feat: git init

pkg/progress/spinner.go

@@ -0,0 +1,84 @@
+package progress
+
+import (
+	"fmt"
+	"sync"
+	"time"
+)
+
+// Spinner displays an animated spinner with a message
+type Spinner struct {
+	message  string
+	frames   []string
+	interval time.Duration
+	stop     chan struct{}
+	done     chan struct{}
+	mu       sync.Mutex
+	running  bool
+}
+
+// NewSpinner creates a new spinner with the given message
+func NewSpinner(message string) *Spinner {
+	return &Spinner{
+		message:  message,
+		frames:   []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"},
+		interval: 80 * time.Millisecond,
+		stop:     make(chan struct{}),
+		done:     make(chan struct{}),
+	}
+}
+
+// Start begins the spinner animation
+func (s *Spinner) Start() {
+	s.mu.Lock()
+	if s.running {
+		s.mu.Unlock()
+		return
+	}
+	s.running = true
+	s.mu.Unlock()
+
+	go func() {
+		i := 0
+		for {
+			select {
+			case <-s.stop:
+				// Clear the line and signal done
+				fmt.Print("\r\033[K")
+				close(s.done)
+				return
+			default:
+				fmt.Printf("\r%s %s", s.frames[i%len(s.frames)], s.message)
+				i++
+				time.Sleep(s.interval)
+			}
+		}
+	}()
+}
+
+// Stop stops the spinner and clears the line
+func (s *Spinner) Stop() {
+	s.mu.Lock()
+	if !s.running {
+		s.mu.Unlock()
+		return
+	}
+	s.running = false
+	s.mu.Unlock()
+
+	close(s.stop)
+	<-s.done
+}
+
+// StopWithMessage stops the spinner and prints a final message
+func (s *Spinner) StopWithMessage(message string) {
+	s.Stop()
+	fmt.Println(message)
+}
+
+// UpdateMessage updates the spinner message while running
+func (s *Spinner) UpdateMessage(message string) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	s.message = message
+}