fix minor bugs and add do

cmd/char/do.go

@@ -0,0 +1,67 @@
+package char
+
+import (
+	"context"
+	"log"
+
+	"git.front.kjuulh.io/kjuulh/char/pkg/charcontext"
+	"github.com/spf13/cobra"
+)
+
+type RequiredArg struct {
+	Required bool
+	Value    string
+}
+
+func NewDoCommand(charctx *charcontext.CharContext) *cobra.Command {
+	cmd := &cobra.Command{
+		Use: "do",
+	}
+	about, err := charctx.About(context.Background())
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, a := range about {
+		for _, c := range a.Commands {
+			requiredArgs := make(map[string]*RequiredArg, len(c.Args))
+			for _, arg := range c.Args {
+				requiredArgs[arg] = &RequiredArg{
+					Required: false,
+				}
+			}
+			for _, required := range c.Required {
+				if _, ok := requiredArgs[required]; ok {
+					requiredArg := requiredArgs[required]
+					requiredArg.Required = true
+				}
+			}
+
+			doCmd := &cobra.Command{
+				Use: c.Name,
+				RunE: func(cmd *cobra.Command, args []string) error {
+					if err := cmd.ParseFlags(args); err != nil {
+						return err
+					}
+
+					if err := charctx.Do(cmd.Context(), a.Name, c.Name); err != nil {
+						return err
+					}
+
+					return nil
+				},
+			}
+
+			for argName, argValue := range requiredArgs {
+				doCmd.PersistentFlags().StringVar(&argValue.Value, argName, "", "")
+				if argValue.Required {
+					doCmd.MarkPersistentFlagRequired(argName)
+				}
+			}
+
+			cmd.AddCommand(doCmd)
+		}
+	}
+
+	return cmd
+}