feat: support for db migrations

go/porcelain/deploy.go

@@ -43,8 +43,9 @@ const (
 
 	lfsVersionString = "version https://git-lfs.github.com/spec/v1"
 
-	edgeFunctionsInternalPath = ".netlify/internal/edge-functions/"
-	edgeRedirectsInternalPath = ".netlify/deploy-config/"
+	edgeFunctionsInternalPath  = ".netlify/internal/edge-functions/"
+	edgeRedirectsInternalPath  = ".netlify/deploy-config/"
+	dbMigrationsInternalPath   = ".netlify/internal/db/migrations/"
 )
 
 var installDirs = []string{"node_modules/", "bower_components/"}
@@ -89,6 +90,7 @@ type DeployOptions struct {
 	FunctionsDir      string
 	EdgeFunctionsDir  string
 	EdgeRedirectsDir  string
+	DbMigrationsDir   string
 	BuildDir          string
 	LargeMediaEnabled bool
 	Environment       []*models.DeployEnvironmentVariable
@@ -255,6 +257,16 @@ func (n *Netlify) DoDeploy(ctx context.Context, options *DeployOptions, deploy *
 		}
 	}
 
+	if options.DbMigrationsDir != "" {
+		err = addInternalFilesToDeploy(options.DbMigrationsDir, dbMigrationsInternalPath, files, options.Observer)
+		if err != nil {
+			if options.Observer != nil {
+				options.Observer.OnFailedWalk()
+			}
+			return nil, err
+		}
+	}
+
 	options.files = files
 
 	functions, schedules, functionsConfig, err := bundle(ctx, options.FunctionsDir, options.Observer)

go/porcelain/deploy_test.go

@@ -287,6 +287,54 @@ func TestWalk_PublishedFilesAndEdgeRedirects(t *testing.T) {
 	assert.NotNil(t, files.Files[".netlify/deploy-config/redirects.json"])
 }
 
+func TestWalk_DbMigrations(t *testing.T) {
+	files := newDeployFiles()
+
+	netlifyDir, err := ioutil.TempDir("", ".netlify")
+	require.Nil(t, err)
+	defer os.RemoveAll(netlifyDir)
+
+	dbMigrationsDir, err := ioutil.TempDir(netlifyDir, "db-migrations-dist")
+	require.Nil(t, err)
+	defer os.RemoveAll(dbMigrationsDir)
+
+	migrationDir := filepath.Join(dbMigrationsDir, "1700000000_create-users")
+	err = os.Mkdir(migrationDir, os.ModePerm)
+	require.Nil(t, err)
+	err = ioutil.WriteFile(filepath.Join(migrationDir, "migration.sql"), []byte("CREATE TABLE users (id INT);"), 0644)
+	require.Nil(t, err)
+
+	err = addInternalFilesToDeploy(dbMigrationsDir, dbMigrationsInternalPath, files, mockObserver{})
+	require.Nil(t, err)
+
+	assert.NotNil(t, files.Files[".netlify/internal/db/migrations/1700000000_create-users/migration.sql"])
+}
+
+func TestWalk_PublishedFilesAndDbMigrations(t *testing.T) {
+	files := setupPublishedAssets(t)
+
+	netlifyDir, err := ioutil.TempDir("", ".netlify")
+	require.Nil(t, err)
+	defer os.RemoveAll(netlifyDir)
+
+	dbMigrationsDir, err := ioutil.TempDir(netlifyDir, "db-migrations-dist")
+	require.Nil(t, err)
+	defer os.RemoveAll(dbMigrationsDir)
+
+	migrationDir := filepath.Join(dbMigrationsDir, "1700000000_create-users")
+	err = os.Mkdir(migrationDir, os.ModePerm)
+	require.Nil(t, err)
+	err = ioutil.WriteFile(filepath.Join(migrationDir, "migration.sql"), []byte("CREATE TABLE users (id INT);"), 0644)
+	require.Nil(t, err)
+
+	err = addInternalFilesToDeploy(dbMigrationsDir, dbMigrationsInternalPath, files, mockObserver{})
+	require.Nil(t, err)
+
+	assert.NotNil(t, files.Files["assets/styles.css"])
+	assert.NotNil(t, files.Files["index.html"])
+	assert.NotNil(t, files.Files[".netlify/internal/db/migrations/1700000000_create-users/migration.sql"])
+}
+
 func setupPublishedAssets(t *testing.T) *deployFiles {
 	publishDir, err := ioutil.TempDir("", "publish")
 	require.Nil(t, err)