/
xinit.go
63 lines (57 loc) · 1.29 KB
/
xinit.go
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// Copyright 2018 the u-root Authors. All rights reserved
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"time"
)
func x11(n string, args ...string) error {
cmd := exec.Command(n, args...)
cmd.Env = append(os.Environ(), "DISPLAY=:0")
cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("X11 start %v %v: %v", n, args, err)
}
return nil
}
func setup() error {
if err := os.Symlink("/usr/local/bin/bash", "/bin/bash"); err != nil {
return err
}
if err := os.Symlink("/lib/ld-linux-x86-64.so.2", "/lib64/ld-linux-x86-64.so.2"); err != nil {
return err
}
go func() {
cmd := exec.Command("Xfbdev")
cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
if err := cmd.Run(); err != nil {
log.Fatalf("X11 startup: %v", err)
}
}()
for {
s, err := filepath.Glob("/tmp/.X*/X?")
if err != nil {
return err
}
if len(s) > 0 {
break
}
time.Sleep(time.Second)
}
for _, f := range []string{"wingo", "flwm", "chrome"} {
log.Printf("Run %v", f)
go x11(f)
}
// we block on the aterm. When the aterm exits, we do too.
return x11("aterm")
}
func main() {
if err := setup(); err != nil {
log.Fatal(err)
}
}