test: use Nimble to manage Nim

.github/workflows/ci-test.yml

@@ -0,0 +1,156 @@
+name: Test with latest Nimble
+on:
+  push:
+    branches:
+      - test-with-nightly-nimble
+  pull_request:
+  workflow_dispatch:
+
+concurrency: # Cancel stale PR builds (but not push builds)
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - os: linux
+            cpu: amd64
+        branch: [devel]
+        include:
+          - target:
+              os: linux
+            builder: ubuntu-latest
+            shell: bash
+
+    defaults:
+      run:
+        shell: ${{ matrix.shell }}
+
+    name: '${{ matrix.target.os }}-${{ matrix.target.cpu }} (Nim ${{ matrix.branch }})'
+    runs-on: ${{ matrix.builder }}
+    continue-on-error: ${{ matrix.branch == 'devel' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install build dependencies (Linux i386)
+        if: runner.os == 'Linux' && matrix.target.cpu == 'i386'
+        run: |
+          sudo dpkg --add-architecture i386
+          sudo apt-fast update -qq
+          sudo DEBIAN_FRONTEND='noninteractive' apt-fast install \
+            --no-install-recommends -yq gcc-multilib g++-multilib \
+            libssl-dev:i386
+          mkdir -p external/bin
+          cat << EOF > external/bin/gcc
+          #!/bin/bash
+          exec $(which gcc) -m32 "\$@"
+          EOF
+          cat << EOF > external/bin/g++
+          #!/bin/bash
+          exec $(which g++) -m32 "\$@"
+          EOF
+          chmod 755 external/bin/gcc external/bin/g++
+          echo '${{ github.workspace }}/external/bin' >> $GITHUB_PATH
+
+      - name: 'Install dependencies (macOS)'
+        if: runner.os == 'macOS' && matrix.branch == 'devel'
+        run: |
+          brew install [email protected]
+          ln -s $(brew --prefix)/opt/openssl/lib/libcrypto.1.1.dylib /usr/local/lib
+          ln -s $(brew --prefix)/opt/openssl/lib/libssl.1.1.dylib /usr/local/lib/
+
+      - name: MSYS2 (Windows i386)
+        if: runner.os == 'Windows' && matrix.target.cpu == 'i386'
+        uses: msys2/setup-msys2@v2
+        with:
+          path-type: inherit
+          msystem: MINGW32
+          install: >-
+            base-devel
+            git
+            mingw-w64-i686-toolchain
+
+      - name: MSYS2 (Windows amd64)
+        if: runner.os == 'Windows' && matrix.target.cpu == 'amd64'
+        uses: msys2/setup-msys2@v2
+        with:
+          path-type: inherit
+          install: >-
+            base-devel
+            git
+            mingw-w64-x86_64-toolchain
+
+      - name: Restore Nim DLLs dependencies (Windows) from cache
+        if: runner.os == 'Windows'
+        id: windows-dlls-cache
+        uses: actions/cache@v4
+        with:
+          path: external/dlls-${{ matrix.target.cpu }}
+          key: 'dlls-${{ matrix.target.cpu }}'
+
+      - name: Install DLLs dependencies (Windows)
+        if: >
+          steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
+          runner.os == 'Windows'
+        run: |
+          mkdir -p external
+          curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
+          7z x -y external/windeps.zip -oexternal/dlls-${{ matrix.target.cpu }}
+
+      - name: Path to cached dependencies (Windows)
+        if: >
+          runner.os == 'Windows'
+        run: |
+          echo "${{ github.workspace }}/external/dlls-${{ matrix.target.cpu }}" >> $GITHUB_PATH
+
+      - name: Derive environment variables
+        run: |
+          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
+            PLATFORM=x64
+          else
+            PLATFORM=x86
+          fi
+          echo "PLATFORM=$PLATFORM" >> $GITHUB_ENV
+
+          ncpu=
+          MAKE_CMD="make"
+          case '${{ runner.os }}' in
+          'Linux')
+            ncpu=$(nproc)
+            ;;
+          'macOS')
+            ncpu=$(sysctl -n hw.ncpu)
+            ;;
+          'Windows')
+            ncpu=$NUMBER_OF_PROCESSORS
+            MAKE_CMD="mingw32-make"
+            ;;
+          esac
+          [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1
+          echo "ncpu=$ncpu" >> $GITHUB_ENV
+          echo "MAKE_CMD=${MAKE_CMD}" >> $GITHUB_ENV
+
+      - name: Download Nimble and install Nim
+        run: |
+          start=$(date +%s)
+          curl -O -L -s -S https://github.com/nim-lang/nimble/releases/download/latest/nimble-linux_x64.tar.gz
+          end=$(date +%s)
+          echo "Nimble download took: $(($end-$start)) seconds"
+          tar xvfz nimble-linux_x64.tar.gz
+          start=$(date +%s)
+          ./nimble setup
+          end=$(date +%s)
+          echo "Nimble setup took: $(($end-$start)) seconds"
+          echo $(./nimble path nim | tail -n 1)/bin >> $GITHUB_PATH
+
+      - name: Run tests
+        run: |
+          nim --version
+          nimble --version
+          rm -f nimble.lock
+          env NIMLANG=c nimble test
+          env NIMLANG=cpp nimble test