build -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release
+cmake --build ninja-src/build --target ninja
+Move-Item -Path "ninja-src\build\ninja.exe" -Destination . -Force
+Remove-Item "ninja-src" -Recurse -Force

.gitlab/ci/ninja.ps1

@@ -1,5 +1,10 @@
 $erroractionpreference = "stop"
 
+if ("$env:CMAKE_CI_JOB_NIGHTLY_NINJA" -eq "true" -And "$env:CMAKE_CI_NIGHTLY" -eq "true") {
+    & .gitlab/ci/ninja-nightly.ps1
+    exit $LASTEXITCODE
+}
+
 $version = "1.10.2"
 $sha256sum = "BBDE850D247D2737C5764C927D1071CBB1F1957DCABDA4A130FA8547C12C695F"
 $filename = "ninja-win"