enable atlas migrations

backend/app/api/main.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"time"
 
+	"entgo.io/ent/dialect/sql/schema"
 	"github.com/hay-kot/homebox/backend/app/api/docs"
 	"github.com/hay-kot/homebox/backend/ent"
 	"github.com/hay-kot/homebox/backend/internal/config"
@@ -72,7 +73,7 @@ func run(cfg *config.Config) error {
 	defer func(c *ent.Client) {
 		_ = c.Close()
 	}(c)
-	if err := c.Schema.Create(context.Background()); err != nil {
+	if err := c.Schema.Create(context.Background(), schema.WithAtlas(true)); err != nil {
 		log.Fatal().
 			Err(err).
 			Str("driver", "sqlite").

backend/ent/generate.go

@@ -1,3 +1,3 @@
 package ent
 
-//go:generate go run -mod=mod entgo.io/ent/cmd/ent generate ./schema
+//go:generate go run -mod=mod entgo.io/ent/cmd/ent generate --feature sql/versioned-migration ./schema

backend/ent/migrate/migrate.go

@@ -54,6 +54,38 @@ func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...sche
 	return migrate.Create(ctx, tables...)
 }
 
+// Diff compares the state read from a database connection or migration directory with
+// the state defined by the Ent schema. Changes will be written to new migration files.
+func Diff(ctx context.Context, url string, opts ...schema.MigrateOption) error {
+	return NamedDiff(ctx, url, "changes", opts...)
+}
+
+// NamedDiff compares the state read from a database connection or migration directory with
+// the state defined by the Ent schema. Changes will be written to new named migration files.
+func NamedDiff(ctx context.Context, url, name string, opts ...schema.MigrateOption) error {
+	return schema.Diff(ctx, url, name, Tables, opts...)
+}
+
+// Diff creates a migration file containing the statements to resolve the diff
+// between the Ent schema and the connected database.
+func (s *Schema) Diff(ctx context.Context, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.Diff(ctx, Tables...)
+}
+
+// NamedDiff creates a named migration file containing the statements to resolve the diff
+// between the Ent schema and the connected database.
+func (s *Schema) NamedDiff(ctx context.Context, name string, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.NamedDiff(ctx, name, Tables...)
+}
+
 // WriteTo writes the schema changes to w instead of running them against the database.
 //
 //	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {