Add Windows CI

.github/workflows/main.yml

@@ -98,6 +98,9 @@ jobs:
             # These actually are not relevant since brew just pulls the latest version
             otp: "latest"
             elixir: "latest"
+          - os: windows-2022
+            otp: "27.0.1"
+            elixir: "1.17.2"
 
     steps:
       - name: Clone the repository
@@ -117,14 +120,20 @@ jobs:
         run: |
           curl -Lo tigerbeetle.zip https://mac.tigerbeetle.com && unzip tigerbeetle.zip
 
+      - name: Fetch TigerBeetle for Windows
+        if: runner.os == 'Windows'
+        working-directory: ./src/tigerbeetle
+        run: |
+          curl.exe -Lo tigerbeetle.zip https://windows.tigerbeetle.com; Expand-Archive tigerbeetle.zip .
+
       - name: Start TigerBeetle
         working-directory: ./src/tigerbeetle
         run: |
           ./tigerbeetle format --cluster=0 --replica=0 --replica-count=1 --development 0_0.tigerbeetle
           ./tigerbeetle start --addresses=3000 --development 0_0.tigerbeetle &
 
       - name: Install OTP and Elixir
-        if: runner.os == 'Linux'
+        if: runner.os == 'Linux' || runner.os == 'Windows'
         uses: erlef/setup-beam@v1
         with:
           otp-version: ${{ matrix.otp }}

build.zig

@@ -47,7 +47,9 @@ pub fn build(b: *std.Build) void {
     // Do this so `lib` doesn't get prepended to the lib name, and `.so` is used as suffix also
     // on MacOS, since it's required by the NIF loading mechanism.
     // See https://github.com/ziglang/zig/issues/2231
-    const nif_so_install = b.addInstallFileWithDir(lib.getEmittedBin(), .lib, "tigerbeetlex.so");
+    // Windows still needs the .dll suffix
+    const lib_name = if (target.result.os.tag == .windows) "tigerbeetlex.dll" else "tigerbeetlex.so";
+    const nif_so_install = b.addInstallFileWithDir(lib.getEmittedBin(), .lib, lib_name);
     nif_so_install.step.dependOn(&lib.step);
     b.getInstallStep().dependOn(&nif_so_install.step);
 }