chore: move updater

go/cmd/updater/launcher_linux.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+)
+
+var local_qt_theme bool
+
+func Launcher() {
+	log.Println("Running as launcher")
+	wd, _ := filepath.Abs(".")
+
+	_debug := flag.Bool("debug", false, "Debug mode")
+	flag.BoolVar(&local_qt_theme, "theme", false, "Use local QT theme (unstable)")
+	flag.Parse()
+
+	// Find & symlink some Qt Plugin to enable system theme
+	tryLinkQtPlugin("styles", !local_qt_theme)
+	tryLinkQtPlugin("platformthemes", !local_qt_theme)
+
+	cmd := exec.Command("./nekoray", flag.Args()...)
+	cmd.Env = os.Environ()
+	ld_env := "LD_LIBRARY_PATH=" + filepath.Join(wd, "./usr/lib")
+	cmd.Env = append(cmd.Env, ld_env)
+	log.Println(ld_env, cmd)
+
+	if *_debug {
+		cmd.Env = append(cmd.Env, "QT_DEBUG_PLUGINS=1")
+		cmd.Stdin = os.Stdin
+		cmd.Stderr = os.Stderr
+		cmd.Stdout = os.Stdout
+		cmd.Run()
+	} else {
+		cmd.Start()
+	}
+}
+
+func tryLinkQtPlugin(sub string, remove bool) {
+	wd_plugins_sub := filepath.Join("./usr/plugins", sub)
+
+	if Exist(wd_plugins_sub) {
+		if remove {
+			os.RemoveAll(wd_plugins_sub)
+		}
+	} else {
+		if remove {
+			return
+		}
+
+		arch := "x86_64"
+		if runtime.GOARCH == "arm64" {
+			arch = "aarch64"
+		}
+
+		paths := []string{
+			filepath.Join("/usr/lib/qt5/plugins", sub),
+			filepath.Join("/usr/lib64/qt5/plugins", sub),
+			filepath.Join("/usr/lib/"+arch+"-linux-gnu/qt5/plugins", sub),
+			filepath.Join("/usr/lib/qt/plugins", sub),
+		}
+		path := FindExist(paths)
+		if path == "" {
+			log.Println("warning:", sub, "not found")
+			return
+		}
+
+		err := os.Symlink(path, wd_plugins_sub)
+		if err != nil {
+			log.Println("symlink failed:", err.Error())
+		}
+	}
+}