74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"os/signal"
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"path/filepath"
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"strings"
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"syscall"
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)
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var (
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envFile = flag.String("env", "$HOME/.config/i3-wrapper/environment", "environment file with variable definitions")
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)
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var (
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i3 *os.Process
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running bool
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)
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func main() {
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logFile, err := os.Create(filepath.Join(os.Getenv("HOME"), ".i3.log"))
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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defer logFile.Close()
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os.Stdout = logFile
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os.Stderr = logFile
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fmt.Println("environment file:", os.ExpandEnv(*envFile))
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-sigs
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running = false
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i3.Signal(sig)
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}()
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running = true
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for running {
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cmd := exec.Command("i3")
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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cmd.Env = os.Environ()
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if envData, err := ioutil.ReadFile(os.ExpandEnv(*envFile)); err == nil {
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cmd.Env = append(cmd.Env, strings.Split(string(envData), "\n")...)
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} else {
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fmt.Println(err)
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}
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err = cmd.Start()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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i3 = cmd.Process
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err = cmd.Wait()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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if _, ok := err.(*exec.ExitError); ok {
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break
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}
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}
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}
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