name: Build non-main branch
run-name: Build non-main branch
on:
  workflow_dispatch:
  push:
    branches-ignore:
    - 'main'
jobs:
  build:
    runs-on: ubuntu-latest
    steps:

      - name: install elan
        run: |
          set -o pipefail
          curl -sSfL https://github.com/leanprover/elan/releases/download/v3.0.0/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz
          ./elan-init -y --default-toolchain none
          echo "$HOME/.elan/bin" >> $GITHUB_PATH

      - uses: actions/checkout@v4

      - name: print lean and lake versions
        run: |
          lean --version
          lake --version

      - name: get mathlib cache
        continue-on-error: true
        run: |
          lake exe cache clean
          # We've been seeing many failures at this step recently because of network errors.
          # As a band-aid, we try twice.
          # The 'sleep 1' is small pause to let the network recover.
          lake exe cache get || (sleep 1; lake exe cache get)

      - name: building game
        run: env LEAN_ABORT_ON_PANIC=1 lake build