Started project, created minimal shell

cmd/app/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+
+	"nshell/executor"
+	"nshell/suggestions"
+
+	"github.com/c-bata/go-prompt"
+)
+
+func main() {
+	fmt.Println("Wellcome to noko-shell(nshell) :3")
+
+	options := []prompt.Option{
+		prompt.OptionPrefix("nshell ^^>"),
+		prompt.OptionPrefixTextColor(prompt.Cyan),
+	}
+
+	p := prompt.New(executor.Exec, suggestions.Completer, options...)
+	p.Run()
+}

config/config.go

@@ -0,0 +1,6 @@
+// Package config current shell config
+package config
+
+type Config struct {
+	UserLine string
+}

executor/executor.go

@@ -0,0 +1,45 @@
+// Package executor exec commands
+package executor
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func Exec(line string) {
+	line = strings.TrimSpace(line)
+	if line == "" {
+		return
+	}
+
+	args := strings.Fields(line)
+	command := args[0]
+	commandArgs := args[1:]
+
+	if command == "exit" {
+		fmt.Println("Bye Bye my small deer :3")
+		os.Exit(0)
+	}
+
+	if command == "cd" {
+		if len(commandArgs) < 1 {
+			fmt.Fprintln(os.Stderr, "cd: argument was skipped")
+			return
+		}
+		if err := os.Chdir(commandArgs[0]); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+		}
+		return
+	}
+
+	cmd := exec.Command(command, commandArgs...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	if err := cmd.Run(); err != nil {
+		fmt.Fprintf(os.Stderr, "Execution error: %v\n", err)
+	}
+}

go.mod

@@ -0,0 +1,14 @@
+module nshell
+
+go 1.27.2
+
+require github.com/c-bata/go-prompt v0.2.6
+
+require (
+	github.com/mattn/go-colorable v0.1.7 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/mattn/go-tty v0.0.3 // indirect
+	github.com/pkg/term v1.2.0-beta.2 // indirect
+	golang.org/x/sys v0.0.0-20200918174421-af09f7315aff // indirect
+)

go.sum

@@ -0,0 +1,25 @@
+github.com/c-bata/go-prompt v0.2.6 h1:POP+nrHE+DfLYx370bedwNhsqmpCUynWPxuHi0C5vZI=
+github.com/c-bata/go-prompt v0.2.6/go.mod h1:/LMAke8wD2FsNu9EXNdHxNLbd9MedkPnCdfpU9wwHfY=
+github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
+github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-tty v0.0.3 h1:5OfyWorkyO7xP52Mq7tB36ajHDG5OHrmBGIS/DtakQI=
+github.com/mattn/go-tty v0.0.3/go.mod h1:ihxohKRERHTVzN+aSVRwACLCeqIoZAWpoICkkvrWyR0=
+github.com/pkg/term v1.2.0-beta.2 h1:L3y/h2jkuBVFdWiJvNfYfKmzcCnILw7mJWm2JQuMppw=
+github.com/pkg/term v1.2.0-beta.2/go.mod h1:E25nymQcrSllhX42Ok8MRm1+hyBdHY0dCeiKZ9jpNGw=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200918174421-af09f7315aff h1:1CPUrky56AcgSpxz/KfgzQWzfG09u5YOL8MvPYBlrL8=
+golang.org/x/sys v0.0.0-20200918174421-af09f7315aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

suggestions/suggestions.go

@@ -0,0 +1,13 @@
+// Package suggestions
+package suggestions
+
+import "github.com/c-bata/go-prompt"
+
+var defaultSuggestions = []prompt.Suggest{
+	{Text: "exit", Description: "Exit from shell"},
+}
+
+func Completer(d prompt.Document) []prompt.Suggest {
+	// Если пользователь уже начал что-то писать, фильтруем список
+	return prompt.FilterHasPrefix(defaultSuggestions, d.GetWordBeforeCursor(), true)
+}