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@@ -1,10 +1,19 @@
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package service
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import (
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+ "encoding/json"
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+ "fmt"
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+ "net/http"
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"os"
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+ "os/exec"
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+ "path/filepath"
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+ "runtime"
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+ "strconv"
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+ "strings"
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"syscall"
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"time"
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+ "github.com/mhsanaei/3x-ui/v2/config"
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"github.com/mhsanaei/3x-ui/v2/logger"
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)
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@@ -12,6 +21,13 @@ import (
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// It handles panel restart, updates, and system-level panel controls.
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type PanelService struct{}
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+// PanelUpdateInfo contains the current and latest available panel versions.
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+type PanelUpdateInfo struct {
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+ CurrentVersion string `json:"currentVersion"`
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+ LatestVersion string `json:"latestVersion"`
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+ UpdateAvailable bool `json:"updateAvailable"`
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+}
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+
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func (s *PanelService) RestartPanel(delay time.Duration) error {
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p, err := os.FindProcess(syscall.Getpid())
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if err != nil {
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@@ -26,3 +42,161 @@ func (s *PanelService) RestartPanel(delay time.Duration) error {
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}()
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return nil
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}
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+
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+// GetUpdateInfo checks GitHub for the latest 3x-ui release.
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+func (s *PanelService) GetUpdateInfo() (*PanelUpdateInfo, error) {
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+ latest, err := fetchLatestPanelVersion()
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+ if err != nil {
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+ return nil, err
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+ }
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+ current := config.GetVersion()
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+ return &PanelUpdateInfo{
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+ CurrentVersion: current,
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+ LatestVersion: latest,
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+ UpdateAvailable: isNewerVersion(latest, current),
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+ }, nil
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+}
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+
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+// StartUpdate starts the official updater outside of the current web request.
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+func (s *PanelService) StartUpdate() error {
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+ if runtime.GOOS != "linux" {
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+ return fmt.Errorf("panel web update is supported only on Linux installations")
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+ }
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+
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+ bash, err := exec.LookPath("bash")
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+ if err != nil {
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+ return fmt.Errorf("bash is required to run the panel updater: %w", err)
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+ }
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+ curl, err := exec.LookPath("curl")
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+ if err != nil {
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+ return fmt.Errorf("curl is required to download the panel updater: %w", err)
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+ }
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+
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+ mainFolder, serviceFolder := resolveUpdateFolders()
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+ updateScript := fmt.Sprintf("set -o pipefail; %s -fLs https://raw.githubusercontent.com/MHSanaei/3x-ui/main/update.sh | %s", shellQuote(curl), shellQuote(bash))
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+
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+ if systemdRun, err := exec.LookPath("systemd-run"); err == nil {
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+ unitName := fmt.Sprintf("x-ui-web-update-%d", time.Now().Unix())
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+ cmd := exec.Command(systemdRun,
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+ "--unit", unitName,
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+ "--setenv", "XUI_MAIN_FOLDER="+mainFolder,
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+ "--setenv", "XUI_SERVICE="+serviceFolder,
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+ bash, "-lc", updateScript,
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+ )
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+ out, err := cmd.CombinedOutput()
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+ if err != nil {
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+ output := strings.TrimSpace(string(out))
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+ if !strings.Contains(output, "System has not been booted with systemd") &&
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+ !strings.Contains(output, "Failed to connect to bus") {
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+ return fmt.Errorf("failed to start panel update job: %w: %s", err, output)
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+ }
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+ logger.Warning("systemd-run is unavailable, falling back to detached update process:", output)
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+ } else {
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+ logger.Infof("started panel update job via systemd-run unit %s", unitName)
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+ return nil
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+ }
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+ }
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+
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+ cmd := exec.Command(bash, "-lc", updateScript)
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+ cmd.Env = append(os.Environ(),
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+ "XUI_MAIN_FOLDER="+mainFolder,
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+ "XUI_SERVICE="+serviceFolder,
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+ )
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+ setDetachedProcess(cmd)
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+ if err := cmd.Start(); err != nil {
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+ return fmt.Errorf("failed to start panel update job: %w", err)
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+ }
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+ if err := cmd.Process.Release(); err != nil {
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+ logger.Warning("failed to release panel update process:", err)
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+ }
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+ logger.Infof("started panel update job with pid %d", cmd.Process.Pid)
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+ return nil
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+}
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+
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+func fetchLatestPanelVersion() (string, error) {
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+ client := &http.Client{Timeout: 10 * time.Second}
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+ resp, err := client.Get("https://api.github.com/repos/MHSanaei/3x-ui/releases/latest")
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+ if err != nil {
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+ return "", err
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+ }
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+ defer resp.Body.Close()
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+ if resp.StatusCode != http.StatusOK {
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+ return "", fmt.Errorf("GitHub API returned status %d: %s", resp.StatusCode, resp.Status)
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+ }
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+
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+ var release Release
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+ if err := json.NewDecoder(resp.Body).Decode(&release); err != nil {
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+ return "", err
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+ }
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+ if release.TagName == "" {
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+ return "", fmt.Errorf("latest panel release tag is empty")
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+ }
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+ return release.TagName, nil
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+}
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+
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+func resolveUpdateFolders() (string, string) {
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+ mainFolder := os.Getenv("XUI_MAIN_FOLDER")
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+ if mainFolder == "" {
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+ if exePath, err := os.Executable(); err == nil {
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+ mainFolder = filepath.Dir(exePath)
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+ }
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+ }
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+ if mainFolder == "" {
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+ mainFolder = "/usr/local/x-ui"
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+ }
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+
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+ serviceFolder := os.Getenv("XUI_SERVICE")
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+ if serviceFolder == "" {
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+ serviceFolder = "/etc/systemd/system"
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+ }
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+ return mainFolder, serviceFolder
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+}
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+
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+func isNewerVersion(latest string, current string) bool {
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+ cmp, ok := compareVersionStrings(latest, current)
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+ if !ok {
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+ return normalizeVersionTag(latest) != normalizeVersionTag(current)
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+ }
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+ return cmp > 0
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+}
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+
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+func compareVersionStrings(a string, b string) (int, bool) {
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+ aParts, okA := parseVersionParts(a)
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+ bParts, okB := parseVersionParts(b)
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+ if !okA || !okB {
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+ return 0, false
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+ }
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+ for i := 0; i < len(aParts); i++ {
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+ if aParts[i] > bParts[i] {
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+ return 1, true
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+ }
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+ if aParts[i] < bParts[i] {
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+ return -1, true
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+ }
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+ }
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+ return 0, true
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+}
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+
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+func parseVersionParts(version string) ([3]int, bool) {
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+ var result [3]int
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+ parts := strings.Split(normalizeVersionTag(version), ".")
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+ if len(parts) != 3 {
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+ return result, false
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+ }
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+ for i, part := range parts {
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+ n, err := strconv.Atoi(part)
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+ if err != nil {
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+ return result, false
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+ }
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+ result[i] = n
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+ }
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+ return result, true
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+}
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+
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+func normalizeVersionTag(version string) string {
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+ return strings.TrimPrefix(strings.TrimSpace(version), "v")
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+}
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+
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+func shellQuote(value string) string {
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+ return "'" + strings.ReplaceAll(value, "'", "'\\''") + "'"
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+}
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Farhad H. P. Shirvan