✨ feat: Write cli executable as a go program (#4)

## Description

**What issue are you solving (or what feature are you adding) and how
are you doing it?**
I have opted to go with Golang as it has inbuilt support for writing
cross-platform executables unlike something like JS. And also, it has
support for running docker using the unix socket directly in code.

LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2024 netris
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

cmd/nestri.ascii

@@ -0,0 +1,20 @@
+**************************************************
+##################################################
+##################################################
+##################################################
+##################################################
+::::::::::::::::::::::::::::::::::::::::::::::::::
+
+**************************************************
+##################################################
+##################################################
+##################################################
+##################################################
+::::::::::::::::::::::::::::::::::::::::::::::::::
+
+**************************************************
+##################################################
+##################################################
+##################################################
+##################################################
+::::::::::::::::::::::::::::::::::::::::::::::::::

cmd/root.go

@@ -0,0 +1,140 @@
+/*
+Copyright © 2024 Nestri <>
+*/
+package cmd
+
+import (
+	_ "embed"
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+
+	"github.com/nestriness/cli/pkg/specs"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/charmbracelet/lipgloss/table"
+	"github.com/muesli/termenv"
+	"github.com/spf13/cobra"
+)
+
+//go:embed nestri.ascii
+var art string
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "nestri",
+	Short: "A CLI tool to manage your cloud gaming service",
+	Args:  cobra.NoArgs,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return cmd.Help()
+	},
+}
+
+var neoFetchCmd = &cobra.Command{
+	Use:   "neofetch",
+	Short: "Show important system information",
+	Args:  cobra.NoArgs,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		lipgloss.SetColorProfile(termenv.TrueColor)
+
+		// baseStyle := lipgloss.NewStyle().
+		// 	MarginTop(1).
+		// 	MarginRight(4).
+		// 	MarginBottom(1).
+		// 	MarginLeft(4)
+
+		var (
+			b      strings.Builder
+			lines  = strings.Split(art, "\n")
+			colors = []string{"#CC3D00", "#CC3D00"}
+			step   = len(lines) / len(colors)
+		)
+
+		for i, l := range lines {
+			n := clamp(0, len(colors)-1, i/step)
+			b.WriteString(colorize(colors[n], l))
+			b.WriteRune('\n')
+		}
+
+		t := table.New().
+			Border(lipgloss.HiddenBorder()).BorderStyle(lipgloss.NewStyle().Width(3))
+		//TODO: show this specs
+		// info := &specs.Specs{}
+		// infoChan := make(chan specs.Specs, 1)
+		// var wg sync.WaitGroup
+		// wg.Add(1)
+		// go getSpecs(info, infoChan, &wg)
+		// wg.Wait()
+		// newInfo := <-infoChan
+
+		t.Row(b.String())
+
+		fmt.Print(t)
+
+		return nil
+	},
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+	rootCmd.AddCommand(neoFetchCmd)
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cli.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+func colorize(c, s string) string {
+	return lipgloss.NewStyle().Foreground(lipgloss.Color(c)).Render(s)
+}
+
+func clamp(v, low, high int) int {
+	if high < low {
+		low, high = high, low
+	}
+	return min(high, max(low, v))
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func getSpecs(info *specs.Specs, infoChan chan specs.Specs, wg *sync.WaitGroup) {
+	defer wg.Done()
+	sys := specs.New()
+	// info.Userhost = getUserHostname()
+	// info.OS = getOSName()
+	// info.Kernel = getKernelVersion()
+	// info.Uptime = getUptime()
+	// info.Shell = getShell()
+	// info.CPU = getCPUName()
+	// info.RAM = getMemStats()
+	info.GPU, _ = sys.GetGPUInfo()
+	// info.SystemArch, _ = getSystemArch()
+	// info.DiskUsage, _ = getDiskUsage()
+	infoChan <- *info
+}

