cmd/internal/previous: allow users to go back when executing runbooks

cmd/internal/previous.go

@@ -0,0 +1,62 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/getsavvyinc/savvy-cli/display"
+	"github.com/getsavvyinc/savvy-cli/server/run"
+	"github.com/spf13/cobra"
+)
+
+// previousCommand represents the next command
+var previousCmd = &cobra.Command{
+	Use:    "previous",
+	Hidden: true,
+	Short:  "Update runbook state to the previous step",
+	Run: func(cmd *cobra.Command, args []string) {
+		ctx := cmd.Context()
+		cl, err := run.NewDefaultClient(ctx)
+		if err != nil {
+			display.ErrorWithSupportCTA(err)
+			return
+		}
+
+		state, err := cl.CurrentState()
+		if err != nil {
+			display.ErrorWithSupportCTA(err)
+			os.Exit(1)
+		}
+
+		if forcePrevious {
+			updated, err := previousCommand(ctx, cl)
+			if err != nil {
+				display.ErrorWithSupportCTA(err)
+				os.Exit(1)
+			}
+			fmt.Printf("%d", updated.Index)
+			return
+		}
+		fmt.Printf("%d", state.Index)
+	},
+}
+
+func previousCommand(ctx context.Context, cl run.Client) (*run.State, error) {
+	if err := cl.PreviousCommand(); err != nil {
+		return nil, err
+	}
+
+	updatedState, err := cl.CurrentState()
+	if err != nil {
+		return nil, err
+	}
+	return updatedState, nil
+}
+
+var forcePrevious bool
+
+func init() {
+	InternalCmd.AddCommand(previousCmd)
+	previousCmd.Flags().BoolVarP(&forcePrevious, "force", "f", false, "force previous command regardless of current state")
+}