Setup CI (#1)

Author: tkf

.github/workflows/ci.yml

@@ -0,0 +1,56 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags: '*'
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        julia-version:
+          - '1'
+          - '1.6'
+          - 'nightly'
+      fail-fast: false
+    name: Test Julia ${{ matrix.julia-version }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+      - name: Install LLVM.jl
+        run: |
+          using Pkg
+          Pkg.activate(".")
+          Pkg.add(url = "https://github.com/maleadt/LLVM.jl")
+        shell: julia --color=yes {0}
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v2
+        with:
+          file: ./lcov.info
+          flags: Pkg.test
+          name: codecov-umbrella
+
+  # https://github.com/tkf/julia-code-style-suggesters
+  code-style:
+    if: always() && github.event.pull_request
+    runs-on: ubuntu-latest
+    steps:
+      - uses: tkf/julia-code-style-suggesters@v1
+
+  # A job that succeeds if and only if all jobs succeed.
+  all-success:
+    if: always() && github.event.pull_request
+    needs: [test, code-style]
+    runs-on: ubuntu-latest
+    steps:
+      # https://github.com/tkf/merge-conclusions-action
+      - uses: tkf/merge-conclusions-action@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}