```

feat(ci): 在GitHub工作流中添加构建时间信息

- 在beta、release和test三个工作流中添加build_time变量记录构建时间
- 修改Go编译命令，通过ldflags将构建时间注入到二进制文件中
- 更新main.go文件初始化时设置版本和构建时间信息
- 在pkg/flags包中添加版本和构建时间的相关函数
- 输出日志时显示构建时间信息
```

Author: cnk3x

.github/workflows/beta.yml

@@ -28,15 +28,19 @@ jobs:
           echo "v_xlp=${v_xlp}" >> $GITHUB_OUTPUT
           echo "v_xlp: ${v_xlp}"
 
+          build_time=$(date -Is)
+          echo "build_time=${build_time}" >> $GITHUB_OUTPUT
+          echo "build_time: ${build_time}"
+
       - name: 配置环境
         uses: actions/setup-go@v6
         with:
           go-version: ">=1.25.0"
 
       - name: 编译程序
         run: |
-          GOARCH=amd64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
-          GOARCH=arm64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
+          GOARCH=amd64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
+          GOARCH=arm64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
           ls -lh ./artifacts
         env:
           CGO_ENABLED: 0

.github/workflows/release.yml

@@ -28,6 +28,10 @@ jobs:
           echo "v_xlp=${v_xlp}" >> $GITHUB_OUTPUT
           echo "v_xlp: ${v_xlp}"
 
+          build_time=$(date -Is)
+          echo "build_time=${build_time}" >> $GITHUB_OUTPUT
+          echo "build_time: ${build_time}"
+
       - name: 设置镜像标签
         id: docker_meta
         uses: docker/metadata-action@v5
@@ -50,8 +54,8 @@ jobs:
 
       - name: 编译程序
         run: |
-          GOARCH=amd64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
-          GOARCH=arm64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
+          GOARCH=amd64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
+          GOARCH=arm64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
           ls -lh ./artifacts
         env:
           CGO_ENABLED: 0

.github/workflows/test.yml

@@ -40,15 +40,19 @@ jobs:
           echo "v_date: ${v_date}"
           echo "v_test: ${v_test}"
 
+          build_time=$(date -Is)
+          echo "build_time=${build_time}" >> $GITHUB_OUTPUT
+          echo "build_time: ${build_time}"
+
       - name: 配置环境
         uses: actions/setup-go@v6
         with:
           go-version: "stable"
 
       - name: 编译程序
         run: |
-          GOARCH=amd64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
-          GOARCH=arm64 go build -ldflags="-s -w" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
+          GOARCH=amd64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-amd64 ./cmd/xlp
+          GOARCH=arm64 go build -ldflags="-s -w -X main.BuildTime=${{ steps.version.outputs.build_time }}" -trimpath -o ./artifacts/xlp-arm64 ./cmd/xlp
           ls -lh ./artifacts
         env:
           CGO_ENABLED: 0

cmd/xlp/main.go

@@ -7,13 +7,26 @@ import (
 	"os"
 	"os/signal"
 	"syscall"
+	"time"
 
 	"github.com/cnk3x/xunlei"
+	"github.com/cnk3x/xunlei/pkg/flags"
 	"github.com/cnk3x/xunlei/pkg/log"
 	"github.com/cnk3x/xunlei/pkg/utils"
 	"github.com/cnk3x/xunlei/pkg/vms"
 )
 
+var BuildTime string
+
+func init() {
+	flags.SetVersion(xunlei.Version)
+	if BuildTime != "" {
+		if bt, err := time.Parse(time.RFC3339, BuildTime); err == nil {
+			flags.SetBuildTime(bt)
+		}
+	}
+}
+
 func main() {
 	var cfg xunlei.Config
 	if err := xunlei.ConfigBind(&cfg); err != nil {
@@ -31,6 +44,7 @@ func main() {
 	slog.InfoContext(ctx, ` \/  |  | |\ | |    |___  |`)
 	slog.InfoContext(ctx, `_/\_ |__| | \| |___ |___  |`)
 	slog.InfoContext(ctx, fmt.Sprintf(`daemon version: %s`, xunlei.Version))
+	slog.InfoContext(ctx, fmt.Sprintf(`build time: %s`, flags.GetBuildTime().In(time.Local).Format(time.RFC3339)))
 	slog.InfoContext(ctx, fmt.Sprintf("debug: %t", cfg.Debug))
 	slog.InfoContext(ctx, fmt.Sprintf("port: %d", cfg.Port))
 	slog.InfoContext(ctx, fmt.Sprintf("ip: %s", cfg.Ip))

pkg/flags/flags.go

@@ -16,8 +16,11 @@ func init() {
 	pflag.ErrHelp = fmt.Errorf("\nstart with %s [...OPTIONS]", filepath.Base(os.Args[0]))
 	pflag.Usage = func() {
 		fmt.Fprint(os.Stderr, filepath.Base(os.Args[0]))
-		if Version != "" {
-			fmt.Fprint(os.Stderr, " - version "+Version)
+		if version != "" {
+			fmt.Fprintf(os.Stderr, " - version %s", version)
+		}
+		if !buildTime.IsZero() {
+			fmt.Fprintf(os.Stderr, " - build %s", buildTime.In(time.Local).Format(time.RFC3339))
 		}
 		fmt.Fprintln(os.Stderr)
 		fmt.Fprintln(os.Stderr, "wrap system env as synology for xunlei")
@@ -29,9 +32,16 @@ func init() {
 
 var (
 	CommandLine = pflag.CommandLine
-	Version     string
+
+	version   string
+	buildTime time.Time
 )
 
+func SetBuildTime(t time.Time) { buildTime = t }
+func SetVersion(v string)      { version = v }
+func GetBuildTime() time.Time  { return buildTime }
+func GetVersion() string       { return version }
+
 type FlagSet = pflag.FlagSet
 
 func Var[T any](v T, name, short, usage string, env ...string) {