mirror of https://github.com/Hilbis/Hilbish
153 lines
3.2 KiB
Go
153 lines
3.2 KiB
Go
package main
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"syscall"
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"hilbish/golibs/bait"
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"hilbish/golibs/commander"
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"hilbish/golibs/fs"
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"github.com/yuin/gopher-lua"
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"layeh.com/gopher-luar"
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)
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var minimalconf = `
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lunacolors = require 'lunacolors'
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prompt(lunacolors.format(
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'{blue}%u {cyan}%d {green}∆{reset} '
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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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l.SetGlobal("multiprompt", l.NewFunction(hshmlprompt))
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l.SetGlobal("alias", l.NewFunction(hshalias))
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l.SetGlobal("appendPath", l.NewFunction(hshappendPath))
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l.SetGlobal("exec", l.NewFunction(hshexec))
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l.SetGlobal("goro", luar.New(l, hshgoroutine))
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// yes this is stupid, i know
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l.PreloadModule("hilbish", HilbishLoader)
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l.DoString("hilbish = require 'hilbish'")
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// Add fs module to Lua
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l.PreloadModule("fs", fs.Loader)
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cmds := commander.New()
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// When a command from Lua is added, register it for use
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cmds.Events.On("commandRegister",
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func(cmdName string, cmd *lua.LFunction) {
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commands[cmdName] = true
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l.SetField(
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l.GetTable(l.GetGlobal("commanding"),
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lua.LString("__commands")),
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cmdName,
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cmd)
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})
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l.PreloadModule("commander", cmds.Loader)
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hooks = bait.New()
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l.PreloadModule("bait", hooks.Loader)
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// Add more paths that Lua can require from
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l.DoString("package.path = package.path .. " + requirePaths)
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err := l.DoFile("preload.lua")
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if err != nil {
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err = l.DoFile(preloadPath)
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if err != nil {
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fmt.Fprintln(os.Stderr,
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"Missing preload file, builtins may be missing.")
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}
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}
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}
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func RunConfig(confpath string) {
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if !interactive {
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return
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}
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err := l.DoFile(confpath)
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if err != nil {
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fmt.Fprintln(os.Stderr, err,
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"\nAn error has occured while loading your config! Falling back to minimal default config.")
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l.DoString(minimalconf)
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}
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}
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func RunLogin() {
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if _, err := os.Stat(homedir + "/.hprofile.lua"); os.IsNotExist(err) {
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return
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}
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if !login {
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return
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}
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err := l.DoFile(homedir + "/.hprofile.lua")
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if err != nil {
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fmt.Fprintln(os.Stderr, err,
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"\nAn error has occured while loading your login config!n")
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}
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}
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func hshprompt(L *lua.LState) int {
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prompt = L.CheckString(1)
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return 0
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}
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func hshmlprompt(L *lua.LState) int {
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multilinePrompt = L.CheckString(1)
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return 0
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}
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func hshalias(L *lua.LState) int {
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alias := L.CheckString(1)
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source := L.CheckString(2)
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aliases[alias] = source
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return 1
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}
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func hshappendPath(L *lua.LState) int {
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dir := L.CheckString(1)
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dir = strings.Replace(dir, "~", curuser.HomeDir, 1)
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pathenv := os.Getenv("PATH")
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// if dir isnt already in $PATH, add it
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if !strings.Contains(pathenv, dir) {
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os.Setenv("PATH", pathenv + ":" + dir)
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}
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return 0
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}
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func hshexec(L *lua.LState) int {
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cmd := L.CheckString(1)
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cmdArgs, _ := splitInput(cmd)
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cmdPath, err := exec.LookPath(cmdArgs[0])
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if err != nil {
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fmt.Println(err)
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// if we get here, cmdPath will be nothing
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// therefore nothing will run
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}
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// syscall.Exec requires an absolute path to a binary
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// path, args, string slice of environments
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// TODO: alternative for windows
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syscall.Exec(cmdPath, cmdArgs, os.Environ())
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return 0 // random thought: does this ever return?
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}
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func hshgoroutine(gofunc func()) {
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go gofunc()
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}
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