Migrate from Travis CI to GitHub Actions

Fixes #14.

.builds/freebsd.yml

@@ -1,20 +1,29 @@
 image: freebsd/latest
+
 packages:
   - devel/cmake
   - devel/pkgconf
   - print/freetype2
   - x11-fonts/fontconfig
   - x11-fonts/dejavu
+
 sources:
   - https://github.com/alacritty/crossfont
+
+environment:
+  PATH: /home/build/.cargo/bin:/bin:/usr/bin:/usr/local/bin
+
 tasks:
   - rustup: |
       curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain stable --profile minimal
-  - stable: |
+  - test: |
       cd crossfont
-      $HOME/.cargo/bin/cargo +stable test
-  - 1-43-0: |
-      $HOME/.cargo/bin/rustup toolchain install --profile minimal 1.43.0
+      cargo test
+  - clippy: |
       cd crossfont
-      rm Cargo.lock
-      $HOME/.cargo/bin/cargo +1.43.0 test
+      rustup component add clippy
+      cargo clippy --all-targets
+  - oldstable: |
+      cd crossfont
+      rustup toolchain install --profile minimal 1.43.1
+      cargo +1.43.1 test

.builds/linux.yml

@@ -0,0 +1,33 @@
+image: archlinux
+
+packages:
+  - pkg-config
+  - cmake
+  - freetype2
+  - fontconfig
+  - dina-font
+
+sources:
+  - https://github.com/alacritty/crossfont
+
+environment:
+  PATH: /home/build/.cargo/bin:/usr/bin/
+
+tasks:
+  - rustup: |
+      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain stable --profile minimal
+  - test: |
+      cd crossfont
+      cargo test
+  - rustfmt: |
+      cd crossfont
+      rustup toolchain install nightly -c rustfmt
+      cargo +nightly fmt -- --check
+  - clippy: |
+      cd crossfont
+      rustup component add clippy
+      cargo clippy --all-targets
+  - oldstable: |
+      cd crossfont
+      rustup toolchain install --profile minimal 1.43.1
+      cargo +1.43.1 test

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: CI
+
+on: [push, pull_request]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        rust_version: [stable, 1.43.1]
+        os: [windows-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Rustup
+        run: rustup default ${{ matrix.rust_version }}
+      - name: Test
+        run: cargo test
+
+  clippy:
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Rustup
+        run: rustup default ${{ matrix.rust_version }}
+      - name: Install Clippy
+        run: rustup component add clippy
+      - name: Lint
+        run: cargo clippy --all-targets