| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | |
| 8 | "reasonix/internal/installlayout" |
| 9 | "reasonix/internal/proc" |
| 10 | ) |
| 11 | |
| 12 | // relaunchThroughLauncher starts the permanent thin launcher (or the active |
| 13 | // desktop). It never restarts a retained versions/<old>/ desktop binary. |
| 14 | func relaunchThroughLauncher() error { |
| 15 | return relaunchThroughLauncherWithEnv(nil) |
| 16 | } |
| 17 | |
| 18 | func relaunchThroughLauncherWithEnv(overrides map[string]string) error { |
| 19 | exe, err := os.Executable() |
| 20 | if err != nil { |
| 21 | return err |
| 22 | } |
| 23 | launcher, err := relaunchTarget(exe) |
| 24 | if err != nil { |
| 25 | return err |
| 26 | } |
| 27 | args := []string{} |
| 28 | // Only legacy guard understands "launch --detach"; the thin launcher strips it. |
| 29 | if strings.Contains(strings.ToLower(filepath.Base(launcher)), "guard") { |
| 30 | args = []string{"launch", "--detach"} |
| 31 | } |
| 32 | cmd := proc.VisibleCommand(launcher, args...) |
| 33 | if len(overrides) > 0 { |
| 34 | cmd.Env = processEnvWithOverrides(os.Environ(), overrides) |
| 35 | } |
| 36 | cmd.Stdout, cmd.Stderr, cmd.Stdin = os.Stdout, os.Stderr, os.Stdin |
| 37 | return cmd.Start() |
| 38 | } |
| 39 | |
| 40 | func relaunchTarget(exe string) (string, error) { |
| 41 | root := filepath.Dir(exe) |
| 42 | if resolved, err := installlayout.ResolveInstallRoot(exe); err == nil && resolved != "" { |
| 43 | root = resolved |
| 44 | } |
| 45 | path, err := installlayout.StableRelaunchPath(root) |
| 46 | if err != nil { |
| 47 | return "", err |
| 48 | } |
| 49 | return path, nil |
| 50 | } |
| 51 | |
| 52 | func processEnvWithOverrides(base []string, overrides map[string]string) []string { |
| 53 | env := make([]string, 0, len(base)+len(overrides)) |
| 54 | for _, entry := range base { |
| 55 | key, _, ok := strings.Cut(entry, "=") |
| 56 | if ok { |
| 57 | if _, overridden := overrides[key]; overridden { |
| 58 | continue |
| 59 | } |
| 60 | } |
| 61 | env = append(env, entry) |
| 62 | } |
| 63 | for key, value := range overrides { |
| 64 | env = append(env, key+"="+value) |
| 65 | } |
| 66 | return env |
| 67 | } |
| 68 |