CI: use GitHub Actions (#28)

* CI: use GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,194 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - os: linux
+            cpu: amd64
+          - os: linux
+            cpu: i386
+          - os: macos
+            cpu: amd64
+          - os: windows
+            cpu: amd64
+          #- os: windows
+            #cpu: i386
+        branch: [version-1-2, version-1-4, version-1-6, devel]
+        include:
+          - target:
+              os: linux
+            builder: ubuntu-18.04
+            shell: bash
+          - target:
+              os: macos
+            builder: macos-10.15
+            shell: bash
+          - target:
+              os: windows
+            builder: windows-2019
+            shell: msys2 {0}
+
+    defaults:
+      run:
+        shell: ${{ matrix.shell }}
+
+    name: '${{ matrix.target.os }}-${{ matrix.target.cpu }} (Nim ${{ matrix.branch }})'
+    runs-on: ${{ matrix.builder }}
+    continue-on-error: ${{ matrix.branch == 'version-1-6' || matrix.branch == 'devel' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - 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 \
+            libz-dev:i386 libbz2-dev:i386 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' >> $GITHUB_PATH
+
+      - name: Restore rocksdb from cache (Linux + macOS)
+        if: runner.os != 'Windows'
+        id: rocksdb-cache
+        uses: actions/cache@v1
+        with:
+          path: rocks-db-cache-${{ matrix.target.cpu }}
+          key: 'rocksdb-v1-${{ matrix.target.os }}-${{ matrix.target.cpu }}'
+
+      - name: Build and install rocksdb (Linux i386 + macOS)
+        # no librocksdb-dev:i386
+        if: (runner.os == 'Linux' && matrix.target.cpu == 'i386') || runner.os == 'Macos'
+        run: |
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_rocksdb.sh
+          bash build_rocksdb.sh rocks-db-cache-${{ matrix.target.cpu }}
+
+      - name: Install rocksdb (Linux amd64)
+        # mysterious illegal instruction error if we build our own librocksdb
+        if: runner.os == 'Linux' && matrix.target.cpu == 'amd64'
+        run: |
+         sudo apt-get -q update
+         sudo apt-get install -y librocksdb-dev
+
+      - name: MSYS2 (Windows i386)
+        if: runner.os == 'Windows' && matrix.target.cpu == 'i386'
+        uses: msys2/setup-msys2@v2
+        with:
+          path-type: inherit
+          msystem: MINGW32
+          install: >-
+            base-devel
+            git
+            mingw-w64-i686-toolchain
+
+      - name: MSYS2 (Windows amd64)
+        if: runner.os == 'Windows' && matrix.target.cpu == 'amd64'
+        uses: msys2/setup-msys2@v2
+        with:
+          path-type: inherit
+          install: >-
+            base-devel
+            git
+            mingw-w64-x86_64-toolchain
+
+      - name: Restore Nim DLLs dependencies (Windows) from cache
+        if: runner.os == 'Windows'
+        id: windows-dlls-cache
+        uses: actions/cache@v2
+        with:
+          path: external/dlls-${{ matrix.target.cpu }}
+          key: 'dlls-${{ matrix.target.cpu }}'
+
+      - name: Install DLL dependencies (Windows)
+        if: >
+          steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
+          runner.os == 'Windows'
+        run: |
+          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
+            ROCKSDBSUB=x64
+          else
+            ROCKSDBSUB=x86
+          fi
+          DLLPATH="external/dlls-${{ matrix.target.cpu }}"
+          mkdir external
+          curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
+          7z x -y external/windeps.zip -o"${DLLPATH}"
+          # ROCKSDB
+          curl -L "https://github.com/status-im/nimbus-deps/releases/download/nimbus-deps/nimbus-deps.zip" -o external/nimbus-deps.zip
+          7z x -y external/nimbus-deps.zip
+          cp -a "./${ROCKSDBSUB}/librocksdb.dll" "${DLLPATH}/librocksdb.dll"
+
+      - 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}" >> $GITHUB_ENV
+
+      - name: Build Nim and Nimble
+        run: |
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
+          env MAKE="${MAKE_CMD} -j${ncpu}" ARCH_OVERRIDE=${PLATFORM} NIM_COMMIT=${{ matrix.branch }} \
+            QUICK_AND_DIRTY_COMPILER=1 QUICK_AND_DIRTY_NIMBLE=1 CC=gcc \
+            bash build_nim.sh nim csources dist/nimble NimBinaries
+          echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH
+
+      - name: Run tests
+        run: |
+          export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/usr/local/lib"
+          if [[ "${{ matrix.target.os }}" == "windows" ]]; then
+            # https://github.com/status-im/nimbus-eth2/issues/3121
+            export NIMFLAGS="-d:nimRawSetjmp"
+          fi
+          nim --version
+          nimble --version
+          nimble install -y --depsOnly
+          nimble test

rocksdb.nimble

@@ -10,17 +10,12 @@ requires "nim >= 1.2.0",
          "stew",
          "tempfile"
 
-proc test(name: string, lang: string = "c") =
+proc test(args, path: string) =
   if not dirExists "build":
     mkDir "build"
-  if not dirExists "nimcache":
-    mkDir "nimcache"
-  --run
-  --nimcache: nimcache
-  switch("out", ("./build/" & name))
-  --threads: on
-  setCommand lang, "tests/" & name & ".nim"
+  exec "nim " & getEnv("TEST_LANG", "c") & " " & getEnv("NIMFLAGS") & " " & args &
+    " --outdir:build -r --hints:off --threads:on --skipParentCfg " & path
 
 task test, "Run tests":
-  test "all"
+  test "", "tests/all.nim"