Add helloworld utility and update welcome message in .bashrc

.bashrc

@@ -181,6 +181,6 @@ if [ -f $HOME/.bashrc.local ]; then
 fi
 
 # Display a welcome message for interactive shells
-if [ -t 1 ]; then
+if [ -t 1 ] && command -v helloworld &> /dev/null; then
-    dotf hello
+    helloworld
 fi

config/ansible/tasks/global/utils/helloworld.go

@@ -0,0 +1,365 @@
+package main
+
+import (
+	"fmt"
+	"math"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+)
+
+// ANSI color codes
+var colors = map[string]string{
+	"black":  "\033[0;30m",
+	"red":    "\033[0;31m",
+	"green":  "\033[0;32m",
+	"yellow": "\033[0;33m",
+	"blue":   "\033[0;34m",
+	"purple": "\033[0;35m",
+	"cyan":   "\033[0;36m",
+	"white":  "\033[0;37m",
+	"grey":   "\033[0;90m",
+	"reset":  "\033[0m",
+}
+
+// DistroIcon represents a distro icon and color
+type DistroIcon struct {
+	Icon  string
+	Color string
+}
+
+// DotfilesStatus represents the git status of dotfiles
+type DotfilesStatus struct {
+	IsDirty    bool
+	Untracked  int
+	Modified   int
+	Staged     int
+	CommitHash string
+	Unpushed   int
+}
+
+func main() {
+	welcome()
+}
+
+func rainbowColor(text string, freq float64, offset float64) string {
+	var result strings.Builder
+	for i, char := range text {
+		if strings.TrimSpace(string(char)) != "" { // Only color non-whitespace characters
+			// Calculate RGB values using sine waves with phase shifts
+			r := int(127*math.Sin(freq*float64(i)+offset+0) + 128)
+			g := int(127*math.Sin(freq*float64(i)+offset+2*math.Pi/3) + 128)
+			b := int(127*math.Sin(freq*float64(i)+offset+4*math.Pi/3) + 128)
+
+			// Apply the RGB color to the character
+			result.WriteString(fmt.Sprintf("\033[38;2;%d;%d;%dm%c\033[0m", r, g, b, char))
+		} else {
+			result.WriteRune(char)
+		}
+	}
+	return result.String()
+}
+
+func printLogo() {
+	logo := `    __  ___                      _          ____        __  _____ __
+   /  |/  /__  ____  ____  ____ ( )_____   / __ \____  / /_/ __(_) /__  _____
+  / /|_/ / _ \/ __ \/ __ \/ __ \|// ___/  / / / / __ \/ __/ /_/ / / _ \/ ___/
+ / /  / /  __/ / / / / / / /_/ / (__  )  / /_/ / /_/ / /_/ __/ / /  __(__  )
+/_/  /_/\___/_/ /_/_/ /_/\____/ /____/  /_____/\____/\__/_/ /_/_/\___/____/`
+
+	lines := strings.Split(logo, "\n")
+	for _, line := range lines {
+		if strings.TrimSpace(line) != "" {
+			fmt.Println(rainbowColor(line, 0.1, 0))
+		} else {
+			fmt.Println()
+		}
+	}
+	fmt.Println()
+}
+
+func getLastSSHLogin() string {
+	user := os.Getenv("USER")
+	if user == "" {
+		user = os.Getenv("USERNAME")
+	}
+	if user == "" {
+		return ""
+	}
+
+	// Try lastlog first
+	cmd := exec.Command("lastlog", "-u", user)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		// Try lastlog2
+		cmd = exec.Command("lastlog2", user)
+		output, err = cmd.CombinedOutput()
+		if err != nil {
+			return ""
+		}
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(output)), "\n")
+	if len(lines) >= 2 {
+		parts := strings.Fields(lines[1])
+		if len(parts) >= 7 && strings.Contains(parts[1], "ssh") {
+			ip := parts[2]
+			timeStr := strings.Join(parts[3:], " ")
+			return fmt.Sprintf("%sLast SSH login%s%s %s%s from%s %s",
+				colors["cyan"], colors["reset"], colors["yellow"], timeStr, colors["cyan"], colors["yellow"], ip)
+		}
+	}
+	return ""
+}
+
+func checkDotfilesStatus() *DotfilesStatus {
+	dotfilesPath := os.Getenv("DOTFILES_PATH")
+	if dotfilesPath == "" {
+		homeDir, _ := os.UserHomeDir()
+		dotfilesPath = filepath.Join(homeDir, ".dotfiles")
+	}
+
+	gitPath := filepath.Join(dotfilesPath, ".git")
