ci: add basic CI functionalities

Signed-off-by: leongross <leon.gross@9elements.com>

.github/workflows/go.yml

@@ -0,0 +1,57 @@
+name: Go
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  linters:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.22.x'
+    - name: Check vendored dependencies
+      run: |
+        go mod tidy
+        go mod verify
+    - name: gofmt
+      run: test -z "$(gofmt -s -l $(find -name '*.go' | grep -v /vendor/))"
+
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.22.x'
+
+    - name: Build Example
+      run: go run -mod=mod -v examples/example.go
+
+    - name: Vet Test
+      run: go vet -composites=false -mod=mod ./...
+
+  multi-os-arch:
+    strategy:
+      matrix:
+        arch: [amd64, arm, arm64]
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: "1.22.x"
+
+    - name: Build
+      run: |
+        GOOS=linux GOARCH=${{ matrix.arch }} go run examples/examples.go

.github/workflows/golangci-lint.yml

@@ -0,0 +1,28 @@
+name: golangci-lint
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.63.4
+          args: --out-format=line-number --timeout=5m

examples/example.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+    "github.com/u-root/cpuid"
+    "fmt"
+)
+
+func main() {
+    fmt.Printf("VendorString:   %s\n", cpuid.VendorIdentificatorString)
+
+    fmt.Printf("Features: ")
+    for i := uint64(0); i < 64; i++ {
+        if cpuid.HasFeature(1 << i) {
+            fmt.Printf("%s ", cpuid.FeatureNames[1<<i])
+        }
+    }
+    fmt.Printf("\n")
+
+    fmt.Printf("ExtendedFeatures: ")
+    for i := uint64(0); i < 64; i++ {
+        if cpuid.HasExtendedFeature(1 << i) {
+            fmt.Printf("%s ", cpuid.ExtendedFeatureNames[1<<i])
+        }
+    }
+    fmt.Printf("\n")
+
+    fmt.Printf("ExtraFeatures: ")
+    for i := uint64(0); i < 64; i++ {
+        if cpuid.HasExtraFeature(1 << i) {
+            fmt.Printf("%s ", cpuid.ExtraFeatureNames[1<<i])
+        }
+    }
+    fmt.Printf("\n")
+}
+