Add tmux-color subcommand

cmd/tmux_color.go

@@ -0,0 +1,37 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+const (
+	tmuxRed   = "colour1"
+	tmuxGreen = "colour2"
+)
+
+func init() {
+	RootCmd.AddCommand(&cobra.Command{
+		Use:   "tmux-color",
+		Short: "Return a tmux color string for the status.",
+		RunE:  tmuxColorCmd,
+	})
+}
+
+func tmuxColorCmd(cmd *cobra.Command, args []string) error {
+	s, err := client.CurrentState()
+	if err != nil {
+		return err
+	}
+
+	if s.Pomodoro.IsActive() {
+		fmt.Printf(tmuxGreen)
+	}
+
+	if s.Pomodoro.IsDone() {
+		fmt.Printf(tmuxRed)
+	}
+
+	return nil
+}