+	if _, err := os.Stat(gitPath); os.IsNotExist(err) {
+		return nil
+	}
+
+	status := &DotfilesStatus{}
+
+	// Check git status
+	cmd := exec.Command("git", "status", "--porcelain")
+	cmd.Dir = dotfilesPath
+	output, err := cmd.Output()
+	if err == nil && strings.TrimSpace(string(output)) != "" {
+		status.IsDirty = true
+		lines := strings.Split(strings.TrimSpace(string(output)), "\n")
+		for _, line := range lines {
+			if strings.HasPrefix(line, "??") {
+				status.Untracked++
+			}
+			if strings.HasPrefix(line, " M") || strings.HasPrefix(line, "MM") {
+				status.Modified++
+			}
+			if strings.HasPrefix(line, "M ") || strings.HasPrefix(line, "A ") {
+				status.Staged++
+			}
+		}
+	}
+
+	// Get commit hash
+	cmd = exec.Command("git", "rev-parse", "--short", "HEAD")
+	cmd.Dir = dotfilesPath
+	output, err = cmd.Output()
+	if err == nil {
+		status.CommitHash = strings.TrimSpace(string(output))
+	}
+
+	// Count unpushed commits
+	cmd = exec.Command("git", "log", "--oneline", "@{u}..")
+	cmd.Dir = dotfilesPath
+	output, err = cmd.Output()
+	if err == nil {
+		lines := strings.Split(strings.TrimSpace(string(output)), "\n")
+		if len(lines) > 0 && lines[0] != "" {
+			status.Unpushed = len(lines)
+		}
+	}
+
+	return status
+}
+
+func getCondensedStatus() (string, string) {
+	var statusParts []string
+	var hashInfo string
+
+	// Check trash status
+	homeDir, _ := os.UserHomeDir()
+	trashPath := filepath.Join(homeDir, ".local", "share", "Trash", "files")
+	if entries, err := os.ReadDir(trashPath); err == nil {
+		count := len(entries)
+		if count > 0 {
+			statusParts = append(statusParts, fmt.Sprintf("[!] %d file(s) in trash", count))
+		}
+	}
+
+	// Check dotfiles status
+	dotfilesStatus := checkDotfilesStatus()
+	if dotfilesStatus != nil {
+		if dotfilesStatus.IsDirty {
+			statusParts = append(statusParts, fmt.Sprintf("%sdotfiles is dirty%s", colors["yellow"], colors["reset"]))
+			statusParts = append(statusParts, fmt.Sprintf("%s[%d] untracked%s", colors["red"], dotfilesStatus.Untracked, colors["reset"]))
+			statusParts = append(statusParts, fmt.Sprintf("%s[%d] modified%s", colors["yellow"], dotfilesStatus.Modified, colors["reset"]))
+			statusParts = append(statusParts, fmt.Sprintf("%s[%d] staged%s", colors["green"], dotfilesStatus.Staged, colors["reset"]))
+		}
+
+		if dotfilesStatus.CommitHash != "" {
+			hashInfo = fmt.Sprintf("%s[%s%s%s]%s", colors["white"], colors["blue"], dotfilesStatus.CommitHash, colors["white"], colors["reset"])
+			if dotfilesStatus.IsDirty {
+				statusParts = append(statusParts, hashInfo)
+				hashInfo = ""
+			}
+		}
+
+		if dotfilesStatus.Unpushed > 0 {
+			statusParts = append(statusParts, fmt.Sprintf("%s[!] You have %d commit(s) to push%s", colors["yellow"], dotfilesStatus.Unpushed, colors["reset"]))
+		}
+	} else {
+		statusParts = append(statusParts, "Unable to check dotfiles status")
+	}
+
+	statusLine := ""
+	if len(statusParts) > 0 {
+		statusLine = strings.Join(statusParts, " - ")
+	}
+	return statusLine, hashInfo
+}
+
+func runDotfilesCommand(args ...string) (string, error) {
+	cmd := exec.Command("dotfiles", args...)
+	output, err := cmd.Output()
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(output)), nil
+}
+
+func getDistroIcon() (string, string) {
+	distroIcons := map[string]DistroIcon{
+		"windows": {"\uf17a", colors["blue"]},   //  blue
+		"linux":   {"\uf17c", colors["yellow"]}, //  yellow
+		"ubuntu":  {"\uf31b", "\033[38;5;208m"}, //  orange (ANSI 208)
+		"debian":  {"\uf306", colors["red"]},    //  red
+		"arch":    {"\uf303", colors["cyan"]},   //  cyan
