ci: add basic workflows

.github/workflows/lint.yml

@@ -0,0 +1,45 @@
+on: [push, pull_request]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    name: Lint
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.23.x"
+      - name: Check for //go:build ignore in .go files
+        run: |
+          IGNORED_FILES=$(grep -rl '//go:build ignore' . --include='*.go') || true
+          if [ -n "$IGNORED_FILES" ]; then
+            echo "::error::Found ignored Go files: $IGNORED_FILES"
+            exit 1
+          fi
+      - name: Check that go.mod is tidied
+        if: success() || failure() # run this step even if the previous one failed
+        run: |
+          cp go.mod go.mod.orig
+          cp go.sum go.sum.orig
+          go mod tidy
+          diff go.mod go.mod.orig
+          diff go.sum go.sum.orig
+      - name: gofmt
+        if: success() || failure() # run this step even if the previous one failed
+        run: |
+          out=$(gofmt -s -l .)
+          if [[ -n "$out" ]]; then
+            echo $out | awk '{print "::error file=" $0 ",line=0,col=0::File is not gofmt-ed."}'
+            exit 1
+          fi
+      - name: go vet
+        if: success() || failure() # run this step even if the previous one failed
+        run: go vet ./...
+      - name: Install staticcheck
+        if: success() || failure() # run this step even if the previous one failed
+        run: go install honnef.co/go/tools/cmd/[email protected]
+      - name: staticcheck
+        if: success() || failure() # run this step even if the previous one failed
+        run: |
+          set -o pipefail
+          staticcheck ./... | sed -e 's@\(.*\)\.go@./\1.go@g'

.github/workflows/unit.yml

@@ -0,0 +1,33 @@
+on: [push, pull_request]
+
+jobs:
+  unit:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ "ubuntu", "windows", "macos" ]
+        go: [ "1.22.x", "1.23.x" ]
+    runs-on: ${{ fromJSON(vars[format('UNIT_RUNNER_{0}', matrix.os)] || format('"{0}-latest"', matrix.os)) }}
+    name: Unit tests (${{ matrix.os}}, Go ${{ matrix.go }})
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - run: go version
+      - name: Run tests
+        env:
+          TIMESCALE_FACTOR: 10
+        run: go test -v -cover -coverprofile coverage.txt ./...
+      - name: Run tests (32 bit)
+        if: ${{ matrix.os != 'macos' }} # can't run 32 bit tests on OSX.
+        env:
+          TIMESCALE_FACTOR: 10
+          GOARCH: 386
+        run: go test -v -cover
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: coverage.txt,coverage-root.txt
+          env_vars: OS=${{ matrix.os }}, GO=${{ matrix.go }}
+          token: ${{ secrets.CODECOV_TOKEN }}