Initial QSfera import

Server/vendor/github.com/gookit/goutil/x/goinfo/goinfo.go

@@ -0,0 +1,78 @@
+// Package goinfo provide some standard util functions for go.
+package goinfo
+
+import (
+	"errors"
+	"os/exec"
+	"regexp"
+	"runtime"
+	"strings"
+)
+
+// GoVersion get go runtime version. eg: "1.18.2"
+func GoVersion() string {
+	return runtime.Version()[2:]
+}
+
+// GoInfo define
+//
+// On os by:
+//
+//	go env GOVERSION GOOS GOARCH
+//	go version // "go version go1.19 darwin/amd64"
+type GoInfo struct {
+	Version string
+	GoOS    string
+	Arch    string
+}
+
+// match "go version go1.19 darwin/amd64"
+var goVerRegex = regexp.MustCompile(`\sgo([\d.]+)\s(\w+)/(\w+)`)
+
+// ParseGoVersion get info by parse `go version` results.
+//
+// Examples:
+//
+//		line, err := sysutil.ExecLine("go version")
+//		if err != nil {
+//			return err
+//		}
+//
+//		info, err := goinfo.ParseGoVersion()
+//	 	dump.P(info)
+func ParseGoVersion(line string) (*GoInfo, error) {
+	// eg: [" go1.19 darwin/amd64", "1.19", "darwin", "amd64"]
+	lines := goVerRegex.FindStringSubmatch(line)
+	if len(lines) != 4 {
+		return nil, errors.New("input go version info is invalid")
+	}
+
+	info := &GoInfo{
+		Version: strings.TrimPrefix(lines[1], "go"),
+	}
+	info.GoOS = lines[2]
+	info.Arch = lines[3]
+
+	return info, nil
+}
+
+// OsGoInfo fetch and parse
+func OsGoInfo() (*GoInfo, error) {
+	cmdArgs := []string{"env", "GOVERSION", "GOOS", "GOARCH"}
+	bs, err := exec.Command("go", cmdArgs...).Output()
+	if err != nil {
+		return nil, err
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(bs)), "\n")
+	if len(lines) != len(cmdArgs)-1 {
+		return nil, errors.New("returns go info is not full")
+	}
+
+	info := &GoInfo{}
+	info.Version = strings.TrimPrefix(lines[0], "go")
+	info.GoOS = lines[1]
+	info.Arch = lines[2]
+
+	return info, nil
+}