plan: default cue module to .

Fixes #699

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

cmd/dagger/cmd/new.go

@@ -37,26 +37,27 @@ var newCmd = &cobra.Command{
 		name := args[0]
 
 		module := viper.GetString("module")
-		if module != "" {
-			p, err := filepath.Abs(module)
-			if err != nil {
-				lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
-			}
-
-			if !strings.HasPrefix(p, workspace.Path) {
-				lg.Fatal().Err(err).Str("path", module).Msg("module is outside the workspace")
-			}
-			p, err = filepath.Rel(workspace.Path, p)
-			if err != nil {
-				lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
-			}
-			if !strings.HasPrefix(p, ".") {
-				p = "./" + p
-			}
-			module = p
+		if module == "" {
+			lg.Fatal().Msg("missing --module")
+		}
+		p, err := filepath.Abs(module)
+		if err != nil {
+			lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
 		}
 
-		ws, err := workspace.Create(ctx, name, state.CreateOpts{
+		if !strings.HasPrefix(p, workspace.Path) {
+			lg.Fatal().Err(err).Str("path", module).Msg("module is outside the workspace")
+		}
+		p, err = filepath.Rel(workspace.Path, p)
+		if err != nil {
+			lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
+		}
+		if !strings.HasPrefix(p, ".") {
+			p = "./" + p
+		}
+		module = p
+
+		ws, err := workspace.Create(ctx, name, state.Plan{
 			Module:  module,
 			Package: viper.GetString("package"),
 		})
@@ -70,7 +71,7 @@ var newCmd = &cobra.Command{
 }
 
 func init() {
-	newCmd.Flags().StringP("module", "m", "", "references the local path of the cue module to use as a plan, relative to the workspace root")
+	newCmd.Flags().StringP("module", "m", ".", "references the local path of the cue module to use as a plan, relative to the workspace root")
 	newCmd.Flags().StringP("package", "p", "", "references the name of the Cue package within the module to use as a plan. Default: defer to cue loader")
 	if err := viper.BindPFlags(newCmd.Flags()); err != nil {
 		panic(err)

state/workspace.go

@@ -229,17 +229,16 @@ func (w *Workspace) Save(ctx context.Context, st *State) error {
 	return nil
 }
 
-type CreateOpts struct {
-	Module  string
-	Package string
-}
-
-func (w *Workspace) Create(ctx context.Context, name string, opts CreateOpts) (*State, error) {
+func (w *Workspace) Create(ctx context.Context, name string, plan Plan) (*State, error) {
 	envPath, err := filepath.Abs(w.envPath(name))
 	if err != nil {
 		return nil, err
 	}
 
+	if _, err := os.Stat(plan.Module); err != nil {
+		return nil, err
+	}
+
 	// Environment directory
 	if err := os.MkdirAll(envPath, 0755); err != nil {
 		if errors.Is(err, os.ErrExist) {
@@ -250,30 +249,11 @@ func (w *Workspace) Create(ctx context.Context, name string, opts CreateOpts) (*
 
 	manifestPath := path.Join(envPath, manifestFile)
 
-	// Backward compat: if no plan module has been provided,
-	// use `.dagger/env/<name>/plan`
-	module := opts.Module
-	if module == "" {
-		planPath := path.Join(envPath, planDir)
-		if err := os.Mkdir(planPath, 0755); err != nil {
-			return nil, err
-		}
-
-		planRelPath, err := filepath.Rel(w.Path, planPath)
-		if err != nil {
-			return nil, err
-		}
-		module = planRelPath
-	}
-
 	st := &State{
 		Path:      envPath,
 		Workspace: w.Path,
-		Plan: Plan{
-			Module:  module,
-			Package: opts.Package,
-		},
-		Name: name,
+		Plan:      plan,
+		Name:      name,
 	}
 
 	data, err := yaml.Marshal(st)

state/workspace_test.go

@@ -30,7 +30,9 @@ func TestWorkspace(t *testing.T) {
 	require.Equal(t, root, workspace.Path)
 
 	// Create
-	st, err := workspace.Create(ctx, "test", CreateOpts{})
+	st, err := workspace.Create(ctx, "test", Plan{
+		Module: ".",
+	})
 	require.NoError(t, err)
 	require.Equal(t, "test", st.Name)
 
@@ -78,7 +80,9 @@ func TestEncryption(t *testing.T) {
 	workspace, err := Init(ctx, root)
 	require.NoError(t, err)
 
-	_, err = workspace.Create(ctx, "test", CreateOpts{})
+	_, err = workspace.Create(ctx, "test", Plan{
+		Module: ".",
+	})
 	require.NoError(t, err)
 
 	// Set a plaintext input, make sure it is not encrypted

tests/cli.bats

@@ -27,7 +27,7 @@ setup() {
     assert_success
     refute_output
 
-    run "$DAGGER" new "test"
+    run "$DAGGER" new "test" --module "$DAGGER_WORKSPACE"
     assert_success
 
     run "$DAGGER" list