Switch CI over to GitHub Actions (#1496)

.github/workflows/CI.yml

@@ -0,0 +1,133 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+      - release-*
+  pull_request:
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1.0'
+          - '1'
+          - 'nightly'
+        os:
+          - ubuntu-latest
+          - macos-latest
+          # We still run Windows tests on AppVeyor because the tests are not passing on
+          # the Windows image of GitHub Actions:
+          # https://github.com/JuliaDocs/Documenter.jl/pull/1496
+          #- windows-latest
+        arch:
+          - x64
+        include:
+          - os: ubuntu-latest
+            version: '1'
+            arch: x86
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+          show-versioninfo: true
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info
+
+  latex:
+    name: "PDF/LaTeX backend"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: '1'
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - run: |
+          julia --project=test/examples -e '
+            using Pkg
+            Pkg.instantiate()
+            Pkg.develop(PackageSpec(path=pwd()))
+            Pkg.add(["IOCapture", "DocumenterMarkdown"])'
+      - run: julia --project=test/examples test/examples/tests_latex.jl
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info
+
+  themes:
+    name: "CSS for HTML themes"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: '1'
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - run: |
+          julia --project=test/themes/ -e '
+            using Pkg
+            Pkg.instantiate()
+            Pkg.develop(PackageSpec(path=pwd()))'
+      - run: julia --project=test/themes test/themes/themes.jl
+
+  docs:
+    name: 'Documentation: ${{ matrix.makejl }}'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - jlenv: 'docs/'
+            makejl: 'docs/make.jl'
+          - jlenv: 'docs/pdf/'
+            makejl: 'docs/pdf/make.jl'
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: '1'
+      - run: |
+          julia --project=${{ matrix.jlenv }} -e '
+            using Pkg
+            Pkg.develop(PackageSpec(path=pwd()))
+            Pkg.instantiate()'
+      - run: julia --project=${{ matrix.jlenv }} --color=yes ${{ matrix.makejl }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}