+		"fedora":  {"\uf30a", colors["blue"]},   //  blue
+		"alpine":  {"\uf300", colors["cyan"]},   //  cyan
+		"macos":   {"\uf179", colors["white"]},  //  white
+		"darwin":  {"\uf179", colors["white"]},  //  white
+		"osx":     {"\uf179", colors["white"]},  //  white
+	}
+
+	distro, err := runDotfilesCommand("variables", "get", "Platform.Distro", "--format", "raw")
+	if err != nil {
+		distro = strings.ToLower(runtime.GOOS)
+	} else {
+		distro = strings.ToLower(distro)
+	}
+
+	if icon, exists := distroIcons[distro]; exists {
+		return icon.Icon, icon.Color
+	}
+
+	// Try partial match
+	for key, icon := range distroIcons {
+		if strings.Contains(distro, key) {
+			return icon.Icon, icon.Color
+		}
+	}
+
+	return "", ""
+}
+
+func detectShell() string {
+	// Check for PowerShell profile
+	if os.Getenv("PROFILE") != "" || os.Getenv("PW_SH_PROFILE") != "" || os.Getenv("PSModulePath") != "" {
+		return "powershell"
+	}
+
+	if shell := os.Getenv("SHELL"); shell != "" {
+		return filepath.Base(shell)
+	}
+
+	if comspec := os.Getenv("COMSPEC"); comspec != "" {
+		if strings.HasSuffix(strings.ToLower(comspec), "cmd.exe") {
+			if os.Getenv("PROFILE") != "" {
+				return "Powershell"
+			}
+			return "CMD"
+		}
+		return filepath.Base(comspec)
+	}
+
+	return "unknown"
+}
+
+func welcome() {
+	printLogo()
+
+	hostname, err := os.Hostname()
+	if err != nil {
+		hostname = "unknown-host"
+	}
+
+	// Get distro icon
+	distroIcon, iconColor := getDistroIcon()
+
+	// Get username
+	username := os.Getenv("USER")
+	if username == "" {
+		username = os.Getenv("USERNAME")
+	}
+	if username == "" {
+		username = "user"
+	}
+
+	// Get SSH login info
+	sshLogin := getLastSSHLogin()
+
+	// Get shell and arch
+	shell := detectShell()
+	arch := runtime.GOARCH
+
+	// Capitalize shell and arch for display
+	shellDisp := strings.Title(shell)
+	archDisp := strings.ToUpper(arch)
+
+	// Get package managers
+	pkgMgrs, err := runDotfilesCommand("variables", "get", "Platform.AvailablePackageManagers", "--format", "raw")
+	if err != nil {
+		pkgMgrs = ""
+	}
+
+	// Compact single line: user@hostname with icon, shell, arch
+	fmt.Printf("%s%s%s@%s%s", colors["green"], username, colors["cyan"], colors["yellow"], hostname)
+	if distroIcon != "" {
+		fmt.Printf(" %s%s", iconColor, distroIcon)
+	}
+	fmt.Printf("%s running %s%s%s/%s%s", colors["cyan"], colors["blue"], shellDisp, colors["cyan"], colors["purple"], archDisp)
+
+	if pkgMgrs != "" {
+		// Parse and color package managers
+		pkgMgrs = strings.Trim(pkgMgrs, "[]")
+		pmList := strings.Fields(strings.ReplaceAll(pkgMgrs, ",", ""))
+		pmColors := []string{colors["yellow"], colors["green"], colors["cyan"], colors["red"], colors["blue"]}
+		var coloredPMs []string
+
+		for i, pm := range pmList {
+			color := pmColors[i%len(pmColors)]
+			coloredPMs = append(coloredPMs, fmt.Sprintf("%s%s", color, pm))
+		}
+
+		fmt.Printf("%s [%s%s]", colors["cyan"], strings.Join(coloredPMs, colors["cyan"]+"/"), colors["reset"])
+	} else {
+		fmt.Printf("%s", colors["reset"])
+	}
+
+	// Get status info
+	condensedStatus, hashInfo := getCondensedStatus()
+
+	// Add hash to same line if dotfiles is clean
+	if hashInfo != "" {
+		fmt.Printf(" %s", hashInfo)
+	}
+	fmt.Println()
+
+	// Display last SSH login info if available
+	if sshLogin != "" {
+		fmt.Printf("%s%s\n", sshLogin, colors["reset"])
+	}
+
+	// Display condensed status line only if there are issues
+	if condensedStatus != "" {
+		fmt.Printf("%s%s%s\n", colors["yellow"], condensedStatus, colors["reset"])
+	}
+}