blob: e0fceddf81336987810bc7ba868597a2a79e34f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
package main
import (
"log"
"os"
"os/exec"
"syscall"
)
func crossBuildStart() {
err := os.Remove("/bin/sh")
if err != nil {
log.Fatal(err)
}
err = os.Link("/usr/bin/resin-xbuild", "/bin/sh")
if err != nil {
log.Fatal(err)
}
}
func crossBuildEnd() {
err := os.Remove("/bin/sh")
if err != nil {
log.Fatal(err)
}
err = os.Link("/bin/sh.real", "/bin/sh")
if err != nil {
log.Fatal(err)
}
}
func runShell() error {
cmd := exec.Command("/usr/bin/qemu-arm-static", append([]string{"-0", "/bin/sh", "/bin/sh"}, os.Args[1:]...)...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func main() {
switch os.Args[0] {
case "cross-build-start":
crossBuildStart()
case "cross-build-end":
crossBuildEnd()
case "/bin/sh":
code := 0
crossBuildEnd()
if err := runShell(); err != nil {
code = 1
if exiterr, ok := err.(*exec.ExitError); ok {
if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {
code = status.ExitStatus()
}
}
}
crossBuildStart()
// Hack to bypass apk issues with triggering
code = 0
os.Exit(code)
}
}
|