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mirror of https://github.com/hrfee/jfa-go.git synced 2024-12-22 09:00:10 +00:00
jfa-go/restart.go
Harvey Tindall 0e21942cd6
add hard restart for updates on *nix
reincarnates app.Restart() removed in
bbb0568cc4 as app.HardRestart().
2021-05-03 20:08:23 +01:00

33 lines
664 B
Go

// +build !windows
package main
import (
"fmt"
"os"
"os/signal"
"syscall"
)
func (app *appContext) HardRestart() error {
defer func() {
if r := recover(); r != nil {
signal.Notify(app.quit, os.Interrupt)
<-app.quit
}
}()
args := os.Args
// After a single restart, args[0] gets messed up and isnt the real executable.
// JFA_DEEP tells the new process its a child, and JFA_EXEC is the real executable
if os.Getenv("JFA_DEEP") == "" {
os.Setenv("JFA_DEEP", "1")
os.Setenv("JFA_EXEC", args[0])
}
env := os.Environ()
err := syscall.Exec(os.Getenv("JFA_EXEC"), []string{""}, env)
if err != nil {
return err
}
panic(fmt.Errorf("r"))
}