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CI - Test Unity WebGL build #5852

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[bfops/webgl-ci]: CI - Test Unity WebGL build
bfops Aug 31, 2026
62dc9de
[bfops/webgl-ci]: Revert "Fix Unity WebGL IEnumerator import (#5792)"
bfops Aug 31, 2026
cee9f25
[bfops/webgl-ci]: Rename check
bfops Aug 31, 2026
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[bfops/webgl-ci]: Revert "[bfops/webgl-ci]: Revert "Fix Unity WebGL I…
bfops Aug 31, 2026
826f055
Update .github/workflows/ci.yml
bfops Aug 31, 2026
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60 changes: 60 additions & 0 deletions .github/workflows/ci.yml
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Expand Up @@ -1254,6 +1254,66 @@ jobs:
path: demo/Blackholio/client-unity/Library
key: ${{ steps.restore-unity-library.outputs.cache-primary-key }}

unity-webgl-build:

@jdetter jdetter Sep 1, 2026

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Let's go with this for now but if we don't have enough runner throughput for the unity jobs then we might have to combine this with the other job. I wouldn't invest time into combining them right now since we already have this but if we start having issues later it would possibly be worth it to investigate combining them.

name: Unity WebGL build
needs: [merge_queue_noop, lints]
# Skip if this is an external contribution.
# The license secrets will be empty, so the step would fail anyway.
if: ${{ needs.merge_queue_noop.outputs.skip != 'true' && (github.event_name != 'pull_request' || !github.event.pull_request.head.repo.fork) }}
permissions:
contents: read
runs-on: spacetimedb-unity-runner
timeout-minutes: 30
env:
CARGO_TARGET_DIR: ${{ github.workspace }}/target
UNITY_VERSION: 2022.3.32f1
steps:
- *find-git-ref
- *checkout-sources

# Keep this before hydration so ignored build outputs do not affect hashFiles.
- name: Restore Unity WebGL Library
id: restore-unity-webgl-library
uses: actions/cache/restore@v4
with:
path: demo/Blackholio/client-unity/Library
key: Unity-WebGL-v1-${{ runner.os }}-${{ env.UNITY_VERSION }}-${{ hashFiles('demo/Blackholio/client-unity/**', 'sdks/csharp/**', 'crates/bindings-csharp/BSATN.Runtime/**', 'crates/bindings-csharp/Runtime/**', 'crates/bindings-csharp/Directory.Build.props', 'tools/regen/src/csharp.rs', 'global.json') }}
restore-keys: |
Unity-WebGL-v1-${{ runner.os }}-${{ env.UNITY_VERSION }}-

- name: Setup dotnet
uses: actions/setup-dotnet@v3
with:
global-json-file: global.json

- name: Install Rust toolchain
uses: dsherret/rust-toolchain-file@v1
- *set-default-rust-toolchain

- name: Hydrate Unity SDK DLLs
run: cargo regen csharp dlls

- name: Build Unity WebGL player
uses: game-ci/unity-builder@v4
with:
unityVersion: ${{ env.UNITY_VERSION }}
projectPath: demo/Blackholio/client-unity
targetPlatform: WebGL
buildsPath: demo/Blackholio/client-unity/Build
versioning: None
runAsHostUser: true
env:
UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
UNITY_SERIAL: ${{ secrets.UNITY_SERIAL }}

- name: Save Unity WebGL Library
if: ${{ github.ref == 'refs/heads/master' && steps.restore-unity-webgl-library.outputs.cache-hit != 'true' }}
uses: actions/cache/save@v4
with:
path: demo/Blackholio/client-unity/Library
key: ${{ steps.restore-unity-webgl-library.outputs.cache-primary-key }}

godot-testsuite:
needs: [merge_queue_noop, lints, upload-build-artifacts-linux]
if: ${{ needs.merge_queue_noop.outputs.skip != 'true' }}
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