ensure pkg build/ exists

and set libgit2 version env var

Author: 2bndy5

build.ps1

@@ -1,13 +1,21 @@
-if (Test-Path -Path $env:LIBGIT2_SRC) {
-    Set-Location $env:LIBGIT2_SRC
+if (!(Test-Path -Path "build")) {
+    # in case the pygit2 package build/ workspace has not been created by cibuildwheel yet
+    mkdir build
+}
+if (Test-Path -Path "$env:LIBGIT2_SRC") {
+    Set-Location "$env:LIBGIT2_SRC"
+    # for local runs, reuse build/libgit_src if it exists
     if (Test-Path -Path build) {
+        # purge previous build env (likely for a different arch type)
         Remove-Item -Recurse -Force build
     }
+    # ensure we are checked out to the right version
     git fetch --depth=1 --tags
-    git checkout v$env:LIBGIT2_VERSION
+    git checkout "v$env:LIBGIT2_VERSION"
 } else {
-    git clone --depth=1 -b v$env:LIBGIT2_VERSION https://github.com/libgit2/libgit2.git $env:LIBGIT2_SRC
-    Set-Location $env:LIBGIT2_SRC
+    # from a fresh run (like in CI)
+    git clone --depth=1 -b "v$env:LIBGIT2_VERSION" https://github.com/libgit2/libgit2.git $env:LIBGIT2_SRC
+    Set-Location "$env:LIBGIT2_SRC"
 }
 cmake -B build -S . -DBUILD_TESTS=OFF
 cmake --build build/ --config=Release --target install

pyproject.toml

@@ -26,6 +26,7 @@ repair-wheel-command = "DYLD_LIBRARY_PATH=/Users/runner/work/pygit2/pygit2/ci/li
 
 [tool.cibuildwheel.windows]
 environment.LIBGIT2_SRC = "build/libgit2_src"
+environment.LIBGIT2_VERSION = "1.9.1"
 before-all = "powershell -File build.ps1"
 
 [[tool.cibuildwheel.overrides]]