add build time

pkg/version/version.go

@@ -0,0 +1,47 @@
+package version
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/lab/pkg/utils"
+)
+
+var (
+	// Version holds the version of this execution program
+	Version string
+
+	// CommitHash holds the git commit hash of this execution program's source code
+	CommitHash string
+
+	// BuildUnixTime holds the time when starting building this execution program
+	BuildUnixTime string
+)
+
+func GetFullVersion() string {
+	fullVersion := "Local Build"
+
+	if Version != "" {
+		fullVersion = Version
+	}
+
+	additionalInfos := make([]string, 0, 2)
+
+	if CommitHash != "" {
+		additionalInfos = append(additionalInfos, "commit " + CommitHash)
+	}
+
+	if BuildUnixTime != "" {
+		unixTime, err := utils.StringToInt64(BuildUnixTime)
+
+		if unixTime > 0 && err == nil {
+			additionalInfos = append(additionalInfos, "build time " + utils.FormatToLongDateTime(utils.ParseFromUnixTime(unixTime)))
+		}
+	}
+
+	if len(additionalInfos) > 0 {
+		fullVersion = fmt.Sprintf("%s (%s)", fullVersion, strings.Join(additionalInfos, ", "))
+	}
+
+	return fullVersion
+}