lf/main.go
2016-08-13 15:49:04 +03:00

100 lines
1.8 KiB
Go

package main
import (
"flag"
"fmt"
"log"
"os"
"os/exec"
"path"
)
var (
envUser = os.Getenv("USER")
envHome = os.Getenv("HOME")
envHost = os.Getenv("HOSTNAME")
envShell = os.Getenv("SHELL")
)
var (
gExitFlag bool
gSelectionPath string
gSocketPath string
gLogPath string
gServerLogPath string
gConfigPath string
)
func init() {
if envUser == "" {
log.Fatal("$USER not set")
}
if envHome == "" {
envHome = "/home/" + envUser
}
if envHost == "" {
host, err := os.Hostname()
if err != nil {
log.Fatal("$HOSTNAME not set")
}
envHost = host
}
tmp := os.TempDir()
gSocketPath = path.Join(tmp, fmt.Sprintf("lf.%s.sock", envUser))
// TODO: unique log file for each client
gLogPath = path.Join(tmp, fmt.Sprintf("lf.%s.log", envUser))
gServerLogPath = path.Join(tmp, fmt.Sprintf("lf.%s.server.log", envUser))
// TODO: xdg-config-home etc.
gConfigPath = path.Join(envHome, ".config", "lf", "lfrc")
}
func startServer() {
cmd := exec.Command(os.Args[0], "-server")
err := cmd.Start()
if err != nil {
log.Print(err)
}
}
func main() {
serverMode := flag.Bool("server", false, "start server (automatic)")
lastDirPath := flag.String("last-dir-path", "", "path to the file to write the last dir on exit (to use for cd)")
flag.StringVar(&gSelectionPath, "selection-path", "", "path to the file to write selected files on exit (to use as open file dialog)")
flag.Parse()
if *serverMode {
serve()
} else {
// TODO: check if the socket is working
_, err := os.Stat(gSocketPath)
if err != nil {
startServer()
}
client()
}
if *lastDirPath != "" {
f, err := os.Create(*lastDirPath)
if err != nil {
log.Print(err)
}
defer f.Close()
wd, err := os.Getwd()
if err != nil {
log.Print(err)
}
_, err = f.WriteString(wd)
if err != nil {
log.Print(err)
}
}
}