go.mod

@@ -0,0 +1,18 @@
+module github.com/nestriness/cli
+
+go 1.22.2
+
+require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/lipgloss v0.11.0 // indirect
+	github.com/charmbracelet/x/ansi v0.1.1 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/muesli/termenv v0.15.2 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/spf13/cobra v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/sys v0.19.0 // indirect
+)

go.sum

@@ -0,0 +1,30 @@
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/lipgloss v0.11.0 h1:UoAcbQ6Qml8hDwSWs0Y1cB5TEQuZkDPH/ZqwWWYTG4g=
+github.com/charmbracelet/lipgloss v0.11.0/go.mod h1:1UdRTH9gYgpcdNN5oBtjbu/IzNKtzVtb7sqN1t9LNn8=
+github.com/charmbracelet/x/ansi v0.1.1 h1:CGAduulr6egay/YVbGc8Hsu8deMg1xZ/bkaXTPi1JDk=
+github.com/charmbracelet/x/ansi v0.1.1/go.mod h1:dk73KoMTT5AX5BsX0KrqhsTqAnhZZoCBjs7dGWp4Ktw=
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
+github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
+github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
+github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,11 @@
+/*
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+
+*/
+package main
+
+import "github.com/nestriness/cli/cmd"
+
+func main() {
+	cmd.Execute()
+}

pkg/specs/system.go

@@ -0,0 +1,76 @@
+package specs
+
+import (
+	"fmt"
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+type SysSpecs struct {
+	osx string
+}
+
+func New() *SysSpecs {
+	return &SysSpecs{osx: runtime.GOOS}
+}
+
+func (s SysSpecs) GetGPUInfo() (string, error) {
+	var output []byte
+	var err error
+
+	switch s.osx {
+	case "windows":
+		output, err = exec.Command("wmic", "path", "win32_VideoController", "get", "name").Output()
+		if err != nil {
+			return "", fmt.Errorf("error retrieving GPU information on Windows: %v", err)
+		}
+	case "darwin":
+		output, err = exec.Command("system_profiler", "SPDisplaysDataType").Output()
+		if err != nil {
+			return "", fmt.Errorf("error retrieving GPU information on macOS: %v", err)
+		}
+	case "linux":
+		output, err = exec.Command("lspci", "-vnn").Output()
+		if err != nil {
+			return "", fmt.Errorf("error retrieving GPU information on Linux: %v", err)
+		}
+	default:
+		return "", fmt.Errorf("error: GPU information retrieval not implemented for %s", runtime.GOOS)
+	}
+
+	outputStr := strings.TrimSpace(string(output))
+
+	if s.osx == "windows" {
+		lines := strings.Split(outputStr, "\r\n")[1:]
+		gpuName := strings.TrimSpace(strings.Join(lines, " "))
+		return gpuName, nil
+	}
+
+	if s.osx == "darwin" {
+		lines := strings.Split(outputStr, "\n")
+		for _, line := range lines {
+			if strings.Contains(line, "Chipset Model:") {
+				fields := strings.Split(line, ":")
+				if len(fields) >= 2 {
+					gpuName := strings.TrimSpace(fields[1])
+					return gpuName, nil
+				}
+			}
+		}
+		return "", fmt.Errorf("error parsing GPU information on macOS")
+	}
+
+	lines := strings.Split(outputStr, "\n")
+
+	for _, line := range lines {
+		if strings.Contains(line, "VGA compatible controller") {
+			fields := strings.Fields(line)
+			if len(fields) > 2 {
+				gpuName := strings.Join(fields[2:], " ")
+				return gpuName, nil
+			}
+		}
+	}
+	return "", fmt.Errorf("error parsing GPU information on Linux")
+}

pkg/specs/types.go

@@ -0,0 +1,14 @@
+package specs
+
+type Specs struct {
+	Userhost   string
+	OS         string
+	Kernel     string
+	Uptime     string
+	Shell      string
+	CPU        string
+	RAM        string
+	GPU        string
+	SystemArch string
+	DiskUsage  string
+}