mirror of https://github.com/Hilbis/Hilbish
102 lines
1.7 KiB
Go
102 lines
1.7 KiB
Go
package main
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import (
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_ "bufio"
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"fmt"
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"os"
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"os/exec"
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_ "os/user"
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"syscall"
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"os/signal"
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"strings"
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"github.com/akamensky/argparse"
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"github.com/bobappleyard/readline"
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"github.com/yuin/gopher-lua"
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)
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const version = "0.0.4"
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var l *lua.LState
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var prompt string
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func main() {
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parser := argparse.NewParser("hilbish", "A shell for lua and flower lovers")
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verflag := parser.Flag("v", "version", &argparse.Options{
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Required: false,
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Help: "color palette to use",
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})
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err := parser.Parse(os.Args)
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if err != nil {
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fmt.Print(parser.Usage(err))
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os.Exit(0)
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}
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if *verflag {
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fmt.Printf("Hilbish v%s\n", version)
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os.Exit(0)
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}
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os.Setenv("SHELL", os.Args[0])
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HandleSignals()
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LuaInit()
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for {
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//user, _ := user.Current()
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//dir, _ := os.Getwd()
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//host, _ := os.Hostname()
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//reader := bufio.NewReader(os.Stdin)
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//fmt.Printf(prompt)
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cmdString, err := readline.String(prompt)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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cmdString = strings.TrimSuffix(cmdString, "\n")
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err = l.DoString(cmdString)
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if err == nil { continue }
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cmdArgs := strings.Fields(cmdString)
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if len(cmdArgs) == 0 { continue }
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switch cmdArgs[0] {
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case "exit":
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os.Exit(0)
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}
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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if err := cmd.Run(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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readline.AddHistory(cmdString)
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}
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}
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func HandleSignals() {
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c := make(chan os.Signal)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-c
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}()
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}
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func LuaInit() {
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l = lua.NewState()
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l.OpenLibs()
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l.SetGlobal("prompt", l.NewFunction(hshprompt))
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err := l.DoFile(os.Getenv("HOME") + "/.hilbishrc.lua")
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if err != nil {
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panic(err)
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}
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}
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