Revert "Remove pgroll sql subcommand (#515)"

This reverts commit 358c6c6.

cmd/root.go

@@ -79,6 +79,7 @@ func Execute() error {
 	rootCmd.AddCommand(migrateCmd())
 	rootCmd.AddCommand(pullCmd())
 	rootCmd.AddCommand(latestCmd())
+	rootCmd.AddCommand(sqlCmd())
 
 	return rootCmd.Execute()
 }

cmd/sql.go

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/xataio/pgroll/pkg/sql2pgroll"
+)
+
+func sqlCmd() *cobra.Command {
+	sqlCmd := &cobra.Command{
+		Use:    "sql <sql statement>",
+		Short:  "Convert SQL statements to pgroll operations",
+		Args:   cobra.ExactArgs(1),
+		Hidden: true,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			sql := args[0]
+
+			ops, err := sql2pgroll.Convert(sql)
+			if err != nil {
+				return fmt.Errorf("failed to convert SQL statement: %w", err)
+			}
+
+			enc := json.NewEncoder(os.Stdout)
+			enc.SetIndent("", "  ")
+			if err := enc.Encode(ops); err != nil {
+				return fmt.Errorf("failed to encode operations: %w", err)
+			}
+
+			return nil
+		},
+	}
+
+	return sqlCmd
+}